{"id":2748,"date":"2026-06-24T08:31:37","date_gmt":"2026-06-24T08:31:37","guid":{"rendered":"https:\/\/govelocks.com\/?p=2748"},"modified":"2026-06-24T08:36:16","modified_gmt":"2026-06-24T08:36:16","slug":"poe-access-control","status":"publish","type":"post","link":"https:\/\/govelocks.com\/vi\/poe-access-control\/","title":{"rendered":"Tri\u1ec3n khai Ki\u1ec3m so\u00e1t Truy c\u1eadp PoE: M\u00e3, Ti\u00eau chu\u1ea9n &amp; Ph\u1ea7n c\u1ee9ng"},"content":{"rendered":"<p>Chi ph\u00ed \u1ea9n l\u1edbn nh\u1ea5t trong ki\u1ec3m so\u00e1t truy c\u1eadp truy\u1ec1n th\u1ed1ng kh\u00f4ng ph\u1ea3i l\u00e0 ph\u1ea7n c\u1ee9ng \u2014 m\u00e0 l\u00e0 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n. Ch\u00fang t\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c d\u1ef1 \u00e1n m\u00e0 vi\u1ec7c ch\u1ea1y ngu\u1ed3n AC \u0111\u1ebfn t\u1eebng c\u1eeda \u0111\u00e3 l\u00e0m t\u0103ng 40% ng\u00e2n s\u00e1ch d\u1ef1 \u00e1n. <strong>Ki\u1ec3m so\u00e1t truy c\u1eadp PoE<\/strong> thay \u0111\u1ed5i ph\u01b0\u01a1ng tr\u00ecnh \u0111\u00f3 b\u1eb1ng c\u00e1ch h\u1ee3p nh\u1ea5t ngu\u1ed3n \u0111i\u1ec7n v\u00e0 d\u1eef li\u1ec7u v\u00e0o m\u1ed9t c\u00e1p m\u1ea1ng duy nh\u1ea5t.<\/p>\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua doanh nghi\u1ec7p, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u00edt gi\u1edd l\u00e0m vi\u1ec7c c\u1ee7a th\u1ee3 \u0111i\u1ec7n c\u00f3 gi\u1ea5y ph\u00e9p h\u01a1n, l\u1eadp k\u1ebf ho\u1ea1ch c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 sao l\u01b0u ngu\u1ed3n \u0111i\u1ec7n t\u1eadp trung th\u00f4ng qua ph\u00f2ng IT. C\u00e2u h\u1ecfi mua s\u1eafm th\u1ef1c s\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 li\u1ec7u PoE c\u00f3 ho\u1ea1t \u0111\u1ed9ng hay kh\u00f4ng, m\u00e0 l\u00e0 b\u1ea1n c\u1ea7n ti\u00eau chu\u1ea9n n\u00e0o v\u00e0 c\u00e1ch thi\u1ebft k\u1ebf xung quanh c\u00e1c r\u00e0ng bu\u1ed9c c\u1ee7a n\u00f3 tr\u01b0\u1edbc khi kh\u00f3a c\u1ee7a b\u1ea1n kh\u00f4ng v\u01b0\u1ee3t qua ki\u1ec3m tra ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y.<\/p>\n<h2>Hi\u1ec3u v\u1ec1 Ki\u1ec3m so\u00e1t Truy c\u1eadp PoE: C\u00e1ch n\u00f3 k\u1ebft n\u1ed1i IT v\u00e0 An ninh<\/h2>\n<p><strong>Quy t\u1eafc quy\u1ebft \u0111\u1ecbnh:<\/strong> Ki\u1ec3m so\u00e1t truy c\u1eadp PoE s\u1eed d\u1ee5ng m\u1ed9t c\u00e1p Category (Cat5e\/Cat6) duy nh\u1ea5t \u0111\u1ec3 cung c\u1ea5p c\u1ea3 ngu\u1ed3n DC \u0111i\u1ec7n \u00e1p th\u1ea5p v\u00e0 d\u1eef li\u1ec7u m\u1ea1ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1eeda bi\u00ean, lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 \u1ed5 c\u1eafm AC \u0111i\u1ec7n \u00e1p cao chuy\u00ean d\u1ee5ng t\u1ea1i m\u1ed7i l\u1ed1i v\u00e0o. \u0110i\u1ec1u n\u00e0y chuy\u1ec3n \u0111\u1ed5i an ninh v\u1eadt l\u00fd t\u1eeb g\u00e1nh n\u1eb7ng \u0111i\u1ec7n \u0111\u1ed9c l\u1eadp th\u00e0nh m\u1ed9t d\u1ecbch v\u1ee5 IT \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd.<\/p>\n<h3>B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n t\u1eadp trung so v\u1edbi C\u1ea5u tr\u00fac li\u00ean k\u1ebft Ki\u1ec3m so\u00e1t Truy c\u1eadp PoE bi\u00ean<\/h3>\n<p>Trong ki\u1ebfn tr\u00fac t\u1eadp trung th\u00f4ng th\u01b0\u1eddng, nhi\u1ec1u c\u1eeda ch\u1ea1y d\u00e2y c\u00e1p n\u1eb7ng v\u1ec1 nh\u00e0 \u0111\u1ebfn m\u1ed9t <a href=\"\/vi\/access-control-panels\/\">b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ki\u1ec3m so\u00e1t truy c\u1eadp<\/a>. b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n duy nh\u1ea5t. B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u00f3 c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n chuy\u00ean d\u1ee5ng, pin d\u1ef1 ph\u00f2ng v\u00e0 th\u01b0\u1eddng l\u00e0 m\u1ed9t v\u1ecf ri\u00eang. Ng\u01b0\u1ee3c l\u1ea1i, c\u1ea5u tr\u00fac li\u00ean k\u1ebft PoE d\u1ef1a tr\u00ean bi\u00ean \u0111\u1eb7t m\u1ed9t <strong>b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1eeda bi\u00ean<\/strong> t\u1ea1i m\u1ed7i c\u1eeda, \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n v\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng b\u1eb1ng m\u1ed9t \u0111\u01b0\u1eddng c\u00e1p Cat6 t\u1eeb m\u1ed9t <strong>b\u1ed9 chuy\u1ec3n m\u1ea1ch m\u1ea1ng<\/strong>. PoE. Ch\u1ec9 ri\u00eang s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u1eadt \u0111\u1ed9 c\u00e1p \u0111\u00e3 c\u00f3 th\u1ec3 gi\u1ea3m m\u1ed9t n\u1eeda c\u00f4ng s\u1ee9c k\u00e9o d\u00e2y cho m\u1ed9t c\u01a1 s\u1edf quy m\u00f4 trung b\u00ecnh. N\u00f3 c\u0169ng gi\u1ea3m r\u1ee7i ro \u0111i\u1ec3m l\u1ed7i duy nh\u1ea5t: n\u1ebfu b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n t\u1eadp trung b\u1ecb l\u1ed7i, t\u1ea5t c\u1ea3 c\u00e1c c\u1eeda \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i s\u1ebd ngo\u1ea1i tuy\u1ebfn; l\u1ed7i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n bi\u00ean ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ed9t c\u1eeda.<\/p>\n<p>T\u1eeb g\u00f3c \u0111\u1ed9 IT, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PoE bi\u00ean n\u1eb1m tr\u00ean m\u1ea1ng c\u00f4ng ty nh\u01b0 c\u00e1c \u0111i\u1ec3m cu\u1ed1i \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd. T\u00edch h\u1ee3p an ninh ch\u1ec9 c\u1ea7n ch\u1ea1y Ethernet \u0111i\u1ec7n \u00e1p th\u1ea5p, kh\u00f4ng c\u1ea7n \u1ed1ng d\u1eabn, \u0111\u1ebfn m\u1ed7i c\u1eeda. \u0110\u1ed1i v\u1edbi c\u00e1c c\u01a1 s\u1edf tr\u1ea3i r\u1ed9ng tr\u00ean nhi\u1ec1u t\u1ea7ng ho\u1eb7c t\u00f2a nh\u00e0, c\u1ea5u tr\u00fac li\u00ean k\u1ebft n\u00e0y \u0111\u01a1n gi\u1ea3n h\u00f3a \u0111\u00e1ng k\u1ec3 vi\u1ec7c m\u1edf r\u1ed9ng \u2014 b\u1ea1n c\u00e0i \u0111\u1eb7t m\u1ed9t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n bi\u00ean m\u1edbi cho m\u1ed7i l\u1ed1i v\u00e0o b\u1ed5 sung v\u00e0 k\u1ebft n\u1ed1i n\u00f3 v\u00e0o b\u1ed9 chuy\u1ec3n m\u1ea1ch PoE g\u1ea7n nh\u1ea5t.<\/p>\n<h3>C\u01a1 ch\u1ebf Truy\u1ec1n ngu\u1ed3n v\u00e0 D\u1eef li\u1ec7u qua Ethernet<\/h3>\n<p>\u1ede c\u1ea5p \u0111\u1ed9 ph\u1ea7n c\u1ee9ng, m\u1ed9t b\u1ed9 chuy\u1ec3n m\u1ea1ch m\u1ea1ng ho\u1eb7c b\u1ed9 phun trung gian h\u1ed7 tr\u1ee3 PoE g\u1eedi ngu\u1ed3n DC qua c\u00e1c c\u1eb7p d\u00e2y kh\u00f4ng s\u1eed d\u1ee5ng trong c\u00e1p Ethernet trong khi d\u1eef li\u1ec7u di chuy\u1ec3n \u0111\u1ed3ng th\u1eddi. