{"id":2740,"date":"2026-06-21T08:37:04","date_gmt":"2026-06-21T08:37:04","guid":{"rendered":"https:\/\/govelocks.com\/?p=2740"},"modified":"2026-06-24T08:20:12","modified_gmt":"2026-06-24T08:20:12","slug":"access-control-panels","status":"publish","type":"post","link":"https:\/\/govelocks.com\/vi\/access-control-panels\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn truy c\u1eadp b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ki\u1ec3m so\u00e1t truy c\u1eadp: Ki\u1ebfn tr\u00fac & Ngu\u1ed3n cung \u1ee9ng"},"content":{"rendered":"

H\u1ea7u h\u1ebft c\u00e1c l\u1ed7i c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ki\u1ec3m so\u00e1t truy c\u1eadp x\u1ea3y ra tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t \u2014 ch\u00fang \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh trong giai \u0111o\u1ea1n mua h\u00e0ng khi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi th\u1ef1c t\u1ebf v\u1eadn h\u00e0nh. Ch\u00fang t\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn c\u00e1c doanh nghi\u1ec7p mua c\u00e1c bo m\u1ea1ch kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c s\u1ef1 c\u1ed1 m\u1ea5t m\u1ea1ng WAN, kh\u00f4ng th\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng sao ch\u00e9p ch\u1ee9ng ch\u1ec9, ho\u1eb7c kh\u00f4ng th\u1ec3 di chuy\u1ec3n sang ph\u1ea7n m\u1ec1m m\u1edbi m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb. V\u1ea5n \u0111\u1ec1 c\u1ed1t l\u00f5i l\u00e0 xem b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n nh\u01b0 m\u1ed9t h\u00e0ng h\u00f3a. N\u00f3 l\u00e0 tr\u1ee5c quy\u1ebft \u0111\u1ecbnh c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng an ninh v\u1eadt l\u00fd. The b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ki\u1ec3m so\u00e1t truy c\u1eadp<\/strong> \u2014 c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1eeda v\u00e0 c\u00e1c b\u1ea3ng ph\u1ee5 \u2014 c\u1ed1 \u0111\u1ecbnh ki\u1ebfn tr\u00fac c\u1ee7a b\u1ea1n, b\u1ea3o m\u1eadt giao th\u1ee9c c\u1ee7a b\u1ea1n v\u00e0 gi\u1edbi h\u1ea1n kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a b\u1ea1n trong nhi\u1ec1u n\u0103m.<\/p>\n

Ch\u1ecdn sai b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, v\u00e0 b\u1ea1n \u0111ang mua m\u1ed9t r\u1ee7i ro tri\u1ec3n khai ti\u1ec1m \u1ea9n s\u1ebd xu\u1ea5t hi\u1ec7n m\u1ed7i khi m\u1ed9t c\u1eeda th\u1ea5t b\u1ea1i chuy\u1ec3n sang quy\u1ebft \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng, m\u1ed7i khi nh\u00e0 cung c\u1ea5p ng\u1eebng c\u1eadp nh\u1eadt firmware, v\u00e0 m\u1ed7i khi t\u1ed5 ch\u1ee9c c\u1ee7a b\u1ea1n m\u1edf r\u1ed9ng \u0111\u1ebfn m\u1ed9t c\u01a1 s\u1edf m\u1edbi. Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, ch\u00fang t\u00f4i s\u1ebd \u0111i qua ki\u1ebfn tr\u00fac, giao th\u1ee9c, ngu\u1ed3n \u0111i\u1ec7n, tu\u00e2n th\u1ee7 v\u00e0 logic ngu\u1ed3n cung \u1ee9ng m\u00e0 nh\u00f3m k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i s\u1eed d\u1ee5ng khi \u0111\u00e1nh gi\u00e1 ph\u1ea7n c\u1ee9ng ki\u1ec3m so\u00e1t truy c\u1eadp cho m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p nhi\u1ec1u c\u1eeda. Kh\u00f4ng l\u00fd thuy\u1ebft. Ch\u1ec9 l\u00e0 c\u00e1c quy\u1ebft \u0111\u1ecbnh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea1n v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n.<\/p>\n

