{"id":11382,"date":"2026-04-11T13:57:45","date_gmt":"2026-04-11T13:57:45","guid":{"rendered":"https:\/\/jinhaiharness.com\/?p=11382"},"modified":"2026-04-11T13:57:45","modified_gmt":"2026-04-11T13:57:45","slug":"chon-cap-ethernet-va-cap-quang-tuy-chinh","status":"publish","type":"post","link":"https:\/\/jinhaiharness.com\/vi\/selecting-custom-ethernet-and-fiber-optic-cable","title":{"rendered":"H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn c\u00e1c b\u1ed9 c\u00e1p Ethernet v\u00e0 c\u00e1p quang t\u00f9y ch\u1ec9nh"},"content":{"rendered":"

Trong b\u1ed1i c\u1ea3nh l\u00e0n s\u00f3ng C\u00e1ch m\u1ea1ng C\u00f4ng nghi\u1ec7p 4.0, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 l\u00e1i xe t\u1ef1 \u0111\u1ed9ng tr\u00ean c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1edbi v\u00e0 qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n li\u00ean t\u1ee5c c\u1ee7a thi\u1ebft b\u1ecb ch\u1ea9n \u0111o\u00e1n h\u00ecnh \u1ea3nh y t\u1ebf cao c\u1ea5p, logic v\u1eadn h\u00e0nh c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111ang tr\u1ea3i qua m\u1ed9t s\u1ef1 t\u00e1i c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n. Trong khi c\u00e1c m\u00e1y m\u00f3c tr\u01b0\u1edbc \u0111\u00e2y ch\u1ec9 d\u1ef1a v\u00e0o c\u00e1c t\u00edn hi\u1ec7u b\u1eadt\/t\u1eaft \u0111\u01a1n gi\u1ea3n, th\u00ec thi\u1ebft b\u1ecb ng\u00e0y nay l\u1ea1i ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 v\u00e0 th\u1eddi gian th\u1ef1c. C\u00e1c camera th\u1ecb gi\u00e1c m\u00e1y t\u00ednh \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, LiDAR v\u00e0 h\u1ec7 th\u1ed1ng servo \u0111a tr\u1ee5c \u0111ang x\u1eed l\u00fd h\u00e0ng gigabit\u2014th\u1eadm ch\u00ed l\u00e0 terabit\u2014d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u01b0a t\u1eebng c\u00f3.<\/p>\n

N\u1ebfu c\u00e1c c\u1ee5m d\u00e2y ngu\u1ed3n l\u00e0 \u201cm\u1ea1ch m\u00e1u\u201d c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb, th\u00ec c\u00e1c c\u1ee5m d\u00e2y d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao ch\u00ednh l\u00e0 \u201ch\u1ec7 th\u1ea7n kinh\u201d ch\u1ea1y kh\u1eafp c\u01a1 th\u1ec3 thi\u1ebft b\u1ecb \u0111\u00f3. Tuy nhi\u00ean, khi h\u1ec7 th\u1ea7n kinh tinh vi v\u00e0 d\u1ec5 v\u1ee1 n\u00e0y \u0111\u01b0\u1ee3c tri\u1ec3n khai trong nh\u1eefng \u201cm\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t\u201d \u0111\u1ea7y nhi\u1ec5u \u0111i\u1ec7n t\u1eeb m\u1ea1nh, rung \u0111\u1ed9ng d\u1eef d\u1ed9i, nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111oan v\u00e0 \u0103n m\u00f2n h\u00f3a h\u1ecdc, c\u00e1c gi\u1ea3i ph\u00e1p c\u00e1p truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng h\u1ecfng ngay l\u1eadp t\u1ee9c.<\/p>\n