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n bi\u00ean t\u1ea1i c\u1eeda t\u00e1ch ngu\u1ed3n v\u00e0 d\u1eef li\u1ec7u, sau \u0111\u00f3 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n \u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n h\u00f3a cho \u0111\u1ea7u \u0111\u1ecdc th\u1ebb, c\u1ea3m bi\u1ebfn y\u00eau c\u1ea7u tho\u00e1t v\u00e0 thi\u1ebft b\u1ecb kh\u00f3a. \u0110\u00e2y l\u00e0 n\u01a1i <a href=\"\/vi\/edge-controller-architecture\/\">ki\u1ebfn tr\u00fac b\u1ed9 \u0111i\u1ec1u khi\u1ec3n bi\u00ean<\/a> \u0111\u00e1nh gi\u00e1 c\u1ee7a ch\u00fang t\u00f4i tr\u1edf n\u00ean quan tr\u1ecdng: b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ph\u1ea3i qu\u1ea3n l\u00fd vi\u1ec7c c\u1eaft ngu\u1ed3n, b\u1ed9 nh\u1edb \u0111\u1ec7m ngo\u1ea1i tuy\u1ebfn v\u00e0 logic I\/O c\u1ee5c b\u1ed9. Trong tri\u1ec3n khai PoE, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n bi\u00ean l\u00e0 trung t\u00e2m tr\u00ed tu\u1ec7 cho c\u1eeda \u0111\u00f3; m\u1ed9t \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng trong nhi\u1ec1u gi\u1edd b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng quy\u1ec1n truy c\u1eadp \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ngay c\u1ea3 khi li\u00ean k\u1ebft m\u1ea1ng th\u01b0\u1ee3ng ngu\u1ed3n b\u1ecb ng\u1eaft.<\/p>\n<hr \/>\n<h2>Ti\u00eau chu\u1ea9n K\u1ef9 thu\u1eadt: \u0110\u00e1nh gi\u00e1 IEEE 802.3af, 802.3at v\u00e0 802.3bt<\/h2>\n<p><strong>K\u1ebft lu\u1eadn mua s\u1eafm:<\/strong> Vi\u1ec7c ch\u1ecdn ti\u00eau chu\u1ea9n PoE ph\u00f9 h\u1ee3p ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ed5ng c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1eeda, \u0111\u1ea7u \u0111\u1ecdc th\u1ebb v\u00e0 ph\u1ea7n c\u1ee9ng kh\u00f3a \u0111i\u1ec7n, v\u1edbi 802.3at (PoE+) l\u00e0 ti\u00eau chu\u1ea9n doanh nghi\u1ec7p c\u01a1 b\u1ea3n cho h\u1ea7u h\u1ebft c\u00e1c c\u1eeda c\u00f3 kh\u00f3a \u0111i\u1ec7n ho\u1eb7c maglock.<\/p>\n<h3>IEEE 802.3af (PoE) so v\u1edbi IEEE 802.3at (PoE+)<\/h3>\n<p>802.3af cung c\u1ea5p t\u1ed1i \u0111a 15.4 watt t\u1ea1i c\u1ed5ng chuy\u1ec3n m\u1ea1ch, nh\u01b0ng sau khi tr\u1eeb hao t\u1ed5n cable, thi\u1ebft b\u1ecb th\u01b0\u1eddng ch\u1ec9 nh\u1eadn \u0111\u01b0\u1ee3c kh\u00f4ng qu\u00e1 12.95 watt. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ee7 cho m\u1ed9t \u0111\u1ea7u \u0111\u1ecdc ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng v\u00e0 m\u1ed9t kh\u00f3a \u0111i\u1ec7n nh\u1eb9, nh\u01b0ng hi\u1ebfm khi \u0111\u1ee7 cho m\u1ed9t <strong>kh\u00f3a t\u1eeb (maglock)<\/strong> c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 li\u00ean t\u1ee5c t\u1eeb 6\u201312 watt. Ch\u00fang t\u00f4i khuy\u00ean d\u00f9ng ti\u00eau chu\u1ea9n t\u1ed1i thi\u1ec3u c\u1ee7a doanh nghi\u1ec7p l\u00e0 802.3at (PoE+). N\u00f3 cung c\u1ea5p t\u1edbi 30 watt t\u1ea1i c\u1ed5ng (25.5 watt kh\u1ea3 d\u1ee5ng), t\u1ea1o kh\u00f4ng gian d\u1ef1 ph\u00f2ng cho b\u1ed9 \u0111i\u1ec1u khi\u1ec3n bi\u00ean (3\u20135W), \u0111\u1ea7u \u0111\u1ecdc \u0111a c\u00f4ng ngh\u1ec7 (1.5\u20133W), v\u00e0 kh\u00f3a \u0111i\u1ec7n k\u00e9o 7\u20139W trong qu\u00e1 tr\u00ecnh k\u00edch ho\u1ea1t. C\u00e1c ki\u1ec3m tra ngu\u1ed3n n\u1ed9i b\u1ed9 c\u1ee7a ch\u00fang t\u00f4i li\u00ean t\u1ee5c cho th\u1ea5y 802.3af kh\u00f4ng c\u00f2n d\u01b0 \u0111\u1ecba cho c\u00e1c t\u1ea3i \u0111\u1ec9nh, \u0111\u1eb7c bi\u1ec7t khi c\u00f3 c\u1ea3m bi\u1ebfn PIR ho\u1eb7c c\u00f4ng t\u1eafc v\u1ecb tr\u00ed c\u1eeda \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/p>\n<h3>IEEE 802.3bt (PoE++ \/ PoE c\u00f4ng su\u1ea5t cao)<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u1eeda y\u00eau c\u1ea7u kh\u00f3a t\u1eeb m\u1ea1nh, \u0111\u1ea7u \u0111\u1ecdc m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng, v\u00e0 c\u1ea3m bi\u1ebfn ph\u1ee5 tr\u1ee3, ti\u00eau chu\u1ea9n 802.3bt Lo\u1ea1i 3 (60W) ho\u1eb7c Lo\u1ea1i 4 (90W) tr\u1edf n\u00ean c\u1ea7n thi\u1ebft. Ti\u00eau chu\u1ea9n n\u00e0y h\u1ed7 tr\u1ee3 ph\u1ea1m vi ph\u1ea7n c\u1ee9ng kh\u00f3a r\u1ed9ng h\u01a1n nhi\u1ec1u m\u00e0 kh\u00f4ng c\u1ea7n b\u1ed9 c\u1ea5p ngu\u1ed3n c\u1ee5c b\u1ed9. Ch\u00fang t\u00f4i th\u01b0\u1eddng th\u1ea5y 802.3bt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ti\u1ec1n s\u1ea3nh an ninh cao, c\u1eeda ra v\u00e0o quanh khu v\u1ef1c c\u00f3 kh\u00f3a maglock li\u00ean t\u1ee5c, v\u00e0 c\u00e1c c\u1eeda kh\u00f3 duy tr\u00ec ngu\u1ed3n \u0111i\u1ec7n ri\u00eang bi\u1ec7t. Tuy nhi\u00ean, c\u00e1c switch doanh nghi\u1ec7p h\u1ed7 tr\u1ee3 802.3bt c\u00f3 th\u1ec3 \u0111\u1eaft h\u01a1n \u0111\u00e1ng k\u1ec3, v\u00ec v\u1eady ch\u00fang t\u00f4i khuy\u00ean c\u00e1c nh\u00f3m mua s\u1eafm ch\u1ec9 ki\u1ec3m tra c\u00e1c c\u1eeda th\u1ef1c s\u1ef1 c\u1ea7n ng\u00e2n s\u00e1ch c\u00f4ng su\u1ea5t cao h\u01a1n v\u00e0 thi\u1ebft k\u1ebf ph\u1ea7n c\u00f2n l\u1ea1i d\u1ef1a tr\u00ean PoE+.<\/p>\n<h3>Hi\u1ec3u v\u1ec1 Gi\u1ea3m \u0110i\u1ec7n \u00c1p v\u00e0 Gi\u1edbi H\u1ea1n Kho\u1ea3ng C\u00e1ch<\/h3>\n<p>\u0110i\u1ec7n tr\u1edf trong c\u00e1p \u0111\u1ed3ng g\u00e2y ra s\u1ef1 gi\u1ea3m \u0111i\u1ec7n \u00e1p theo chi\u1ec1u d\u00e0i, l\u00e0m gi\u1ea3m c\u00f4ng su\u1ea5t s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c t\u1ea1i c\u1eeda. Trong m\u1ed9t \u0111o\u1ea1n c\u00e1p d\u00e0i 100 m\u00e9t, c\u1ed5ng PoE+ 30W c\u00f3 th\u1ec3 cung c\u1ea5p ch\u1ec9 t\u1eeb 22\u201325W t\u1ea1i \u0111i\u1ec3m cu\u1ed1i. \u0110\u00f3 l\u00e0 l\u00fd do ch\u00fang t\u00f4i nh\u1ea5n m\u1ea1nh vi\u1ec7c t\u00ednh to\u00e1n <strong>ng\u00e2n s\u00e1ch c\u00f4ng su\u1ea5t<\/strong> t\u1ea1i c\u1eeda, kh\u00f4ng ph\u1ea3i t\u1ea1i switch. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y cung c\u1ea5p c\u00e1c gi\u00e1 tr\u1ecb ti\u00eau th\u1ee5 \u0111i\u1ec3n h\u00ecnh \u0111\u1ec3 gi\u00fap c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng x\u00e1c \u0111\u1ecbnh ti\u00eau chu\u1ea9n PoE ph\u00f9 h\u1ee3p v\u00e0 ph\u00e2n b\u1ed5 c\u1ed5ng switch.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">Th\u00e0nh ph\u1ea7n<\/th>\n<th style=\"text-align: left\">Ti\u00eau th\u1ee5 c\u00f4ng su\u1ea5t \u0111i\u1ec3n h\u00ecnh (Watt)<\/th>\n<th style=\"text-align: left\">Ghi ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n bi\u00ean<\/td>\n<td>3\u20135<\/td>\n<td>Bao g\u1ed3m b\u1ed9 x\u1eed l\u00fd, b\u1ed9 nh\u1edb v\u00e0 I\/O t\u00edch h\u1ee3p tr\u00ean bo m\u1ea1ch<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u \u0111\u1ecdc IP \u0111a c\u00f4ng ngh\u1ec7<\/td>\n<td>1.5\u20133<\/td>\n<td>Cao h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1ea7u \u0111\u1ecdc m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng l\u1edbn<\/td>\n<\/tr>\n<tr>\n<td>\u1ed4 kh\u00f3a \u0111i\u1ec7n<\/td>\n<td>3\u20139<\/td>\n<td>\u0110\u1ec9nh cao trong qu\u00e1 tr\u00ecnh k\u00edch ho\u1ea1t; thay \u0111\u1ed5i theo m\u1eabu v\u00e0 \u0111\u1ed9 dung sai<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f3a t\u1eeb (maglock)<\/td>\n<td>6\u201312<\/td>\n<td>Ti\u00eau th\u1ee5 li\u00ean t\u1ee5c khi ho\u1ea1t \u0111\u1ed9ng; ch\u1ecdn c\u00e1c m\u1eabu ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng khi c\u00f3 th\u1ec3<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn PIR \/ c\u1ea3m bi\u1ebfn v\u1ecb tr\u00ed c\u1eeda<\/td>\n<td>0.5\u20131.5<\/td>\n<td>Nh\u1ecf, nh\u01b0ng c\u1ed9ng l\u1ea1i qua nhi\u1ec1u c\u1ea3m bi\u1ebfn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>L\u01b0u \u00fd: L\u01b0\u1ee3ng ti\u00eau th\u1ee5 th\u1ef1c t\u1ebf thay \u0111\u1ed5i theo nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng. Lu\u00f4n x\u00e1c nh\u1eadn th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1edbi nh\u00e0 cung c\u1ea5p ph\u1ea7n c\u1ee9ng v\u00e0 th\u1eed nghi\u1ec7m d\u01b0\u1edbi t\u1ea3i \u0111\u1ea7y \u0111\u1ee7 tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/em><\/p>\n<hr \/>\n<h2>Nh\u1eefng l\u1ee3i \u00edch c\u1ed1t l\u00f5i c\u1ee7a ki\u1ec3m so\u00e1t truy c\u1eadp qua Power over Ethernet<\/h2>\n<p><strong>L\u00fd do ng\u01b0\u1eddi mua:<\/strong> Ki\u1ec3m so\u00e1t truy c\u1eadp PoE gi\u1ea3m t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu b\u1eb1ng c\u00e1ch gi\u1ea3m chi ph\u00ed lao \u0111\u1ed9ng \u0111i\u1ec7n, cho ph\u00e9p sao l\u01b0u ngu\u1ed3n \u0111i\u1ec7n t\u1eadp trung qua B\u1ed9 ngu\u1ed3n kh\u00f4ng ng\u1eaft qu\u00e3ng (UPS) c\u1ee7a ph\u00f2ng m\u1ea1ng, v\u00e0 cung c\u1ea5p quy\u1ec1n ki\u1ec3m so\u00e1t t\u1eaft\/m\u1edf ngu\u1ed3n t\u1eeb xa cho m\u1ecdi c\u1eeda.<\/p>\n<h3>Gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed h\u1ea1 t\u1ea7ng v\u00e0 c\u00e1p<\/h3>\n<p>Trong m\u1ed9t c\u1eeda \u0111i\u1ec7n truy\u1ec1n th\u1ed1ng, m\u1ed9t th\u1ee3 \u0111i\u1ec7n c\u00f3 gi\u1ea5y ph\u00e9p ph\u1ea3i k\u00e9o d\u00e2y \u0111i\u1ec7n cao th\u1ebf \u0111\u1ebfn ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ecba ph\u01b0\u01a1ng, l\u1eafp \u0111\u1eb7t h\u1ed9p \u0111i\u1ec1u khi\u1ec3n ri\u00eang bi\u1ec7t, v\u00e0 th\u01b0\u1eddng ph\u1ed1i h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y. V\u1edbi PoE, k\u1ef9 thu\u1eadt vi\u00ean \u0111i\u1ec7n \u00e1p th\u1ea5p ch\u1ea1y m\u1ed9t c\u00e1p Lo\u1ea1i Category t\u1eeb ph\u00f2ng m\u1ea1ng g\u1ea7n nh\u1ea5t \u0111\u1ebfn b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh. C\u00e1p n\u00e0y mang c\u1ea3 d\u1eef li\u1ec7u v\u00e0 ngu\u1ed3n \u0111i\u1ec7n, lo\u1ea1i b\u1ecf nhu c\u1ea7u m\u1ea1ch \u0111i\u1ec7n AC cho t\u1eebng c\u1eeda. \u0110\u1ed1i v\u1edbi vi\u1ec7c n\u00e2ng c\u1ea5p to\u00e0n b\u1ed9 khu\u00f4n vi\u00ean 100 c\u1eeda, ti\u1ebft ki\u1ec7m chi ph\u00ed lao \u0111\u1ed9ng \u0111i\u1ec7n c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn h\u00e0ng ch\u1ee5c ngh\u00ecn \u0111\u00f4 la. Th\u00eam v\u00e0o \u0111\u00f3, vi\u1ec7c s\u1eed d\u1ee5ng <a href=\"\/vi\/commercial-access-control-locks\/\">kh\u00f3a ki\u1ec3m so\u00e1t truy c\u1eadp th\u01b0\u01a1ng m\u1ea1i<\/a> thi\u1ebft k\u1ebf cho ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p th\u1ea5p lo\u1ea1i b\u1ecf nhu c\u1ea7u bi\u1ebfn \u00e1p gi\u1ea3m \u0111i\u1ec7n t\u1ea1i m\u1ed7i khung c\u1eeda.<\/p>\n<h3>\u0110\u01a1n gi\u1ea3n h\u00f3a sao l\u01b0u trung t\u00e2m v\u00e0 d\u1ef1 ph\u00f2ng ngu\u1ed3n \u0111i\u1ec7n<\/h3>\n<p>Khi m\u1ed9t t\u00f2a nh\u00e0 m\u1ea5t \u0111i\u1ec7n, m\u1ecdi c\u1eeda trong h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean PoE k\u1ebft n\u1ed1i v\u1edbi switch c\u00f3 <strong>B\u1ed9 ngu\u1ed3n kh\u00f4ng ng\u1eaft qu\u00e3ng (UPS)<\/strong> v\u1eabn ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y ho\u00e0n to\u00e0n tr\u00e1i ng\u01b0\u1ee3c v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u1ed1ng, n\u01a1i m\u1ed7i c\u1eeda \u0111\u1ec1u d\u1ef1a v\u00e0o ngu\u1ed3n d\u1ef1 ph\u00f2ng pin c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 \u0111\u00e3 ho\u1eb7c ch\u01b0a \u0111\u01b0\u1ee3c ki\u1ec3m tra g\u1ea7n \u0111\u00e2y. C\u00e1c ph\u00f2ng IT \u0111\u00e3 duy tr\u00ec dung l\u01b0\u1ee3ng UPS cho m\u00e1y ch\u1ee7 v\u00e0 switch m\u1ea1ng; m\u1edf r\u1ed9ng s\u1ef1 b\u1ea3o v\u1ec7 \u0111\u00f3 cho ph\u1ea7n c\u1ee9ng c\u1eeda l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf t\u1ef1 nhi\u00ean. Ch\u00fang t\u00f4i \u0111\u1ec1 xu\u1ea5t s\u1eed d\u1ee5ng c\u00e1c switch PoE qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c cho ph\u00e9p kh\u1edfi \u0111\u1ed9ng l\u1ea1i t\u1eeb xa c\u00e1c c\u1ed5ng ri\u00eang l\u1ebb, gi\u00fap qu\u1ea3n tr\u1ecb vi\u00ean IT c\u00f3 th\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh b\u1ecb l\u1ed7i m\u00e0 kh\u00f4ng c\u1ea7n g\u1eedi k\u1ef9 thu\u1eadt vi\u00ean.<\/p>\n<h3>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 Qu\u1ea3n l\u00fd T\u1eeb xa<\/h3>\n<p>V\u00ec m\u1ed7i c\u1eeda tr\u1edf th\u00e0nh m\u1ed9t n\u00fat IP \u0111\u1ed9c l\u1eadp, vi\u1ec7c th\u00eam c\u1eeda m\u1edbi ch\u1ec9 l\u00e0 cung c\u1ea5p m\u1ed9t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh PoE m\u1edbi v\u00e0 k\u1ebft n\u1ed1i n\u00f3 v\u1edbi switch. Kh\u00f4ng c\u1ea7n \u0111\u00e1nh gi\u00e1 xem b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m c\u00f3 c\u00f2n c\u1ed5ng \u0111\u1ecdc d\u1ef1 ph\u00f2ng ho\u1eb7c \u0111\u1ea7u ra r\u01a1 le hay kh\u00f4ng. T\u00ednh m\u00f4-\u0111un n\u00e0y \u0111\u01a1n gi\u1ea3n h\u00f3a c\u1ea3 <a href=\"\/vi\/enterprise-access-control\/\">ki\u1ec3m so\u00e1t truy c\u1eadp doanh nghi\u1ec7p<\/a> vi\u1ec7c m\u1edf r\u1ed9ng v\u00e0 tri\u1ec3n khai nhi\u1ec1u t\u00f2a nh\u00e0. C\u1eadp nh\u1eadt firmware t\u1eeb xa, ch\u1ea9n \u0111o\u00e1n theo th\u1eddi gian th\u1ef1c v\u00e0 kh\u1ea3 n\u0103ng xem tr\u1ea1ng th\u00e1i c\u1eeda t\u1ee9c th\u00ec \u0111\u1ec1u tr\u1edf th\u00e0nh ph\u1ea7n c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n l\u00fd m\u1ea1ng IT, gi\u1ea3m th\u1eddi gian c\u00e1c \u0111\u1ed9i an ninh d\u00e0nh cho x\u1eed l\u00fd s\u1ef1 c\u1ed1.<\/p>\n<hr \/>\n<h2>Nh\u1eefng h\u1ea1n ch\u1ebf v\u00e0 th\u00e1ch th\u1ee9c quan tr\u1ecdng c\u1ee7a ki\u1ec3m so\u00e1t truy c\u1eadp PoE<\/h2>\n<p><strong>K\u1ebft lu\u1eadn k\u1ef9 thu\u1eadt:<\/strong> C\u00e1c gi\u1edbi h\u1ea1n k\u1ef9 thu\u1eadt ch\u00ednh c\u1ee7a ki\u1ec3m so\u00e1t truy c\u1eadp PoE l\u00e0 gi\u1edbi h\u1ea1n kho\u1ea3ng c\u00e1ch nghi\u00eam ng\u1eb7t 100 m\u00e9t (328 feet) v\u00e0 ng\u00e2n s\u00e1ch c\u00f4ng su\u1ea5t h\u1ea1n ch\u1ebf, c\u00f3 th\u1ec3 ng\u0103n c\u1ea3n vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c kh\u00f3a t\u1eeb tr\u01b0\u1eddng ti\u00eau th\u1ee5 nhi\u1ec1u \u0111i\u1ec7n ho\u1eb7c nhi\u1ec1u thi\u1ebft b\u1ecb ph\u1ee5 tr\u1ee3 kh\u00e1c m\u00e0 kh\u00f4ng c\u00f3 k\u1ebf ho\u1ea1ch c\u1ea9n th\u1eadn.