Ch\u1ee9c n\u0103ng c\u1ee7a B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ki\u1ec3m so\u00e1t truy c\u1eadp nh\u01b0 Trung t\u00e2m tr\u00ed tu\u1ec7 c\u1ee7a An ninh v\u1eadt l\u00fd<\/h2>\n

M\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ki\u1ec3m so\u00e1t truy c\u1eadp kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t trung t\u00e2m d\u00e2y d\u1eabn th\u1ee5 \u0111\u1ed9ng; n\u00f3 l\u00e0 b\u1ed9 x\u1eed l\u00fd v\u1eadt l\u00fd l\u01b0u tr\u1eef c\u01a1 s\u1edf d\u1eef li\u1ec7u quy\u1ebft \u0111\u1ecbnh truy c\u1eadp, x\u00e1c th\u1ef1c ch\u1ee9ng ch\u1ec9, v\u00e0 th\u1ef1c thi l\u1ec7nh kh\u00f3a \u0111\u1ed9c l\u1eadp v\u1edbi \u0111\u00e1m m\u00e2y. Khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, c\u00e2u h\u1ecfi trung t\u00e2m l\u00e0 li\u1ec7u b\u1ea1n s\u1ebd \u0111\u1eb7t tr\u00ed tu\u1ec7 \u0111\u00f3 trong m\u1ed9t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111a trung t\u00e2m t\u1eadp trung trong ph\u00f2ng IT hay ph\u00e2n ph\u1ed1i n\u00f3 \u0111\u1ebfn c\u1ea1nh c\u1eeda. C\u1ea3 hai ki\u1ebfn tr\u00fac \u0111\u1ec1u c\u00f3 c\u00e1c mi\u1ec1n l\u1ed7i ri\u00eang bi\u1ec7t, chi ph\u00ed d\u00e2y d\u1eabn, v\u00e0 c\u00e1c l\u1ed9 tr\u00ecnh n\u00e2ng c\u1ea5p.<\/p>\n

B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ki\u1ec3m so\u00e1t nhi\u1ec1u c\u1eeda t\u1eadp trung<\/h3>\n

M\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n t\u1eadp trung truy\u1ec1n th\u1ed1ng n\u1eb1m trong ph\u00f2ng vi\u1ec5n th\u00f4ng an to\u00e0n, k\u1ebft n\u1ed1i v\u1edbi c\u00e1c \u0111\u1ea7u \u0111\u1ecdc c\u1eeda, c\u1ea3m bi\u1ebfn y\u00eau c\u1ea7u tho\u00e1t, v\u00e0 r\u01a1 le kh\u00f3a qua d\u00e2y d\u1eabn ri\u00eang bi\u1ec7t. M\u1ed7i bo m\u1ea1ch th\u01b0\u1eddng h\u1ed7 tr\u1ee3 2, 4 ho\u1eb7c 8 c\u1eeda v\u00e0 ch\u1ee9a b\u1ed9 x\u1eed l\u00fd, b\u1ed9 nh\u1edb flash cho c\u01a1 s\u1edf d\u1eef li\u1ec7u truy c\u1eadp, c\u00e1c \u0111\u1ea7u v\u00e0o gi\u00e1m s\u00e1t cho c\u1ea3m bi\u1ebfn c\u1eeda, v\u00e0 c\u00e1c \u0111\u1ea7u ra relay ti\u1ebfp x\u00fac kh\u00f4 \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n kh\u00f3a. \u01afu \u0111i\u1ec3m k\u1ef9 thu\u1eadt l\u1edbn l\u00e0 pin d\u1ef1 ph\u00f2ng v\u00e0 ngu\u1ed3n \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u1eadp trung trong m\u1ed9t h\u1ed9p b\u1ea3o v\u1ec7 ch\u1ed1ng tr\u1ed9m \u2014 m\u1ed9t b\u1ed1 c\u1ee5c s\u1ea1ch s\u1ebd, d\u1ec5 b\u1ea3o tr\u00ec. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 chi ph\u00ed v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c k\u00e9o d\u00e2y \u0111i\u1ec7n h\u1ea1 th\u1ebf t\u1eeb m\u1ed7i c\u1eeda v\u1ec1 ph\u00f2ng \u0111\u00f3, \u0111i\u1ec1u n\u00e0y nhanh ch\u00f3ng nh\u00e2n l\u00ean trong c\u00e1c c\u01a1 s\u1edf l\u1edbn.<\/p>\n