L\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t d\u00e2y c\u00e1p chuy\u00ean nghi\u1ec7p c\u00f3 b\u1ec1 d\u00e0y kinh nghi\u1ec7m trong l\u0129nh v\u1ef1c k\u1ebft n\u1ed1i ch\u00ednh x\u00e1c, JinHai<\/strong><\/a> nh\u1eadn th\u1ee9c r\u00f5 r\u1eb1ng kh\u00f4ng c\u00f3 b\u00ean n\u00e0o ho\u00e0n to\u00e0n \u0111\u00fang trong cu\u1ed9c tranh lu\u1eadn n\u00e0y. T\u00f9y ch\u1ec9nh th\u1ef1c s\u1ef1 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 s\u1ea3n xu\u1ea5t theo b\u1ea3n v\u1ebd; n\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n v\u1ec1 \u0111i\u1ec7n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch s\u00e2u s\u1eafc c\u00e1c gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u cho h\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, t\u1eadp trung v\u00e0o b\u1ed1n kh\u00eda c\u1ea1nh ch\u00ednh: t\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb, \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc, b\u1ea3o v\u1ec7 \u0111\u1ea7u n\u1ed1i v\u00e0 t\u00edch h\u1ee3p t\u00f9y ch\u1ec9nh.<\/p>\n

\"C\u00e1p<\/p>\n

C\u00e1p Ethernet v\u00e0 c\u00e1p quang: Nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) v\u00e0 t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/h2>\n

Trong c\u00e1c c\u01a1 s\u1edf c\u00f4ng nghi\u1ec7p ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u00e1p cao c\u1ee7a xe \u0111i\u1ec7n, s\u1ef1 hi\u1ec7n di\u1ec7n ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00e1c b\u1ed9 bi\u1ebfn t\u1ea7n, \u0111\u1ed9ng c\u01a1 c\u00f4ng su\u1ea5t l\u1edbn v\u00e0 b\u1ed9 ngu\u1ed3n chuy\u1ec3n m\u1ea1ch t\u1ea7n s\u1ed1 cao t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb c\u1ef1c k\u1ef3 kh\u1eafc nghi\u1ec7t. Nh\u1eefng \u0111i\u1ec1u ki\u1ec7n nh\u01b0 v\u1eady l\u00e0 m\u1ed1i \u0111e d\u1ecda nghi\u00eam tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c t\u00edn hi\u1ec7u d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao.<\/p>\n

H\u00e0ng r\u00e0o b\u1ea3o m\u1eadt cho m\u1ea1ng Ethernet c\u00f4ng nghi\u1ec7p<\/h3>\n

C\u00e1c c\u1ee5m c\u00e1p Ethernet c\u00f4ng nghi\u1ec7p s\u1eed d\u1ee5ng d\u00e2y d\u1eabn \u0111\u1ed3ng (nh\u01b0 Cat6a, Cat7 ho\u1eb7c th\u1eadm ch\u00ed Cat8) r\u1ea5t d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb b\u00ean ngo\u00e0i khi truy\u1ec1n t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 cao, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u ch\u00e9o v\u00e0 l\u1ed7i bit. \u0110\u1ec3 ch\u1ed1ng l\u1ea1i nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI), c\u00e1c k\u1ef9 s\u01b0 ph\u1ea3i d\u1ef1a v\u00e0o c\u00e1c c\u1ea5u tr\u00fac che ch\u1eafn c\u1ef1c k\u1ef3 ph\u1ee9c t\u1ea1p. C\u00e1c c\u1ee5m c\u00e1p Ethernet t\u00f9y ch\u1ec9nh ch\u1ea5t l\u01b0\u1ee3ng cao th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac SF\/UTP ho\u1eb7c S\/FTP \u2014 t\u1ee9c l\u00e0 c\u00e1c c\u1eb7p xo\u1eafn \u0111\u01b0\u1ee3c b\u1ecdc trong m\u1ed9t l\u1edbp l\u01b0\u1edbi \u0111\u1ed3ng m\u1ea1 thi\u1ebfc m\u1eadt \u0111\u1ed9 cao (v\u1edbi t\u1ef7 l\u1ec7 che ph\u1ee7 tr\u00ean 85%), v\u00e0 m\u1ed9t l\u1edbp l\u00e1 nh\u00f4m che ch\u1eafn \u0111\u01b0\u1ee3c th\u00eam v\u00e0o xung quanh m\u1ed7i c\u1eb7p d\u00e2y d\u1eabn. L\u1edbp che ch\u1eafn k\u00e9p n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 ch\u1ed1ng l\u1ea1i c\u1ea3 nhi\u1ec5u t\u1ea7n s\u1ed1 th\u1ea5p v\u00e0 cao; tuy nhi\u00ean, trong m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111i\u1ec7n \u00e1p c\u1ef1c cao v\u00e0 t\u1eeb tr\u01b0\u1eddng m\u1ea1nh (ch\u1eb3ng h\u1ea1n nh\u01b0 b\u00ean trong thi\u1ebft b\u1ecb y t\u1ebf MRI ho\u1eb7c g\u1ea7n b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 EV), kh\u1ea3 n\u0103ng che ch\u1eafn c\u1ee7a c\u00e1p \u0111\u1ed3ng v\u1eabn g\u1eb7p ph\u1ea3i nh\u1eefng h\u1ea1n ch\u1ebf v\u1ec1 m\u1eb7t v\u1eadt l\u00fd.<\/p>\n