<\/p>\n<h3>H\u1ea1n ch\u1ebf quan tr\u1ecdng c\u1ee7a gi\u1edbi h\u1ea1n 100 m\u00e9t<\/h3>\n<p>Ti\u00eau chu\u1ea9n Ethernet quy \u0111\u1ecbnh gi\u1edbi h\u1ea1n 100 m\u00e9t cho c\u00e1c \u0111o\u1ea1n c\u00e1p \u0111\u1ed3ng t\u1eeb switch \u0111\u1ebfn thi\u1ebft b\u1ecb. \u0110\u1ed1i v\u1edbi c\u00e1c kho l\u1edbn, khu\u00f4n vi\u00ean r\u1ed9ng ho\u1eb7c c\u00e1c t\u00f2a nh\u00e0 l\u1ecbch s\u1eed n\u01a1i c\u00e1c ph\u00f2ng IT c\u00e1ch xa c\u00e1c \u0111i\u1ec3m ra v\u00e0o, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0 r\u00e0o c\u1ea3n l\u1edbn. Ch\u00fang t\u00f4i \u0111\u00e3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y trong c\u00e1c d\u1ef1 \u00e1n n\u00e2ng c\u1ea5p b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u1ed9 m\u1edf r\u1ed9ng PoE qua d\u00e2y 2 d\u00e2y ho\u1eb7c c\u00e1p \u0111\u1ed3ng tr\u1ee5c, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i media qua c\u00e1p quang, ho\u1eb7c \u0111\u1eb7t c\u00e1c switch nh\u1ecf c\u1ee9ng c\u00e1p g\u1ea7n c\u00e1c c\u1ee5m c\u1eeda. Tuy nhi\u00ean, m\u1ed7i gi\u1ea3i ph\u00e1p n\u00e0y \u0111\u1ec1u th\u00eam ph\u1ea7n c\u1ee9ng v\u00e0 c\u00e1c \u0111i\u1ec3m c\u00f3 th\u1ec3 x\u1ea3y ra l\u1ed7i. Tr\u01b0\u1edbc khi cam k\u1ebft s\u1eed d\u1ee5ng PoE, c\u00e1c \u0111\u1ed9i k\u1ef9 thu\u1eadt ph\u1ea3i l\u1eadp b\u1ea3n \u0111\u1ed3 t\u1ea5t c\u1ea3 c\u00e1c v\u1ecb tr\u00ed c\u1eeda v\u00e0 x\u00e1c nh\u1eadn r\u1eb1ng c\u00f3 \u0111\u01b0\u1eddng c\u00e1p ph\u00f9 h\u1ee3p trong gi\u1edbi h\u1ea1n kho\u1ea3ng c\u00e1ch.<\/p>\n<h3>Thi\u1ebfu h\u1ee5t ng\u00e2n s\u00e1ch c\u00f4ng su\u1ea5t cho ph\u1ea7n c\u1ee9ng kh\u00f3a \u0111i\u1ec7n t\u1eed<\/h3>\n<p>M\u1ed9t kh\u00f3a t\u1eeb tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 d\u1ec5 d\u00e0ng 10\u201312 watt, \u0111\u1ea9y li\u00ean k\u1ebft PoE+ v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n \u0111\u00e1ng tin c\u1eady khi k\u1ebft h\u1ee3p v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 \u0111\u1ea7u \u0111\u1ecdc. K\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 l\u00e0 m\u1ea5t kh\u00f3a kh\u00f4ng \u0111\u1ec1u ho\u1eb7c kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n d\u01b0\u1edbi t\u1ea3i. C\u00e1c b\u00e1o c\u00e1o th\u1ef1c t\u1ebf cho th\u1ea5y nhi\u1ec1u nh\u00e0 t\u00edch h\u1ee3p \u0111\u00e1nh gi\u00e1 th\u1ea5p d\u00f2ng kh\u1edfi \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh k\u00edch ho\u1ea1t kh\u00f3a. C\u00e1ch an to\u00e0n nh\u1ea5t l\u00e0 c\u1ed9ng t\u1ed5ng c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 t\u1ed1i \u0111a c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n, c\u1ed9ng th\u00eam b\u1ed9 \u0111\u1ec7m 20%, r\u1ed3i x\u00e1c nh\u1eadn r\u1eb1ng ng\u00e2n s\u00e1ch c\u00f4ng su\u1ea5t tr\u00ean m\u1ed7i c\u1ed5ng c\u1ee7a switch c\u00f3 th\u1ec3 duy tr\u00ec m\u1ee9c \u0111\u00f3 cho t\u1ea5t c\u1ea3 c\u00e1c c\u1eeda k\u1ebft n\u1ed1i c\u00f9ng l\u00fac. \u0110\u00e2y l\u00e0 n\u01a1i m\u00e0 <a href=\"\/vi\/smart-door-lock-for-business\/\">kh\u00f3a c\u1eeda th\u00f4ng minh cho doanh nghi\u1ec7p<\/a> thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho hi\u1ec7u qu\u1ea3 PoE tr\u1edf th\u00e0nh \u01b0u ti\u00ean mua s\u1eafm.<\/p>\n<h3>C\u00e1c \u0111i\u1ec3m y\u1ebfu v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ed7i t\u1ea1i c\u1ea5p switch<\/h3>\n<p>N\u1ebfu m\u1ed9t switch PoE g\u1eb7p s\u1ef1 c\u1ed1 ho\u1eb7c b\u1ecb t\u1eaft \u0111\u1ec3 b\u1ea3o tr\u00ec, m\u1ecdi c\u1eeda k\u1ebft n\u1ed1i v\u1edbi switch \u0111\u00f3 \u0111\u1ec1u m\u1ea5t c\u1ea3 li\u00ean l\u1ea1c m\u1ea1ng l\u1eabn ngu\u1ed3n \u0111i\u1ec7n. Trong h\u1ec7 th\u1ed1ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m, m\u1ed9t b\u1ea3ng b\u1ecb l\u1ed7i c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1eeda ch\u00ednh, nh\u01b0ng trong ki\u1ebfn tr\u00fac c\u1ea1nh, ph\u1ea1m vi l\u1ed7i ch\u1ec9 gi\u1edbi h\u1ea1n trong nh\u00f3m c\u1ed5ng c\u1ee7a switch. C\u00e1c chi\u1ebfn l\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u bao g\u1ed3m ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng cho switch, x\u1ebfp ch\u1ed3ng nhi\u1ec1u switch v\u1edbi li\u00ean k\u1ebft t\u1ed5ng h\u1ee3p, v\u00e0 c\u1ea5u h\u00ecnh <a href=\"\/vi\/access-control-panels\/\">b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ki\u1ec3m so\u00e1t truy c\u1eadp PoE<\/a> ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u1edbi b\u1ed9 d\u1ef1 ph\u00f2ng si\u00eau t\u1ee5 \u0111i\u1ec7n c\u1ee5c b\u1ed9 gi\u00fap duy tr\u00ec ngu\u1ed3n \u0111i\u1ec7n cho kh\u00f3a trong th\u1eddi gian ng\u1eafn khi chuy\u1ec3n \u0111\u1ed5i switch. Ch\u00fang t\u00f4i c\u0169ng \u0111\u1ec1 xu\u1ea5t duy tr\u00ec m\u1ed9t ch\u00eca kh\u00f3a kh\u1ea9n c\u1ea5p t\u1ea1i m\u1ed7i c\u1eeda, b\u1ea5t k\u1ec3 ki\u1ebfn tr\u00fac ki\u1ec3m so\u00e1t truy c\u1eadp n\u00e0o.<\/p>\n<hr \/>\n<h2>An to\u00e0n v\u1ec1 m\u1eb7t ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y, t\u00edch h\u1ee3p m\u00e3 quy \u0111\u1ecbnh, v\u00e0 tu\u00e2n th\u1ee7 ph\u00e1p lu\u1eadt<\/h2>\n<p><strong>\u01afu ti\u00ean tu\u00e2n th\u1ee7:<\/strong> Tu\u00e2n th\u1ee7 NFPA 101 (M\u00e3 An to\u00e0n Ph\u00f2ng ch\u00e1y Ch\u1eefa ch\u00e1y) v\u00e0 c\u00e1c quy \u0111\u1ecbnh ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y \u0111\u1ecba ph\u01b0\u01a1ng y\u00eau c\u1ea7u m\u1ed9t c\u01a1 ch\u1ebf \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng c\u1eaft ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c kh\u00f3a an to\u00e0n khi x\u1ea3y ra h\u1ecfa ho\u1ea1n, b\u1ea5t k\u1ec3 tr\u1ea1ng th\u00e1i m\u1ea1ng ho\u1eb7c ph\u1ea7n m\u1ec1m. \u0110i\u1ec1u n\u00e0y l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ec3 c\u1ea5p ph\u00e9p c\u01b0 tr\u00fa.<\/p>\n<h3>C\u1ea5u h\u00ecnh kh\u00f3a An to\u00e0n Ph\u1ee5c v\u1ee5 v\u00e0 An to\u00e0n B\u1ea3o v\u1ec7<\/h3>\n<p>Kh\u00f3a an to\u00e0n khi m\u1ea5t \u0111i\u1ec7n (v\u00ed d\u1ee5, kh\u00f3a t\u1eeb tr\u01b0\u1eddng) s\u1ebd m\u1edf khi ngu\u1ed3n \u0111i\u1ec7n b\u1ecb c\u1eaft. \u0110\u00e2y l\u00e0 c\u1ea5u h\u00ecnh b\u1eaft bu\u1ed9c theo quy \u0111\u1ecbnh cho c\u00e1c c\u1eeda tho\u00e1t hi\u1ec3m theo l\u1ed9 tr\u00ecnh tho\u00e1t hi\u1ec3m ch\u00e1y. Kh\u00f3a an to\u00e0n khi gi\u1eef ch\u1eb7t (v\u00ed d\u1ee5, ch\u1ed1t \u0111i\u1ec7n) v\u1eabn gi\u1eef kh\u00f3a khi m\u1ea5t \u0111i\u1ec7n, y\u00eau c\u1ea7u s\u1eed d\u1ee5ng ch\u00eca kh\u00f3a c\u01a1 ho\u1eb7c tay quay \u0111\u1ec3 tho\u00e1t hi\u1ec3m. Trong m\u00f4i tr\u01b0\u1eddng PoE, ngu\u1ed3n \u0111i\u1ec7n cho kh\u00f3a t\u1eeb c\u00f3 th\u1ec3 b\u1ecb c\u1eaft b\u1eb1ng c\u00e1ch ng\u1eaft ngu\u1ed3n port PoE ho\u1eb7c c\u1eaft ngu\u1ed3n t\u1ea1i r\u01a1 le inline. Vi\u1ec7c ch\u1ecdn sai lo\u1ea1i kh\u00f3a cho c\u1eeda c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1eeda s\u1ebd khi\u1ebfn c\u00e1c ki\u1ec3m \u0111\u1ecbnh vi\u00ean t\u1eeb ch\u1ed1i c\u1ea5p gi\u1ea5y ch\u1ee9ng nh\u1eadn c\u01b0 tr\u00fa, do \u0111\u00f3 c\u00e1c qu\u1ea3n l\u00fd c\u01a1 s\u1edf ph\u1ea3i x\u00e1c nh\u1eadn y\u00eau c\u1ea7u c\u1ee7a ki\u1ec3m so\u00e1t ph\u00f2ng ch\u00e1y tr\u01b0\u1edbc khi x\u00e1c \u0111\u1ecbnh ph\u1ea7n c\u1ee9ng.