B\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1eeda c\u1ea1nh th\u00f4ng minh<\/h3>\n

C\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh l\u1eafp tr\u1ef1c ti\u1ebfp tr\u00ean c\u1eeda v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh truy c\u1eadp t\u1ea1i ch\u1ed7, k\u1ebft n\u1ed1i tr\u1edf l\u1ea1i ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd qua IP. Ki\u1ebfn tr\u00fac n\u00e0y t\u00e1ch r\u1eddi logic c\u1ee7a t\u1eebng c\u1eeda kh\u1ecfi b\u1ea3ng trung t\u00e2m, v\u00ec v\u1eady m\u1ed9t s\u1ef1 c\u1ed1 t\u1ea1i m\u1ed9t c\u1eeda kh\u00f4ng g\u00e2y ra hi\u1ec7u \u1ee9ng d\u00e2y chuy\u1ec1n. Tuy nhi\u00ean, c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh y\u00eau c\u1ea7u ch\u00fa \u00fd c\u1ea9n th\u1eadn \u0111\u1ebfn ng\u00e2n s\u00e1ch ngu\u1ed3n PoE v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng tr\u1ed9m v\u1eadt l\u00fd t\u1ea1i m\u1ed7i l\u1ed1i m\u1edf. Ch\u00fang t\u00f4i th\u01b0\u1eddng th\u1ea5y c\u00e1c nh\u00e0 t\u00edch h\u1ee3p \u0111\u1ec1 xu\u1ea5t c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n d\u1ef1a tr\u00ean IP<\/strong> cho c\u00e1c \u0111\u1ecba \u0111i\u1ec3m ph\u00e2n t\u00e1n n\u01a1i vi\u1ec7c k\u00e9o d\u00e2y t\u1eeb nh\u00e0 \u0111\u1ebfn t\u1eebng c\u1eeda l\u00e0 kh\u00f4ng kh\u1ea3 thi, nh\u01b0ng ch\u00fang t\u00f4i c\u00e2n nh\u1eafc c\u00e1c r\u1ee7i ro v\u1ec1 b\u1ea3o m\u1eadt khi \u0111\u1eb7t \u201ctr\u00ed tu\u1ec7\u201d b\u00ean ngo\u00e0i ph\u00f2ng an to\u00e0n. N\u1ebfu m\u00f4i tr\u01b0\u1eddng c\u1eeda kh\u00f4ng \u0111\u01b0\u1ee3c gia c\u1ed1, m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng v\u1eadt l\u00fd v\u00e0o bo m\u1ea1ch c\u1ea1nh c\u00f3 th\u1ec3 b\u1ecf qua relay kh\u00f3a ho\u00e0n to\u00e0n.<\/p>\n

L\u01b0u tr\u1eef t\u1ea1i ch\u1ed7 c\u00e1c ma tr\u1eadn quy\u1ebft \u0111\u1ecbnh truy c\u1eadp l\u00e0 y\u00eau c\u1ea7u kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng. B\u1ea5t k\u1ec3 ki\u1ebfn tr\u00fac n\u00e0o, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u1ea3i gi\u1eef m\u1ed9t b\u1ea3n sao \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a c\u00e1c quy t\u1eafc truy c\u1eadp \u0111\u1ec3 c\u00e1c c\u1eeda v\u1eabn ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c s\u1ef1 c\u1ed1 m\u1ea5t m\u1ea1ng WAN. N\u1ebfu m\u1ed9t bo m\u1ea1ch ch\u1ec9 l\u01b0u tr\u1eef t\u1ea1m th\u1eddi m\u1ed9t ph\u1ea7n ch\u1ee9ng ch\u1ec9 ho\u1eb7c tr\u00ec ho\u00e3n m\u1ecdi quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y, m\u1ed9t s\u1ef1 c\u1ed1 m\u1ea1ng \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 khi\u1ebfn to\u00e0n b\u1ed9 t\u00f2a nh\u00e0 b\u1ecb phong t\u1ecfa. \u0110\u1ed1i v\u1edbi c\u00e1c c\u1eeda quan tr\u1ecdng, ch\u00fang t\u00f4i x\u00e1c nh\u1eadn r\u1eb1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1eeda offline h\u1ed7 tr\u1ee3 \u00edt nh\u1ea5t 10.000 ch\u1ee7 th\u1ebb v\u00e0 c\u00f3 th\u1ec3 x\u1eed l\u00fd m\u1ed9t l\u01b0\u1ee3t qu\u1eb9t th\u1ebb trong v\u00f2ng ch\u01b0a \u0111\u1ea7y 300ms m\u00e0 kh\u00f4ng c\u1ea7n g\u1ecdi \u0111\u1ebfn m\u00e1y ch\u1ee7.<\/p>\n