L\u1ee3i th\u1ebf v\u1ec1 k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1p quang<\/h3>\n

Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c ch\u1ed1ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI), c\u00e1p quang<\/strong> th\u1ec3 hi\u1ec7n l\u1ee3i th\u1ebf r\u00f5 r\u1ec7t v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt. Do c\u00e1p quang truy\u1ec1n t\u00edn hi\u1ec7u th\u00f4ng qua hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 to\u00e0n ph\u1ea7n c\u1ee7a c\u00e1c photon b\u00ean trong l\u00f5i th\u1ee7y tinh ho\u1eb7c nh\u1ef1a, n\u00ean ch\u00fang ho\u00e0n to\u00e0n mi\u1ec5n nhi\u1ec5m v\u1edbi m\u1ecdi h\u00ecnh th\u1ee9c nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) v\u00e0 nhi\u1ec5u t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RFI). H\u01a1n n\u1eefa, c\u00e1p quang kh\u00f4ng ph\u00e1t ra b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb v\u00e0 kh\u00f4ng d\u1eabn \u0111i\u1ec7n, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 v\u00f2ng l\u1eb7p \u0111\u1ea5t, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng c\u00e1p k\u1ebft h\u1ee3p gi\u1eefa \u0111i\u1ec7n \u00e1p cao v\u00e0 \u0111i\u1ec7n \u00e1p th\u1ea5p. N\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec5u nghi\u00eam tr\u1ecdng v\u00e0 kh\u00f3 kh\u1eafc ph\u1ee5c, c\u00e1p quang th\u01b0\u1eddng l\u00e0 con \u0111\u01b0\u1eddng truy\u1ec1n d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady duy nh\u1ea5t.<\/p>\n

\"C\u00e1p<\/p>\n

C\u00e1c gi\u1edbi h\u1ea1n v\u1eadt l\u00fd trong th\u1eed nghi\u1ec7m c\u00e1p Ethernet v\u00e0 c\u00e1p quang: \u0110\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 linh ho\u1ea1t cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n do m\u00f4i tr\u01b0\u1eddng<\/h2>\n

M\u1eb7c d\u00f9 v\u1ea5n \u0111\u1ec1 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb v\u00f4 h\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft, nh\u01b0ng nh\u1eefng l\u1ef1c k\u00e9o m\u1ea1nh m\u00e0 c\u1ee5m d\u00e2y c\u00e1p ph\u1ea3i ch\u1ecbu trong th\u1ebf gi\u1edbi th\u1ef1c c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng kh\u00f4ng k\u00e9m. D\u00f9 l\u00e0 chuy\u1ec3n \u0111\u1ed9ng \u0111a tr\u1ee5c c\u1ee7a c\u00e1nh tay robot c\u00f4ng nghi\u1ec7p hay h\u1ec7 th\u1ed1ng x\u00edch k\u00e9o trong c\u00e1c kho t\u1ef1 \u0111\u1ed9ng, c\u1ee5m d\u00e2y c\u00e1p ph\u1ea3i ch\u1ecbu \u0111\u1ef1ng h\u00e0ng tri\u1ec7u chu k\u1ef3 u\u1ed1n cong, xo\u1eafn v\u00e0 k\u00e9o gi\u00e3n.<\/p>\n