<\/p>\n<h3>B\u1ea3ng \u0110i\u1ec1u Khi\u1ec3n B\u00e1o Ch\u00e1y (FACP) T\u00edch H\u1ee3p<\/h3>\n<p>Trong h\u1ec7 th\u1ed1ng c\u00f3 d\u00e2y truy\u1ec1n th\u1ed1ng, r\u01a1 le ti\u1ebfp x\u00fac kh\u00f4 t\u1eeb b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n b\u00e1o ch\u00e1y ng\u1eaft ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n cho kh\u00f3a c\u1eeda. \u0110\u1ed1i v\u1edbi PoE, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u01b0\u01a1ng t\u1ef1 theo ba c\u00e1ch:<\/p>\n<ul>\n<li><strong>T\u00edch h\u1ee3p c\u1ea5p \u0111\u1ed9 c\u00f4ng t\u1eafc:<\/strong> S\u1eed d\u1ee5ng c\u00e1c switch m\u1ea1ng c\u00f3 c\u00e1c \u0111\u1ea7u v\u00e0o FACP ri\u00eang bi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng ng\u1eaft ngu\u1ed3n c\u00e1c c\u1ed5ng PoE \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh khi c\u00f3 b\u00e1o \u0111\u1ed9ng.<\/li>\n<li><strong>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n relay IP c\u1ee5c b\u1ed9:<\/strong> L\u1eafp \u0111\u1eb7t m\u1ed9t b\u1ed9 relay ki\u1ec3m so\u00e1t IP nh\u1ecf g\u1ea7n c\u1eeda \u0111\u1ec3 c\u1eaft ngu\u1ed3n \u0111i\u1ec7n cho kh\u00f3a khi nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u b\u00e1o ch\u00e1y t\u1eeb b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, \u0111\u1ed9c l\u1eadp v\u1edbi c\u00f4ng t\u1eafc.<\/li>\n<li><strong>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh v\u1edbi \u0111\u1ea7u v\u00e0o ph\u1ee5:<\/strong> Ch\u1ec9 \u0111\u1ecbnh <a href=\"\/vi\/edge-controller-architecture\/\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh PoE<\/a> bao g\u1ed3m \u0111\u1ea7u v\u00e0o b\u00e1o ch\u00e1y gi\u00e1m s\u00e1t; khi k\u00edch ho\u1ea1t, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ebfn \u0111\u1ea7u ra kh\u00f3a an to\u00e0n th\u1ea5t b\u1ea1i.<\/li>\n<\/ul>\n<p>M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p c\u00f3 nh\u1eefng t\u00e1c \u0111\u1ed9ng kh\u00e1c nhau v\u1ec1 chi ph\u00ed v\u00e0 \u0111\u1ed9 tin c\u1eady. Ch\u00fang t\u00f4i khuy\u00ean ng\u01b0\u1eddi mua n\u00ean li\u00ean h\u1ec7 s\u1edbm v\u1edbi c\u00e1n b\u1ed9 ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y \u0111\u1ecba ph\u01b0\u01a1ng trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf v\u00e0 x\u00e1c nh\u1eadn ph\u01b0\u01a1ng ph\u00e1p t\u00edch h\u1ee3p n\u00e0o l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o switch m\u1ea1ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng quy chu\u1ea9n.<\/p>\n<h3>\u0110i\u1ec1u h\u01b0\u1edbng c\u00e1c ti\u00eau chu\u1ea9n UL 294 v\u00e0 NFPA 101<\/h3>\n<p><strong>Nh\u1eefng \u0111i\u1ec1u c\u1ea7n x\u00e1c minh:<\/strong> Ng\u01b0\u1eddi mua doanh nghi\u1ec7p ph\u1ea3i x\u00e1c nh\u1eadn r\u1eb1ng c\u1ea3 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh v\u00e0 thi\u1ebft k\u1ebf tri\u1ec3n khai t\u1ed5ng th\u1ec3 \u0111\u1ec1u c\u00f3 ch\u1ee9ng nh\u1eadn UL 294 h\u1ee3p l\u1ec7 (Ti\u00eau chu\u1ea9n cho c\u00e1c thi\u1ebft b\u1ecb h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t truy c\u1eadp). UL 294 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1ea5n c\u00f4ng, \u0111\u1ed9 b\u1ec1n v\u00e0 an ninh d\u00f2ng c\u1ee7a h\u1ec7 th\u1ed1ng. V\u1ec1 NFPA 101, y\u00eau c\u1ea7u ch\u00ednh l\u00e0 t\u1ea5t c\u1ea3 c\u00e1c kh\u00f4ng gian c\u00f3 ng\u01b0\u1eddi \u0111\u1ec1u ph\u1ea3i c\u00f3 m\u1ed9t thao t\u00e1c m\u1edf kh\u00f3a \u0111\u1ec3 tho\u00e1t hi\u1ec3m m\u00e0 kh\u00f4ng c\u1ea7n ki\u1ebfn th\u1ee9c tr\u01b0\u1edbc ho\u1eb7c s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t, ngay c\u1ea3 trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i\u1ec7n. Trong h\u1ec7 th\u1ed1ng PoE, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c c\u1eeda an to\u00e0n th\u1ea5t b\u1ea1i nh\u1eadn ngu\u1ed3n \u0111i\u1ec7n t\u1eeb switch ch\u1ec9 khi relay b\u00e1o ch\u00e1y \u1edf tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng (kh\u00f4ng b\u00e1o ch\u00e1y). Ch\u00fang t\u00f4i khuy\u00ean tham kh\u1ea3o <a href=\"\/vi\/industry-knowledge\/\">ki\u1ebfn th\u1ee9c ng\u00e0nh v\u1ec1 ki\u1ec3m so\u00e1t truy c\u1eadp<\/a> v\u00e0 c\u00e1c s\u1eeda \u0111\u1ed5i \u0111\u1ecba ph\u01b0\u01a1ng tr\u01b0\u1edbc khi ho\u00e0n thi\u1ec7n danh m\u1ee5c v\u1eadt t\u01b0.<\/p>\n<hr \/>\n<h2>L\u1ef1a ch\u1ecdn ph\u1ea7n c\u1ee9ng: \u0110\u1ed3ng b\u1ed9 kh\u00f3a, \u0111\u1ea7u \u0111\u1ecdc v\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh<\/h2>\n<p><strong>\u01afu ti\u00ean k\u1ef9 thu\u1eadt:<\/strong> Tri\u1ec3n khai ki\u1ec3m so\u00e1t truy c\u1eadp PoE th\u00e0nh c\u00f4ng d\u1ef1a tr\u00ean vi\u1ec7c ch\u1ecdn ph\u1ea7n c\u1ee9ng kh\u00f3a c\u00f3 hi\u1ec7u su\u1ea5t cao, ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng, ho\u1ea1t \u0111\u1ed9ng an to\u00e0n trong ph\u1ea1m vi ng\u00e2n s\u00e1ch ngu\u1ed3n PoE\/PoE+ ti\u00eau chu\u1ea9n, k\u1ebft h\u1ee3p v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh h\u1ed7 tr\u1ee3 truy c\u1eadp cache ngo\u1ea1i tuy\u1ebfn.<\/p>\n<h3>Kh\u00f3a v\u00e0 ch\u1ed1t \u0111i\u1ec7n ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c ch\u1ed1t \u0111i\u1ec7n \u0111\u1ec1u gi\u1ed1ng nhau. C\u00e1c m\u1eabu c\u00f3 d\u00f2ng \u0111i\u1ec7n \u0111\u1ed9t ng\u1ed9t cao c\u00f3 th\u1ec3 g\u00e2y qu\u00e1 t\u1ea3i t\u1ea1m th\u1eddi v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a c\u1ed5ng PoE, g\u00e2y gi\u1ea3m \u0111i\u1ec7n ho\u1eb7c ti\u1ebfng k\u00eau l\u1eafc c\u1ee7a kh\u00f3a. Ch\u00fang t\u00f4i t\u00ecm ki\u1ebfm c\u00e1c ch\u1ed1t v\u00e0 kh\u00f3a m\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1eb7c bi\u1ec7t \u0111\u00e1nh gi\u00e1 cho ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p th\u1ea5p, d\u00f2ng \u0111i\u1ec7n th\u1ea5p, l\u00fd t\u01b0\u1edfng d\u01b0\u1edbi 300mA \u1edf 12V ho\u1eb7c 150mA \u1edf 24V. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 ch\u1ecdn c\u00e1c ch\u1ed1t pre-load ho\u1eb7c ph\u00e1t buzzer c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00f4ng su\u1ea5t t\u1ed1i thi\u1ec3u. \u0110\u1ed1i v\u1edbi kh\u00f3a t\u1eeb, ch\u00fang t\u00f4i \u01b0u ti\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f3 c\u00f4ng t\u1eafc v\u1ecb tr\u00ed c\u1eeda t\u00edch h\u1ee3p v\u00e0 d\u00f2ng ti\u00eau th\u1ee5 khi ch\u1edd d\u01b0\u1edbi 350mA. Nhi\u1ec1u m\u1eabu trong s\u1ed1 <a href=\"\/vi\/commercial-access-control-locks\/\">kh\u00f3a ki\u1ec3m so\u00e1t truy c\u1eadp th\u01b0\u01a1ng m\u1ea1i<\/a> ch\u00fang t\u00f4i \u0111\u00e1nh gi\u00e1 hi\u1ec7n nay bao g\u1ed3m c\u00e1c m\u1eabu t\u1ed1i \u01b0u h\u00f3a PoE v\u1edbi m\u1ea1ch hi\u1ec7u qu\u1ea3 t\u00edch h\u1ee3p gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 nhi\u1ec7t l\u01b0\u1ee3ng sinh ra v\u00e0 d\u00f2ng ti\u00eau th\u1ee5 li\u00ean t\u1ee5c.