\n

Ki\u1ebfn tr\u00fac m\u1edf so v\u1edbi B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ki\u1ec3m so\u00e1t truy c\u1eadp \u0111\u1ed9c quy\u1ec1n<\/h2>\n

Quy t\u1eafc quy\u1ebft \u0111\u1ecbnh:<\/strong> Ng\u01b0\u1eddi mua th\u01b0\u01a1ng m\u1ea1i n\u00ean \u01b0u ti\u00ean ph\u1ea7n c\u1ee9ng \u0111i\u1ec1u khi\u1ec3n m\u1edf, nh\u01b0 c\u00e1c n\u1ec1n t\u1ea3ng d\u1ef1a tr\u00ean Mercury, tr\u1eeb khi tri\u1ec3n khai l\u00e0 m\u1ed9t kiosk \u0111\u1ed9c l\u1eadp cho m\u1ed9t c\u1eeda duy nh\u1ea5t s\u1ebd kh\u00f4ng bao gi\u1edd t\u00edch h\u1ee3p v\u00e0o h\u1ec7 th\u1ed1ng l\u1edbn h\u01a1n. Ki\u1ebfn tr\u00fac m\u1edf t\u00e1ch r\u1eddi v\u00f2ng \u0111\u1eddi ph\u1ea7n c\u1ee9ng kh\u1ecfi nh\u00e0 cung c\u1ea5p ph\u1ea7n m\u1ec1m, ng\u0103n ch\u1eb7n vi\u1ec7c thay th\u1ebf ph\u1ea7n c\u1ee9ng b\u1eaft bu\u1ed9c khi ph\u1ea7n m\u1ec1m c\u1ea7n thay \u0111\u1ed5i.<\/p>\n

L\u1eadp lu\u1eadn v\u1ec1 c\u00e1c N\u1ec1n t\u1ea3ng Ph\u1ea7n c\u1ee9ng M\u1edf D\u1ef1a tr\u00ean Mercury<\/h3>\n

\u201cPh\u1ea7n c\u1ee9ng \u201dCh\u00ednh h\u00e3ng Mercury OEM\u201d c\u00f3 ngh\u0129a l\u00e0 bo m\u1ea1ch in m\u1ea1ch in v\u1eadt l\u00fd \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo gi\u1ea5y ph\u00e9p t\u1eeb Mercury Security, trong khi c\u00e1c nh\u00e0 cung c\u1ea5p ph\u1ea7n m\u1ec1m kh\u00e1c \u2014 LenelS2, Avigilon, Genetec, v\u00e0 c\u00e1c nh\u00e0 kh\u00e1c \u2014 vi\u1ebft firmware ri\u00eang c\u1ee7a h\u1ecd \u0111\u1ec3 ch\u1ea1y tr\u00ean c\u00f9ng m\u1ed9t chip. C\u00e1c \u0111\u1ea7u v\u00e0o, \u0111\u1ea7u ra, v\u00e0 b\u1ed9 x\u1eed l\u00fd c\u1ee7a bo m\u1ea1ch \u0111\u1ec1u gi\u1ed1ng nhau tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng; ch\u1ec9 c\u00f3 t\u00ednh c\u00e1ch c\u1ee7a firmware thay \u0111\u1ed5i. S\u1ef1 ph\u00e2n t\u00e1ch ph\u1ea7n c\u1ee9ng-ph\u1ea7n m\u1ec1m n\u00e0y cho ph\u00e9p m\u1ed9t c\u01a1 s\u1edf c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u1eeb n\u1ec1n t\u1ea3ng trung t\u00e2m n\u00e0y sang n\u1ec1n t\u1ea3ng kh\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ea1m v\u00e0o c\u00e1c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, \u0111\u1ea7u \u0111\u1ecdc, ho\u1eb7c d\u00e2y d\u1eabn. \u0110\u1ed1i v\u1edbi c\u00e1c khu\u00f4n vi\u00ean doanh nghi\u1ec7p \u0111a \u0111\u1ecba \u0111i\u1ec3m, \u0111\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed \u2014 \u0111\u00f3 l\u00e0 m\u1ed9t y\u00eau c\u1ea7u mua s\u1eafm. Ch\u00fang t\u00f4i khuy\u00ean ng\u01b0\u1eddi mua ki\u1ec3m tra ti\u1ec1n t\u1ed1 s\u1ed1 s\u00ea-ri Mercury tr\u00ean bo m\u1ea1ch v\u00e0 x\u00e1c nh\u1eadn kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ch\u00e9o tr\u00ean danh s\u00e1ch \u0111\u1ed1i t\u00e1c Mercury tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t danh m\u1ee5c v\u1eadt t\u01b0.<\/p>\n