Cu\u1ed9c kh\u1ee7ng ho\u1ea3ng \u201cm\u1ec7t m\u1ecfi kim lo\u1ea1i\u201d c\u1ee7a c\u00e1p Ethernet l\u00f5i \u0111\u1ed3ng<\/h3>\n

C\u00e1p Ethernet ti\u00eau chu\u1ea9n s\u1eed d\u1ee5ng d\u00e2y \u0111\u1ed3ng \u0111\u1eb7c m\u1ed9t s\u1ee3i (Solid Core), lo\u1ea1i d\u00e2y n\u00e0y r\u1ea5t d\u1ec5 b\u1ecb m\u1ecfi kim lo\u1ea1i ho\u1eb7c th\u1eadm ch\u00ed \u0111\u1ee9t l\u00f5i khi ph\u1ea3i u\u1ed1n cong th\u01b0\u1eddng xuy\u00ean. \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 c\u00e1p Ethernet t\u00f9y ch\u1ec9nh y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng di chuy\u1ec3n linh ho\u1ea1t, C\u1ee7a JinHai<\/strong> Gi\u1ea3i ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng c\u00e1c s\u1ee3i \u0111\u1ed3ng kh\u00f4ng ch\u1ee9a oxy (OFC) si\u00eau m\u1ea3nh, c\u00f3 s\u1ed1 s\u1ee3i cao (ch\u1eb3ng h\u1ea1n nh\u01b0 lo\u1ea1i 26 AWG, bao g\u1ed3m h\u00e0ng ch\u1ee5c ho\u1eb7c th\u1eadm ch\u00ed h\u00e0ng tr\u0103m s\u1ee3i \u0111\u1ed3ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u1edf m\u1ee9c micromet). K\u1ebft h\u1ee3p v\u1edbi l\u1edbp v\u1ecf b\u1ecdc PUR (polyurethane) ho\u1eb7c TPE (elastomer nhi\u1ec7t d\u1ebbo) c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ch\u1ed1ng r\u00e1ch cao, c\u00e1c c\u1ee5m c\u00e1p Ethernet c\u00f4ng nghi\u1ec7p linh ho\u1ea1t cao t\u00f9y ch\u1ec9nh n\u00e0y c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng x\u1eed l\u00fd b\u00e1n k\u00ednh u\u1ed1n c\u1ef1c nh\u1ecf v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c h\u00e0ng ch\u1ee5c tri\u1ec7u chu k\u1ef3 chuy\u1ec3n \u0111\u1ed9ng qua l\u1ea1i trong c\u00e1c chu\u1ed7i k\u00e9o t\u1ed1c \u0111\u1ed9 cao m\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ee9t.<\/p>\n

\u201cM\u1ea5t m\u00e1t do u\u1ed1n cong vi m\u00f4\u201d c\u1ee7a c\u00e1p quang v\u00e0 l\u1edbp b\u1ea3o v\u1ec7 ch\u1ed1ng k\u00e9o<\/h3>\n

M\u1eb7c d\u00f9 s\u1ee3i quang mang l\u1ea1i b\u0103ng th\u00f4ng \u0111\u00e1ng kinh ng\u1ea1c, nh\u01b0ng l\u00f5i c\u1ee7a ch\u00fang v\u1ec1 c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb silica (th\u1ee7y tinh). Khi b\u1ecb u\u1ed1n cong qu\u00e1 m\u1ee9c, s\u1ee3i quang kh\u00f4ng ch\u1ec9 d\u1ec5 b\u1ecb \u0111\u1ee9t m\u00e0 c\u00f2n g\u1eb7p ph\u1ea3i hi\u1ec7n t\u01b0\u1ee3ng \u201cm\u1ea5t t\u00edn hi\u1ec7u do u\u1ed1n cong vi m\u00f4\u201d (s\u1ef1 gia t\u0103ng \u0111\u1ed9t ng\u1ed9t c\u1ee7a \u0111\u1ed9 suy hao). \u0110\u1ec3 gi\u00fap s\u1ee3i quang ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, c\u1ea7n ph\u1ea3i \u00e1p d\u1ee5ng c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t t\u00f9y ch\u1ec9nh:<\/p>\n