<\/p>\n<h3>\u0110\u1ea7u \u0111\u1ecdc m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng v\u00e0 \u0111a c\u00f4ng ngh\u1ec7 IP<\/h3>\n<p>M\u1ed9t \u0111\u1ea7u \u0111\u1ecdc m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng l\u1edbn h\u1ed7 tr\u1ee3 HID, ch\u1ee9ng ch\u1ec9 di \u0111\u1ed9ng v\u00e0 NFC c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 3\u20134 watt ri\u00eang, \u00edt h\u01a1n ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng. Trong c\u1ea5u h\u00ecnh PoE+, \u0111i\u1ec1u n\u00e0y v\u1eabn c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c n\u1ebfu kh\u00f3a l\u00e0 ch\u1ed1t \u0111i\u1ec7n th\u1ea5p ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng. Nh\u01b0ng \u0111\u1ed1i v\u1edbi c\u1eeda kh\u00f3a t\u1eeb, t\u1ed5 h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 25.5 watt. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, ch\u00fang t\u00f4i s\u1ebd n\u00e2ng c\u1ea5p l\u00ean 802.3bt ho\u1eb7c xem x\u00e9t m\u1ed9t \u0111\u1ea7u \u0111\u1ecdc c\u00f3 th\u1ec3 x\u1eed l\u00fd n\u1eb7ng h\u01a1n \u0111\u1ec3 gi\u1ea3m t\u1ea3i cho b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh. \u0110\u1ea7u \u0111\u1ecdc c\u0169ng n\u00ean h\u1ed7 tr\u1ee3 OSDP \u0111\u1ec3 giao ti\u1ebfp an to\u00e0n qua RS-485 n\u1ebfu b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh kh\u00f4ng th\u1ec3 truy\u1ec1n TCP\/IP tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ea7u \u0111\u1ecdc.<\/p>\n<h3>\u0110\u00e1nh gi\u00e1 c\u00e1c B\u1ed9 \u0111i\u1ec1u khi\u1ec3n PoE Hi\u1ec7u qu\u1ea3 Cao<\/h3>\n<p>M\u1ed9t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh ti\u00eau th\u1ee5 5 watt thay v\u00ec 3 watt c\u00f3 th\u1ec3 c\u00f3 v\u1ebb kh\u00f4ng \u0111\u00e1ng k\u1ec3 \u2014 cho \u0111\u1ebfn khi b\u1ea1n nh\u00e2n l\u00ean v\u1edbi 100 c\u1eeda v\u00e0 xem x\u00e9t gi\u1edbi h\u1ea1n ng\u00e2n s\u00e1ch ngu\u1ed3n c\u1ee7a switch. Ch\u00fang t\u00f4i khuy\u00ean d\u00f9ng c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u00f3 t\u00ednh n\u0103ng qu\u1ea3n l\u00fd ngu\u1ed3n nh\u01b0:<\/p>\n<ul>\n<li>Gi\u1ea3m c\u00f4ng su\u1ea5t \u0111\u1ed9ng \u0111\u1ec3 t\u1ea1m th\u1eddi gi\u1ea3m \u0111\u1ed9 s\u00e1ng \u0111\u00e8n n\u1ec1n c\u1ee7a \u0111\u1ecdc ho\u1eb7c chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a kh\u00f3a trong tr\u01b0\u1eddng h\u1ee3p thi\u1ebfu ngu\u1ed3n<\/li>\n<li>Si\u00eau t\u1ee5 \u0111i\u1ec7n ho\u1eb7c pin c\u1ee5c b\u1ed9 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n trong v\u00e0i ph\u00fat n\u1ebfu switch kh\u1edfi \u0111\u1ed9ng l\u1ea1i<\/li>\n<li>C\u00e1c h\u1ed3 s\u01a1 ngu\u1ed3n c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh qua firmware cho ph\u00e9p gi\u1edbi h\u1ea1n t\u1ed5ng m\u1ee9c ti\u00eau th\u1ee5 cho m\u1ed7i c\u1eeda<\/li>\n<\/ul>\n<p>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u0169ng ph\u1ea3i h\u1ed7 tr\u1ee3 ch\u1ebf \u0111\u1ed9 ngo\u1ea1i tuy\u1ebfn v\u1edbi c\u00e1c quy\u1ebft \u0111\u1ecbnh truy c\u1eadp c\u1ee5c b\u1ed9, v\u00ec m\u1ea5t m\u1ea1ng t\u1ea1m th\u1eddi kh\u00f4ng n\u00ean kh\u00f3a quy\u1ec1n truy c\u1eadp c\u1ee7a nh\u00e2n vi\u00ean. \u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng ty n\u00e2ng c\u1ea5p l\u00ean <a href=\"\/vi\/smart-door-lock-for-business\/\">d\u00e0nh cho m\u00f4i tr\u01b0\u1eddng kinh doanh<\/a>, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ea1 t\u1ea7ng \u0111\u1ecdc IP hi\u1ec7n c\u00f3 v\u00e0 ti\u00eau chu\u1ea9n PoE l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n<hr \/>\n<h2>B\u1ea3n thi\u1ebft k\u1ebf mua s\u1eafm B2B: Ma tr\u1eadn quy\u1ebft \u0111\u1ecbnh ki\u1ec3m so\u00e1t truy c\u1eadp PoE<\/h2>\n<p><strong>Khung ngu\u1ed3n cung \u1ee9ng:<\/strong> Tr\u01b0\u1edbc khi mua h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t truy c\u1eadp PoE, c\u00e1c nh\u00f3m k\u1ef9 thu\u1eadt ph\u1ea3i l\u1eadp b\u1ea3n \u0111\u1ed3 tri\u1ec3n khai to\u00e0n di\u1ec7n so s\u00e1nh c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PoE d\u1ef1a tr\u00ean c\u1ea1nh v\u1edbi ki\u1ebfn tr\u00fac b\u1ea3ng trung t\u00e2m truy\u1ec1n th\u1ed1ng \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh t\u1ed5ng chi ph\u00ed v\u00e0 \u0111\u1ed9 tin c\u1eady ch\u00ednh x\u00e1c.<\/p>\n<h3>Ma tr\u1eadn so s\u00e1nh ki\u1ebfn tr\u00fac tri\u1ec3n khai<\/h3>\n<p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y cung c\u1ea5p so s\u00e1nh c\u00f3 c\u1ea5u tr\u00fac d\u1ef1a tr\u00ean c\u00e1c ch\u1ec9 s\u1ed1 v\u1eadn h\u00e0nh ch\u00ednh y\u1ebfu quan tr\u1ecdng nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c gi\u00e1m \u0111\u1ed1c CNTT v\u00e0 qu\u1ea3n l\u00fd c\u01a1 s\u1edf v\u1eadt ch\u1ea5t.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">Ch\u1ec9 s\u1ed1<\/th>\n<th style=\"text-align: left\">H\u1ec7 th\u1ed1ng b\u1ea3ng trung t\u00e2m<\/th>\n<th style=\"text-align: left\">Ki\u1ec3m so\u00e1t truy c\u1eadp PoE d\u1ef1a tr\u00ean c\u1ea1nh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Chi ph\u00ed lao \u0111\u1ed9ng \u0111i\u1ec7n cho m\u1ed7i c\u1eeda<\/td>\n<td>Cao (th\u1ee3 \u0111i\u1ec7n c\u00f3 gi\u1ea5y ph\u00e9p cho ngu\u1ed3n AC, nhi\u1ec1u \u0111\u01b0\u1eddng d\u00e2y)<\/td>\n<td>Th\u1ea5p (Ethernet \u0111i\u1ec7n \u00e1p th\u1ea5p; m\u1ed9t \u0111\u01b0\u1eddng d\u00e2y duy nh\u1ea5t)<\/td>\n<\/tr>\n<tr>\n<td>M\u1eadt \u0111\u1ed9 c\u00e1p tr\u00ean m\u1ed7i c\u1eeda<\/td>\n<td>Nhi\u1ec1u \u0111\u01b0\u1eddng d\u00e2y ch\u00ednh c\u1ee1 l\u1edbn<\/td>\n<td>M\u1ed9t c\u00e1p Cat5e\/Cat6<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec3m l\u1ed7i duy nh\u1ea5t<\/td>\n<td>L\u1ed7i b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1eeda tr\u00ean b\u1ea3ng \u0111\u00f3<\/td>\n<td>L\u1ed7i chuy\u1ec3n m\u1ea1ch \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c c\u1eeda tr\u00ean b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u00f3; l\u1ed7i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ed9t c\u1eeda<\/td>\n<\/tr>\n<tr>\n<td>D\u1ec5 m\u1edf r\u1ed9ng<\/td>\n<td>Y\u00eau c\u1ea7u c\u00e1c c\u1ed5ng I\/O c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 s\u1eb5n; kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng h\u1ea1n ch\u1ebf<\/td>\n<td>Th\u00eam