\u0110\u00e1nh gi\u00e1 c\u00e1c R\u1ee7i ro c\u1ee7a vi\u1ec7c Kh\u00f3a ch\u1eb7t Nh\u00e0 cung c\u1ea5p \u0111\u1ed9c quy\u1ec1n<\/h3>\n

B\u1ea3ng \u0111\u1ed9c quy\u1ec1n li\u00ean k\u1ebft qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c ph\u1ea7n c\u1ee9ng v\u1edbi ph\u1ea7n m\u1ec1m c\u1ee7a nh\u00e0 cung c\u1ea5p duy nh\u1ea5t. Khi nh\u00e0 cung c\u1ea5p \u0111\u00f3 k\u1ebft th\u00fac d\u00f2ng s\u1ea3n ph\u1ea9m, t\u0103ng chi ph\u00ed c\u1ea5p ph\u00e9p ho\u1eb7c th\u1ea5t b\u1ea1i trong ki\u1ec3m tra an ninh, to\u00e0n b\u1ed9 l\u1edbp b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n tr\u1edf th\u00e0nh t\u00e0i s\u1ea3n b\u1ecb b\u1ecf r\u01a1i. Ch\u00fang t\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c c\u01a1 s\u1edf bu\u1ed9c ph\u1ea3i thay th\u1ebf c\u00e1c b\u1ea3ng ho\u1ea1t \u0111\u1ed9ng ch\u1ec9 v\u00ec giao th\u1ee9c truy\u1ec1n th\u00f4ng \u0111\u1ed9c quy\u1ec1n gi\u1eefa b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd kh\u00f4ng th\u1ec3 m\u00f4 ph\u1ecfng \u0111\u01b0\u1ee3c. Nh\u1eefng tr\u01b0\u1eddng h\u1ee3p duy nh\u1ea5t ch\u00fang t\u00f4i ch\u1ea5p nh\u1eadn b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9c quy\u1ec1n l\u00e0 c\u00e1c c\u00e0i \u0111\u1eb7t \u0111\u1ed9c l\u1eadp \u0111\u1eb7c bi\u1ec7t \u2014 v\u00ed d\u1ee5 nh\u01b0 turnstile sinh tr\u1eafc h\u1ecdc trong ph\u00f2ng th\u00ed nghi\u1ec7m nh\u1ea1y c\u1ea3m \u2014 n\u01a1i ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1eb7t ch\u1ebd nh\u01b0 m\u1ed9t \u0111\u01a1n v\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn. \u0110\u1ed1i v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00e1c, \u0111\u1eb7c bi\u1ec7t gi\u1ea3i ph\u00e1p ki\u1ec3m so\u00e1t truy c\u1eadp doanh nghi\u1ec7p<\/a> ph\u1ea1m vi nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m, ki\u1ebfn tr\u00fac m\u1edf l\u00e0 n\u1ec1n t\u1ea3ng an to\u00e0n h\u01a1n.<\/p>\n

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Giao th\u1ee9c truy\u1ec1n th\u00f4ng Reader-to-Panel: Chuy\u1ec3n sang OSDP<\/h2>\n