C\u1ed1t th\u00e9p ch\u1ecbu k\u00e9o:<\/strong> S\u1ee3i Kevlar (s\u1ee3i aramid) c\u00f3 \u0111\u1ed9 b\u1ec1n cao \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y gi\u1eefa l\u00f5i s\u1ee3i v\u00e0 l\u1edbp v\u1ecf ngo\u00e0i. V\u1eadt li\u1ec7u n\u00e0y, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u00e1o ch\u1ed1ng \u0111\u1ea1n, h\u1ea5p th\u1ee5 ph\u1ea7n l\u1edbn l\u1ef1c k\u00e9o d\u1ecdc, t\u1eeb \u0111\u00f3 b\u1ea3o v\u1ec7 l\u00f5i th\u1ee7y tinh d\u1ec5 v\u1ee1.<\/p>\n

S\u1ee3i gia c\u1ed1:<\/strong> Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p n\u1eb7ng c\u00f3 m\u1ee9c \u0111\u1ed9 ph\u00e1 h\u1ee7y cao (ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1eefng n\u01a1i c\u00f3 nguy c\u01a1 d\u00e2y c\u00e1p b\u1ecb v\u1eadt n\u1eb7ng \u0111\u00e8 b\u1eb9p ho\u1eb7c b\u1ecb g\u1eb7m nh\u1ea5m), ch\u00fang t\u00f4i c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf ri\u00eang c\u00e1c b\u00f3 c\u00e1p quang b\u1ecdc gi\u00e1p v\u1edbi \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 g\u1ee3n s\u00f3ng d\u1ea1ng xo\u1eafn \u1ed1c b\u00ean trong. Thi\u1ebft k\u1ebf n\u00e0y v\u1eeba duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 linh ho\u1ea1t nh\u1ea5t \u0111\u1ecbnh, v\u1eeba mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e8 b\u1eb9p v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n

C\u00e1p Ethernet v\u00e0 c\u00e1p quang: H\u1ec7 sinh th\u00e1i \u0111\u1ea7u n\u1ed1i v\u00e0 b\u1ea3o v\u1ec7<\/h2>\n

\u0110\u1ed9 tin c\u1eady c\u1ee7a m\u1ed9t c\u1ee5m c\u00e1p d\u1eef li\u1ec7u th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o m\u1eaft x\u00edch y\u1ebfu nh\u1ea5t c\u1ee7a n\u00f3 \u2014 \u0111\u00f3 l\u00e0 \u0111\u1ea7u n\u1ed1i. Trong c\u00e1c x\u01b0\u1edfng s\u1ea3n xu\u1ea5t \u0111\u1ea7y b\u1ee5i, dung d\u1ecbch l\u00e0m m\u00e1t v\u00e0 rung \u0111\u1ed9ng m\u1ea1nh, c\u00e1c \u0111\u1ea7u n\u1ed1i nh\u1ef1a RJ45 hay \u0111\u1ea7u n\u1ed1i s\u1ee3i quang LC d\u1ec5 v\u1ee1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng v\u0103n ph\u00f2ng s\u1ebd kh\u00f4ng th\u1ec3 tr\u1ee5 \u0111\u01b0\u1ee3c qua m\u1ed9t ng\u00e0y l\u00e0m vi\u1ec7c.<\/p>\n

\u0110\u1ea7u n\u1ed1i Ethernet c\u00f4ng nghi\u1ec7p c\u00f3 v\u1ecf b\u1ecdc b\u1ea3o v\u1ec7: M12 X-code<\/h3>\n