b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh m\u1edbi v\u00e0 c\u1ed5ng chuy\u1ec3n m\u1ea1ch; m\u00f4-\u0111un h\u00f3a cao<\/td>\n<\/tr>\n<tr>\n<td>T\u00edch h\u1ee3p tu\u00e2n th\u1ee7<\/td>\n<td>Ng\u1eaft relay ch\u00e1y n\u1ed5 v\u1eadt l\u00fd t\u1ea1i ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td>D\u1ef1a v\u00e0o giao di\u1ec7n FACP c\u1ea5p switch ho\u1eb7c relay IP c\u1ee5c b\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>Qu\u1ea3n l\u00fd t\u1eeb xa<\/td>\n<td>Th\u01b0\u1eddng y\u00eau c\u1ea7u module m\u1ea1ng ri\u00eang bi\u1ec7t<\/td>\n<td>IP g\u1ed1c; kh\u1edfi \u0111\u1ed9ng l\u1ea1i t\u1eeb xa, ch\u1ea9n \u0111o\u00e1n, c\u1eadp nh\u1eadt firmware<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>L\u01b0u \u00fd: Chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y thu\u1ed9c v\u00e0o nh\u00e0 s\u1ea3n xu\u1ea5t. Lu\u00f4n x\u00e1c nh\u1eadn c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a switch, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 kh\u00f3a tr\u01b0\u1edbc khi mua cu\u1ed1i c\u00f9ng.<\/em><\/p>\n<h3>Danh s\u00e1ch ki\u1ec3m tra x\u00e1c minh tr\u01b0\u1edbc khi mua cho ngu\u1ed3n cung c\u1ea5p B2B<\/h3>\n<p>Ch\u00fang t\u00f4i khuy\u00ean c\u00e1c nh\u00f3m mua h\u00e0ng ho\u00e0n th\u00e0nh c\u00e1c b\u01b0\u1edbc sau tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh \u0111\u01a1n \u0111\u1eb7t h\u00e0ng:<\/p>\n<ol>\n<li><strong>Ki\u1ec3m tra c\u00e1c switch m\u1ea1ng hi\u1ec7n c\u00f3:<\/strong> X\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ed5ng PoE kh\u1ea3 d\u1ee5ng v\u00e0 ng\u00e2n s\u00e1ch c\u00f4ng su\u1ea5t t\u1ed1i \u0111a tr\u00ean m\u1ed7i c\u1ed5ng v\u00e0 t\u1ed5ng c\u1ed9ng. Ki\u1ec3m tra h\u1ed7 tr\u1ee3 802.3at\/bt.<\/li>\n<li><strong>T\u00ednh to\u00e1n ng\u00e2n s\u00e1ch c\u00f4ng su\u1ea5t cho t\u1eebng c\u1eeda:<\/strong> T\u1ed5ng h\u1ee3p m\u1ee9c t\u1ed1i \u0111a c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, \u0111\u1ea7u \u0111\u1ecdc, kh\u00f3a v\u00e0 b\u1ea5t k\u1ef3 c\u1ea3m bi\u1ebfn n\u00e0o. Th\u00eam kho\u1ea3ng tr\u1ed1ng 20%.<\/li>\n<li><strong>B\u1ea3n \u0111\u1ed3 v\u1ecb tr\u00ed c\u1eeda:<\/strong> \u0110o kho\u1ea3ng c\u00e1ch c\u00e1p t\u1eeb switch PoE g\u1ea7n nh\u1ea5t \u0111\u1ebfn t\u1eebng c\u1eeda. \u0110\u00e1nh d\u1ea5u b\u1ea5t k\u1ef3 &gt;90 m\u00e9t (\u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi d\u00e2y n\u1ed1i v\u00e0 v\u00f2ng l\u1eb7p d\u1ecbch v\u1ee5).<\/li>\n<li><strong>X\u00e1c minh k\u1ebf ho\u1ea1ch t\u00edch h\u1ee3p an to\u00e0n sinh m\u1ea1ng:<\/strong> X\u00e1c nh\u1eadn v\u1edbi ng\u01b0\u1eddi qu\u1ea3n l\u00fd ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y \u0111\u1ecba ph\u01b0\u01a1ng r\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p t\u00edch h\u1ee3p FACP \u0111\u00e3 ch\u1ecdn (c\u00f4ng t\u1eafc ho\u1eb7c r\u01a1 le) \u0111\u00e1p \u1ee9ng quy chu\u1ea9n.<\/li>\n<li><strong>X\u00e1c nh\u1eadn ch\u1ee9ng nh\u1eadn UL 294:<\/strong> Y\u00eau c\u1ea7u danh s\u00e1ch UL 294 cho t\u1eebng m\u1eabu b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 x\u00e1c nh\u1eadn r\u1eb1ng n\u00f3 \u00e1p d\u1ee5ng cho to\u00e0n b\u1ed9 b\u1ed9 c\u1eeda theo c\u1ea5u h\u00ecnh.<\/li>\n<li><strong>Ki\u1ec3m tra t\u01b0 th\u1ebf an ninh m\u1ea1ng:<\/strong> \u0110\u1ea3m b\u1ea3o c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n h\u1ed7 tr\u1ee3 802.1X, giao th\u1ee9c m\u00e3 h\u00f3a, v\u00e0 c\u00f3 th\u1ec3 ph\u00e2n t\u00e1ch h\u1ee3p l\u00fd v\u00e0o VLAN b\u1ea3o m\u1eadt ri\u00eang bi\u1ec7t.<\/li>\n<li><strong>Th\u1eed nghi\u1ec7m pilot m\u1ed9t c\u1eeda:<\/strong> Tri\u1ec3n khai m\u1ed9t c\u1eeda v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c theo k\u1ebf ho\u1ea1ch v\u00e0 ki\u1ec3m tra d\u01b0\u1edbi t\u1ea5t c\u1ea3 c\u00e1c t\u00ecnh hu\u1ed1ng m\u1ea5t m\u1ea1ng, b\u00e1o ch\u00e1y, m\u1ea5t \u0111i\u1ec7n.<\/li>\n<\/ol>\n<hr \/>\n<h2>L\u1ef1a ch\u1ecdn \u0110\u1ed1i t\u00e1c cho Tri\u1ec3n khai ki\u1ec3m so\u00e1t truy c\u1eadp PoE c\u1ee7a b\u1ea1n<\/h2>\n<p>Chuy\u1ec3n \u0111\u1ed5i sang <strong>ki\u1ec3m so\u00e1t truy c\u1eadp IP<\/strong> qua PoE \u0111\u00f2i h\u1ecfi s\u1ef1 ph\u1ed1i h\u1ee3p ch\u1eb7t ch\u1ebd gi\u1eefa nh\u00f3m an ninh v\u1eadt l\u00fd c\u1ee7a b\u1ea1n v\u00e0 b\u1ed9 ph\u1eadn CNTT doanh nghi\u1ec7p c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i th\u1ea5y qu\u00e1 nhi\u1ec1u d\u1ef1 \u00e1n b\u1ecb tr\u00ec ho\u00e3n v\u00ec BOM \u0111\u01b0\u1ee3c l\u1eadp m\u00e0 kh\u00f4ng c\u00f3 \u00fd ki\u1ebfn c\u1ee7a IT v\u1ec1 kh\u1ea3 n\u0103ng c\u1ee7a c\u1ed5ng switch ho\u1eb7c y\u00eau c\u1ea7u an ninh m\u1ea1ng. Tr\u01b0\u1edbc khi li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p, h\u00e3y chu\u1ea9n b\u1ecb c\u00e1c th\u00f4ng tin sau:<\/p>\n<ul>\n<li>S\u1ed1 l\u01b0\u1ee3ng c\u1eeda v\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u khung (g\u1ed7, kim lo\u1ea1i r\u1ed7ng, k\u00ednh c\u1eeda h\u00e0ng) \u2014 \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1ef1a ch\u1ecdn kh\u00f3a v\u00e0 c\u00e1ch l\u1eafp \u0111\u1eb7t v\u1eadt l\u00fd.<\/li>\n<li>T\u1ed3n kho switch m\u1ea1ng hi\u1ec7n t\u1ea1i: c\u00e1c m\u1eabu, c\u1ed5ng PoE c\u00f3 s\u1eb5n, ng\u00e2n s\u00e1ch ngu\u1ed3n \u0111i\u1ec7n hi\u1ec7n c\u00f3, v\u00e0 h\u1ed7 tr\u1ee3 cho <strong>IEEE 802.3at<\/strong> or <strong>IEEE 802.3bt<\/strong>.<\/li>\n<li>T\u00edch h\u1ee3p ph\u1ea7n m\u1ec1m an ninh hi\u1ec7n c\u00f3 (LDAP, Active Directory, n\u1ec1n t\u1ea3ng ch\u1ee9ng th\u1ef1c di \u0111\u1ed9ng) v\u00e0 y\u00eau c\u1ea7u API.<\/li>\n<li>S\u1eeda \u0111\u1ed5i m\u00e3 quy \u0111\u1ecbnh ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 b\u1ea5t k\u1ef3 ph\u1ea3n h\u1ed3i n\u00e0o tr\u01b0\u1edbc \u0111\u00f3 c\u1ee7a nh\u00e2n vi\u00ean ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y v\u1ec1 c\u1eeda tho\u00e1t hi\u1ec3m ki\u1ec3m so\u00e1t truy c\u1eadp.<\/li>\n<\/ul>\n<p>Vi\u1ec7c chu\u1ea9n b\u1ecb n\u00e0y cho ph\u00e9p nh\u00e0 t\u00edch h\u1ee3p ho\u1eb7c nh\u00e0 s\u1ea3n xu\u1ea5t cung c\u1ea5p ng\u00e2n s\u00e1ch \u0111i\u1ec7n ch\u00ednh x\u00e1c, danh s\u00e1ch thi\u1ebft b\u1ecb th\u1ef1c t\u1ebf v\u00e0 l\u1ecbch tr\u00ecnh tri\u1ec3n khai ph\u00f9 h\u1ee3p v\u1edbi ph\u00e2n \u0111o\u1ea1n m\u1ea1ng v\u00e0 tu\u00e2n th\u1ee7 an to\u00e0n sinh m\u1ea1ng. \u0110\u1ed1i v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c kh\u00e1m ph\u00e1 to\u00e0n b\u1ed9 danh m\u1ee5c ph\u1ea7n c\u1ee9ng kh\u00f3a ph\u00f9 h\u1ee3p, xem x\u00e9t <a href=\"\/vi\/solutions\/\">Gi\u1ea3i ph\u00e1p ki\u1ec3m so\u00e1t truy c\u1eadp PoE<\/a> v\u00e0 <a href=\"\/vi\/best-commercial-smart-lock-2026\/\">kh\u00f3a ki\u1ec3m so\u00e1t truy c\u1eadp PoE h\u00e0ng \u0111\u1ea7u<\/a> c\u00f3 th\u1ec3 h\u1ee3p l\u00fd h\u00f3a qu\u00e1 tr\u00ecnh \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt. N\u1ebfu c\u01a1 s\u1edf c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng c\u1eeda k\u00ednh m\u1eb7t ti\u1ec1n, c\u0169ng h\u00e3y \u0111\u00e1nh gi\u00e1 <a href=\"\/vi\/commercial-storefront-door-smart-lock\/\">kh\u00f3a c\u1eeda th\u00f4ng minh cho c\u1eeda m\u1eb7t ti\u1ec1n<\/a> ho\u1ea1t \u0111\u1ed9ng v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PoE c\u1ea1nh v\u00e0 ch\u1ed1t l\u1ef1c th\u1ea5p.