\u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng an to\u00e0n, d\u00e2y d\u1eabn giao th\u1ee9c Wiegand c\u0169 n\u00ean \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng OSDP (Giao th\u1ee9c Thi\u1ebft b\u1ecb Gi\u00e1m s\u00e1t M\u1edf)<\/strong> v2, s\u1eed d\u1ee5ng m\u00e3 h\u00f3a AES-128 \u0111\u1ec3 ng\u0103n ch\u1eb7n nghe tr\u1ed9m d\u00e2y d\u1eabn v\u1eadt l\u00fd v\u00e0 ch\u1eb7n b\u1eaft d\u1eef li\u1ec7u x\u00e1c th\u1ef1c. N\u1ebfu b\u1ea3ng c\u1ee7a b\u1ea1n ch\u1ec9 h\u1ed7 tr\u1ee3 Wiegand, b\u1ea1n \u0111ang ch\u1ea5p nh\u1eadn m\u1ed9t l\u1ed7 h\u1ed5ng gi\u00e1m s\u00e1t \u0111\u00e3 bi\u1ebft tr\u00ean m\u1ed7i d\u00e2y \u0111\u1ecdc th\u1ebb.<\/p>\n

Lo\u1ea1i b\u1ecf l\u1ed7 h\u1ed5ng c\u1ee7a Giao th\u1ee9c Wiegand c\u0169<\/h3>\n

Wiegand l\u00e0 m\u1ed9t giao th\u1ee9c m\u1ed9t chi\u1ec1u, kh\u00f4ng m\u00e3 h\u00f3a, truy\u1ec1n d\u1eef li\u1ec7u x\u00e1c th\u1ef1c r\u00f5 r\u00e0ng qua m\u1ed9t bus d\u1eef li\u1ec7u hai d\u00e2y \u0111\u01a1n gi\u1ea3n. M\u1ed9t c\u00f4ng c\u1ee5 sao ch\u00e9p c\u1ea7m tay c\u00f3 th\u1ec3 ch\u1eb7n d\u00f2ng nh\u1ecb ph\u00e2n t\u1ea1i b\u1ea5t k\u1ef3 \u0111i\u1ec3m n\u00e0o c\u00f3 th\u1ec3 truy c\u1eadp tr\u00ean d\u00e2y \u2014 th\u01b0\u1eddng trong v\u00f2ng v\u00e0i gi\u00e2y \u2014 v\u00e0 ph\u00e1t l\u1ea1i \u0111\u1ec3 v\u00e0o c\u1eeda. Kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n s\u1eeda \u0111\u1ed5i, kh\u00f4ng gi\u00e1m s\u00e1t, v\u00e0 kh\u00f4ng b\u1eaft tay hai chi\u1ec1u. T\u00edn hi\u1ec7u \u0111\u1ed3ng h\u1ed3 v\u00e0 d\u1eef li\u1ec7u c\u1ee7a Wiegand c\u0169ng gi\u1edbi h\u1ea1n chi\u1ec1u d\u00e0i d\u00e2y kho\u1ea3ng 500 feet, \u0111i\u1ec1u n\u00e0y l\u00e0m ph\u1ee9c t\u1ea1p b\u1ed1 c\u1ee5c c\u00e1c c\u01a1 s\u1edf l\u1edbn. Ch\u00fang t\u00f4i khuy\u00ean n\u00ean xem b\u1ea5t k\u1ef3 h\u1ea1 t\u1ea7ng Wiegand n\u00e0o hi\u1ec7n c\u00f3 nh\u01b0 m\u1ed9t l\u1edbp t\u01b0\u01a1ng th\u00edch t\u1ea1m th\u1eddi trong khi b\u1ea1n chuy\u1ec3n sang h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t truy c\u1eadp \u0111i\u1ec7n t\u1eed<\/a> h\u1ed7 tr\u1ee3 OSDP m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean.<\/p>\n

Tri\u1ec3n khai OSDP (Giao th\u1ee9c Thi\u1ebft b\u1ecb Gi\u00e1m s\u00e1t M\u1edf) cho K\u00eanh An to\u00e0n<\/h3>\n