\u0110\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u truy\u1ec1n d\u1eabn c\u1ee7a m\u1ea1ng Gigabit v\u00e0 th\u1eadm ch\u00ed 10-Gigabit Ethernet \u0111\u1ed3ng th\u1eddi tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ch\u1ed1ng n\u01b0\u1edbc v\u00e0 ch\u1ed1ng b\u1ee5i IP67\/IP68, \u0111\u1ea7u n\u1ed1i M12 X-code \u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n cho c\u00e1c c\u1ee5m c\u00e1p c\u00f4ng nghi\u1ec7p t\u00f9y ch\u1ec9nh. Khung ch\u1eafn ch\u00e9o b\u1eb1ng kim lo\u1ea1i h\u00ecnh ch\u1eef X b\u00ean trong gi\u00fap c\u00e1ch ly ho\u00e0n to\u00e0n b\u1ed1n c\u1eb7p d\u1eef li\u1ec7u v\u1ec1 m\u1eb7t v\u1eadt l\u00fd, gi\u1ea3m thi\u1ec3u nhi\u1ec5u xuy\u00ean \u00e2m t\u1ea7n s\u1ed1 cao; \u0111\u1ed3ng th\u1eddi, c\u01a1 ch\u1ebf kh\u00f3a ren ch\u1eafc ch\u1eafn mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng rung \u0111\u1ed9ng c\u01a1 h\u1ecdc m\u1ea1nh m\u1ebd v\u01b0\u1ee3t tr\u1ed9i. T\u1eeb c\u1ea3m bi\u1ebfn \u0111\u1ebfn c\u00f4ng t\u1eafc c\u00f4ng nghi\u1ec7p, h\u1ec7 th\u1ed1ng M12 \u0111\u00e3 thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 sinh th\u00e1i k\u1ebft n\u1ed1i c\u1ef1c k\u1ef3 v\u1eefng ch\u1eafc.<\/p>\n

C\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i c\u00e1p quang ch\u1ecbu va \u0111\u1eadp<\/h3>\n

Th\u00e1ch th\u1ee9c c\u1ed1t l\u00f5i \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i s\u1ee3i quang n\u1eb1m \u1edf t\u00ednh nh\u1ea1y c\u1ea3m c\u1ef1c cao c\u1ee7a ch\u00fang v\u1edbi b\u1ee5i b\u1ea9n \u2014 ch\u1ec9 m\u1ed9t h\u1ea1t b\u1ee5i nh\u1ecf tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ea7u s\u1ee3i quang c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. Khi thi\u1ebft k\u1ebf c\u00e1c c\u1ee5m c\u00e1p s\u1ee3i quang c\u00f4ng nghi\u1ec7p theo y\u00eau c\u1ea7u, ch\u00fang t\u00f4i th\u01b0\u1eddng \u00e1p d\u1ee5ng hai chi\u1ebfn l\u01b0\u1ee3c sau:<\/p>\n

\u0110\u1ea7u n\u1ed1i k\u00edn \u0111\u1ea1t ti\u00eau chu\u1ea9n IP:<\/strong> Ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c \u0111\u1ea7u n\u1ed1i ODVA ho\u1eb7c \u0111\u1ea7u n\u1ed1i LC ch\u1ecbu va \u0111\u1eadp, \u0111\u01b0\u1ee3c b\u1ecdc trong v\u1ecf ch\u1ed1ng n\u01b0\u1edbc si\u00eau b\u1ec1n v\u00e0 v\u00f2ng \u0111\u1ec7m O-ring \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1eb7t ti\u1ebfp x\u00fac b\u00ean trong \u0111\u01b0\u1ee3c c\u00e1ch ly ho\u00e0n to\u00e0n v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i sau khi gh\u00e9p n\u1ed1i.<\/p>\n