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, nh\u00e0 cung c\u1ea5p ph\u00f9 h\u1ee3p s\u1ebd gi\u00fap b\u1ea1n x\u00e1c nh\u1eadn ng\u00e2n s\u00e1ch \u0111i\u1ec7n cho m\u1ed7i c\u1eeda, x\u00e1c nh\u1eadn c\u1ea5u h\u00ecnh switch m\u1ea1ng v\u00e0 h\u1ed7 tr\u1ee3 ki\u1ec3m tra t\u00edch h\u1ee3p FACP. Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n th\u1eed nghi\u1ec7m m\u1ed9t c\u1eeda m\u1eabu tr\u01b0\u1edbc khi tri\u1ec3n khai to\u00e0n b\u1ed9 \u0111\u1ed9i ng\u0169 \u2014 \u0111\u00e2y l\u00e0 c\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 l\u1ed7 h\u1ed5ng n\u00e0o v\u1ec1 t\u00edch h\u1ee3p ho\u1eb7c tu\u00e2n th\u1ee7 m\u00e3.<\/p>\n<hr \/>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>PoE c\u00f3 th\u1ec3 cung c\u1ea5p \u0111i\u1ec7n cho kh\u00f3a t\u1eeb l\u1ef1c m\u1ea1nh kh\u00f4ng?<\/h3>\n<p>C\u00f3, nh\u01b0ng ch\u1ec9 v\u1edbi thi\u1ebft k\u1ebf ng\u00e2n s\u00e1ch \u0111i\u1ec7n c\u1ea9n th\u1eadn. M\u1ed9t kh\u00f3a t\u1eeb ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 t\u1edbi 500mA \u1edf 12V ho\u1eb7c 24V (kho\u1ea3ng 6\u201312W li\u00ean t\u1ee5c). S\u1eed d\u1ee5ng PoE ti\u00eau chu\u1ea9n (802.3af) \u0111\u1ec3 l\u1ea1i r\u1ea5t \u00edt d\u01b0 cho b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 \u0111\u1ea7u \u0111\u1ecdc. Khuy\u1ebfn ngh\u1ecb cao l\u00e0 s\u1eed d\u1ee5ng PoE+ (802.3at) ho\u1eb7c kh\u00f3a \u0111\u1eb7c bi\u1ec7t ti\u00eau th\u1ee5 \u0111i\u1ec7n th\u1ea5p.<\/p>\n<h3>\u0110i\u1ec1u g\u00ec x\u1ea3y ra v\u1edbi c\u00e1c c\u1eeda ki\u1ec3m so\u00e1t truy c\u1eadp PoE trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t m\u1ea1ng?<\/h3>\n<p>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n PoE c\u1ea5p doanh nghi\u1ec7p c\u00f3 b\u1ed9 nh\u1edb v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd t\u1ea1i ch\u1ed7. N\u1ebfu m\u1ea1ng b\u1ecb m\u1ea5t k\u1ebft n\u1ed1i, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u1eabn ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng quy\u1ec1n truy c\u1eadp \u0111\u00e3 l\u01b0u trong b\u1ed9 nh\u1edb cache, ghi l\u1ea1i c\u00e1c s\u1ef1 ki\u1ec7n t\u1ea1i ch\u1ed7 cho \u0111\u1ebfn khi k\u1ebft n\u1ed1i m\u1ea1ng \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c.<\/p>\n<h3>T\u00edch h\u1ee3p b\u00e1o ch\u00e1y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o v\u1edbi c\u00e1c kh\u00f3a \u0111i\u1ec7n powered b\u1eb1ng PoE?<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u1eeda an to\u00e0n, ngu\u1ed3n \u0111i\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c c\u1eaft ngay l\u1eadp t\u1ee9c khi c\u00f3 b\u00e1o ch\u00e1y. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch c\u1ea5p relay b\u00e1o ch\u00e1y tr\u1ef1c ti\u1ebfp v\u00e0o b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ngu\u1ed3n PoE ho\u1eb7c s\u1eed d\u1ee5ng switch m\u1ea1ng th\u00f4ng minh c\u00f3 giao di\u1ec7n FACP v\u1eadt l\u00fd \u0111\u1ec3 c\u1eaft ngu\u1ed3n c\u1ed5ng trong c\u00e1c b\u00e1o \u0111\u1ed9ng.<\/p>\n<h3>An to\u00e0n c\u1ee7a ki\u1ec3m so\u00e1t truy c\u1eadp PoE c\u00f3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c l\u1ed7 h\u1ed5ng an ninh m\u1ea1ng kh\u00f4ng?<\/h3>\n<p>V\u00ec c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh n\u1eb1m tr\u00ean m\u1ea1ng c\u1ee7a c\u00f4ng ty, ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd nh\u01b0 c\u00e1c \u0111i\u1ec3m cu\u1ed1i IT. C\u00e1c nh\u00f3m an ninh n\u00ean tri\u1ec3n khai x\u00e1c th\u1ef1c m\u1ea1ng 802.1X, \u0111\u1eb7t ph\u1ea7n c\u1ee9ng c\u1eeda tr\u00ean VLAN ri\u00eang bi\u1ec7t an to\u00e0n, \u0111\u1ea3m b\u1ea3o truy\u1ec1n th\u00f4ng m\u00e3 h\u00f3a (nh\u01b0 TLS 1.3), v\u00e0 thay \u0111\u1ed5i t\u1ea5t c\u1ea3 m\u1eadt kh\u1ea9u m\u1eb7c \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t. \u0110\u1ec3 c\u00f3 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft, h\u00e3y xem <a href=\"\/vi\/global-smart-lock-security-standards-for-enterprise-iot\/\">ti\u00eau chu\u1ea9n an ninh cho kh\u00f3a PoE<\/a>.<\/p>\n<h3>Kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a m\u00e0 c\u00e1p PoE c\u00f3 th\u1ec3 ch\u1ea1y \u0111\u1ebfn c\u1eeda l\u00e0 bao nhi\u00eau?<\/h3>\n<p>Kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a cho c\u00e1p Ethernet \u0111\u1ed3ng ti\u00eau chu\u1ea9n (Cat5e ho\u1eb7c Cat6) l\u00e0 100 m\u00e9t (328 feet). \u0110\u1ed1i v\u1edbi c\u00e1c kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n n\u00e0y, k\u1ef9 s\u01b0 ph\u1ea3i tri\u1ec3n khai switch m\u1ea1ng, b\u1ed9 m\u1edf r\u1ed9ng PoE ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i media qua c\u00e1p quang. Lu\u00f4n t\u00ednh \u0111\u1ebfn chi\u1ec1u d\u00e0i c\u1ee7a b\u1ea3ng \u0111\u1ea5u n\u1ed1i v\u00e0 v\u00f2ng l\u1eb7p d\u1ecbch v\u1ee5 khi \u0111o \u0111\u1ea1c \u0111\u01b0\u1eddng \u0111i c\u1ee7a c\u00e1p cho <strong>Ki\u1ec3m so\u00e1t truy c\u1eadp PoE<\/strong> c\u00e0i \u0111\u1eb7t.<\/p>","protected":false},"excerpt":{"rendered":"<p>The biggest hidden cost in traditional access control isn&#8217;t the hardware \u2014 it&#8217;s the electrical wiring. We&#8217;ve seen deployments where [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2751,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[22],"tags":[],"class_list":["post-2748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-knowledge"],"_links":{"self":[{"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/posts\/2748","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/comments?post=2748"}],"version-history":[{"count":2,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/posts\/2748\/revisions"}],"predecessor-version":[{"id":2750,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/posts\/2748\/revisions\/2750"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/media\/2751"}],"wp:attachment":[{"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/media?parent=2748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/categories?post=2748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/tags?post=2748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}