OSDP ho\u1ea1t \u0111\u1ed9ng tr\u00ean RS-485, m\u1ed9t bus n\u1ed1i ti\u1ebfp ph\u00e2n bi\u1ec7t, h\u1ed7 tr\u1ee3 chi\u1ec1u d\u00e0i d\u00e2y l\u00ean t\u1edbi 4.000 feet v\u00e0 n\u1ed1i chu\u1ed7i nhi\u1ec1u reader tr\u00ean m\u1ed9t c\u1eb7p xo\u1eafn \u0111\u00f4i. Quan tr\u1ecdng h\u01a1n, n\u00f3 thi\u1ebft l\u1eadp m\u1ed9t k\u00eanh gi\u00e1m s\u00e1t hai chi\u1ec1u: b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n li\u00ean t\u1ee5c ki\u1ec3m tra tr\u1ea1ng th\u00e1i c\u1ee7a reader, v\u00e0 b\u1ea5t k\u1ef3 c\u1eaft d\u00e2y, ch\u1eadp m\u1ea1ch ho\u1eb7c c\u1ed1 g\u1eafng s\u1eeda \u0111\u1ed5i n\u00e0o \u0111\u1ec1u k\u00edch ho\u1ea1t c\u1ea3nh b\u00e1o ngay l\u1eadp t\u1ee9c. M\u00e3 h\u00f3a AES-128 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u x\u00e1c th\u1ef1c trong qu\u00e1 tr\u00ecnh truy\u1ec1n. Khi mua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, ch\u00fang t\u00f4i x\u00e1c minh r\u1eb1ng firmware c\u1ee7a b\u1ea3ng h\u1ed7 tr\u1ee3 OSDP v2.1 ho\u1eb7c m\u1edbi h\u01a1n theo ti\u00eau chu\u1ea9n c\u1ee7a SIA, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t tri\u1ec3n khai \u0111\u1ed9c quy\u1ec1n. S\u1ef1 kh\u00e1c bi\u1ec7t trong mua h\u00e0ng r\u1ea5t \u0111\u01a1n gi\u1ea3n: m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 c\u1ed5ng RS-485 OSDP t\u00edch h\u1ee3p kh\u00f4ng c\u1ea7n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i Wiegand-to-OSDP ri\u00eang bi\u1ec7t t\u1ea1i m\u1ed7i c\u1eeda, gi\u00fap gi\u1ea3m chi ph\u00ed ph\u1ea7n c\u1ee9ng v\u00e0 lo\u1ea1i b\u1ecf m\u1ed9t \u0111i\u1ec3m th\u1ea5t b\u1ea1i.<\/p>\n

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Ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n v\u00e0 Ki\u1ebfn tr\u00fac h\u1ed9p ch\u1ee9a cho B\u1ed9 \u0111i\u1ec1u khi\u1ec3n nhi\u1ec1u c\u1eeda<\/h2>\n

Tri\u1ec3n khai ph\u1ea7n c\u1ee9ng doanh nghi\u1ec7p n\u00ean s\u1eed d\u1ee5ng c\u00e1c h\u1ed9p ch\u1ee9a trung t\u00e2m, qu\u1ea3n l\u00fd ngu\u1ed3n \u0111i\u1ec7n, t\u00edch h\u1ee3p bo m\u1ea1ch h\u1ec7 th\u1ed1ng, d\u1ef1 ph\u00f2ng pin v\u00e0 module ngu\u1ed3n kh\u00f3a v\u00e0o m\u1ed9t khung ch\u1ee9a c\u00f3 th\u1ec3 b\u1ea3o tr\u00ec d\u1ec5 d\u00e0ng. \u0110\u00e1nh gi\u00e1 th\u1ea5p d\u00f2ng kh\u1edfi \u0111\u1ed9ng c\u1ee7a kh\u00f3a ho\u1eb7c ch\u1ecdn lo\u1ea1i r\u01a1 le sai l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y ra c\u00e1c l\u1ed7i c\u1eeda kh\u00f4ng li\u00ean t\u1ee5c m\u00e0 ch\u00fang t\u00f4i th\u1ea5y trong th\u1ef1c t\u1ebf.<\/p>\n

Ph\u00e2n ph\u1ed1i ngu\u1ed3n \u0111i\u1ec7n t\u1eadp trung v\u00e0 H\u1ed9p ch\u1ee9a Trove<\/h3>\n

A H\u1ed9p ch\u1ee9a Trove<\/strong> ho\u1eb7c h\u1ec7 th\u1ed1ng t\u01b0\u01a1ng t\u1ef1 t\u1eeb LifeSafety Power \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u1eb5n \u0111\u1ec3 l\u1eafp \u0111\u1eb7t, \u0111i d\u00e2y v\u00e0 b\u1ea3o v\u1ec7 m\u1ea1ch \u0111i\u1ec7n, gi\u00fap b\u1ea1n kh\u00f4ng ph\u1ea3i x\u1ebfp ch\u1ed3ng c\u00e1c ngu\u1ed3n \u0111i\u1ec7n r\u1eddi r\u1ea1c ph\u00eda sau b\u1ea3ng n\u1ec1n chung. C\u00e1c h\u1ed9p ch\u1ee9a n\u00e0y th\u01b0\u1eddng gi\u1eef bo m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n ch\u00ednh, bo m\u1ea1ch m\u1edf r\u1ed9ng, ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n (PSU), pin d\u1ef1 ph\u00f2ng v\u00e0 c\u00e1c \u0111\u1ea7u ra kh\u00f3a \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1eb1ng c\u1ea7u ch\u00ec trong m\u1ed9t t\u1ee7 kh\u00f3a c\u00f3 th\u1ec3 kh\u00f3a, gi\u00e1m s\u00e1t ch\u1ed1ng s\u1eeda \u0111\u1ed5i. \u0110\u1ed1i v\u1edbi c\u00e1c c\u01a1 s\u1edf c\u00f3 h\u01a1n t\u00e1m c\u1eeda, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian x\u1eed l\u00fd s\u1ef1 c\u1ed1. Ch\u00fang t\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c nh\u00f3m b\u1ea3o tr\u00ec d\u00e0nh h\u00e0ng gi\u1edd \u0111\u1ec3 truy t\u00ecm c\u00e1c k\u1ebft n\u1ed1i d\u00e2y c\u1ed9t l\u1ecfng l\u1ebbo trong c\u00e1c t\u1ee7 l\u1eafp r\u00e1p t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, trong khi b\u1ed1 tr\u00ed ki\u1ec3u Trove \u0111\u00fang c\u00e1ch gi\u00fap vi\u1ec7c th\u00eam bo m\u1ea1ch m\u1edf r\u1ed9ng ch\u1ec9 m\u1ea5t 15 ph\u00fat c\u1eafm v\u00e0 ch\u00e8n.<\/p>\n

Ngu\u1ed3n PoE so v\u1edbi Ngu\u1ed3n Board 12V\/24V DC c\u1ee5c b\u1ed9<\/h3>\n

Ki\u1ec3m so\u00e1t truy c\u1eadp PoE<\/strong> cung c\u1ea5p c\u00f4ng su\u1ea5t l\u00ean \u0111\u1ebfn 90W theo ti\u00eau chu\u1ea9n 802.3bt, c\u00f3 th\u1ec3 c\u1ea5p ngu\u1ed3n cho b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea1nh v\u00e0 kh\u00f3a \u0111i\u1ec7n t\u1eed ti\u00eau th\u1ee5 th\u1ea5p, nh\u01b0ng g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi c\u00e1c kh\u00f3a t\u1eeb tr\u01b0\u1eddng c\u00f3 d\u00f2ng kh\u1edfi \u0111\u1ed9ng l\u1edbn ho\u1eb7c thi\u1ebft b\u1ecb tho\u00e1t hi\u1ec3m c\u00f4ng su\u1ea5t l\u1edbn. Ph\u00e2n ph\u1ed1i ngu\u1ed3n trung t\u00e2m truy\u1ec1n th\u1ed1ng 12V ho\u1eb7c 24V DC m\u1edf r\u1ed9ng d\u1ec5 d\u1ef1 \u0111o\u00e1n h\u01a1n khi b\u1ea1n c\u1ea7n k\u1ebft h\u1ee3p nhi\u1ec1u kh\u00f3a, \u0111\u1ea7u \u0111\u1ecdc v\u00e0 c\u00e1c \u0111\u1ea7u ra ph\u1ee5 tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng ngu\u1ed3n duy nh\u1ea5t. C\u00f4ng th\u1ee9c t\u00ednh ng\u00e2n s\u00e1ch ngu\u1ed3n nh\u01b0 sau:<\/p>\n