C\u00f4ng ngh\u1ec7 ch\u00f9m tia m\u1edf r\u1ed9ng:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng k\u1ebft n\u1ed1i t\u1ea7n su\u1ea5t cao ho\u1eb7c trong c\u00e1c m\u00f4i tr\u01b0\u1eddng qu\u00e2n s\u1ef1\/c\u00f4ng nghi\u1ec7p n\u1eb7ng c\u1ef1c k\u1ef3 kh\u1eafc nghi\u1ec7t, c\u00e1c \u0111\u1ea7u n\u1ed1i ch\u00f9m s\u00e1ng m\u1edf r\u1ed9ng s\u1eed d\u1ee5ng th\u1ea5u k\u00ednh \u0111\u1ec3 khu\u1ebfch \u0111\u1ea1i ch\u00f9m s\u00e1ng v\u00e0 truy\u1ec1n n\u00f3 qua khe h\u1edf kh\u00f4ng kh\u00ed. Ngay c\u1ea3 khi c\u00f3 m\u1ed9t l\u01b0\u1ee3ng b\u1ee5i nh\u1ecf b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, t\u00e1c \u0111\u1ed9ng l\u00ean ch\u00f9m s\u00e1ng \u0111\u00e3 \u0111\u01b0\u1ee3c khu\u1ebfch \u0111\u1ea1i l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 kh\u00f3 kh\u0103n trong vi\u1ec7c v\u1ec7 sinh khi b\u1ea3o tr\u00ec t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

C\u00e1p Ethernet v\u00e0 c\u00e1p quang: S\u1ef1 tr\u1ed7i d\u1eady c\u1ee7a c\u00e1c b\u1ed9 c\u00e1p lai<\/h2>\n

Trong thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf, c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 h\u1ec7 th\u1ed1ng th\u01b0\u1eddng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t t\u00ecnh hu\u1ed1ng kh\u00f3 x\u1eed: thi\u1ebft b\u1ecb ph\u1ea3i v\u1eeba cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n m\u1ea1nh \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 servo, v\u1eeba truy\u1ec1n t\u1ea3i lu\u1ed3ng video \u0111\u1ed9 n\u00e9t cao kh\u00f4ng b\u1ecb m\u1ea5t d\u1eef li\u1ec7u ho\u1eb7c t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n Ethernet qua c\u00e1p quang. Vi\u1ec7c s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng c\u00e1p ri\u00eang bi\u1ec7t kh\u00f4ng ch\u1ec9 \u0111\u00f2i h\u1ecfi s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ea7u n\u1ed1i g\u1ea5p \u0111\u00f4i v\u00e0 chi\u1ebfm g\u1ea5p \u0111\u00f4i kh\u00f4ng gian qu\u00fd gi\u00e1, m\u00e0 c\u00f2n l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

L\u00e0 d\u1ea1ng d\u00e2y c\u00e1p l\u1eafp r\u00e1p theo y\u00eau c\u1ea7u ti\u00ean ti\u1ebfn nh\u1ea5t, c\u00e1c c\u1ee5m d\u00e2y c\u00e1p lai gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 th\u00e1ch th\u1ee9c n\u00e0y.<\/p>\n

Nh\u1edd thi\u1ebft k\u1ebf khoa h\u1ecdc, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u00e9p \u0111\u00f9n ch\u00ednh x\u00e1c c\u00e1c d\u00e2y \u0111\u1ed3ng \u0111i\u1ec7n c\u00f3 ti\u1ebft di\u1ec7n l\u1edbn (ch\u1eb3ng h\u1ea1n nh\u01b0 10 AWG), d\u00e2y t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n v\u00e0 s\u1ee3i quang \u0111a l\u00f5i trong c\u00f9ng m\u1ed9t v\u1ecf b\u1ecdc c\u00e1p. Thi\u1ebft k\u1ebf t\u00edch h\u1ee3p n\u00e0y cho ph\u00e9p:<\/p>\n

Gi\u1ea3m \u0111\u00e1ng k\u1ec3 tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a h\u1ec7 th\u1ed1ng (\u0111i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng \u0111\u1ed1i v\u1edbi xe t\u1ef1 h\u00e0nh v\u00e0 robot nh\u1eb9).<\/p>\n

Th\u1eddi gian l\u1eafp \u0111\u1eb7t t\u1ea1i ch\u1ed7 \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn, v\u00ec c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp \u0111\u1ed3ng th\u1eddi k\u1ebft n\u1ed1i ngu\u1ed3n \u0111i\u1ec7n v\u00e0 d\u1eef li\u1ec7u ch\u1ec9 b\u1eb1ng m\u1ed9t k\u1ebft n\u1ed1i c\u1eafm l\u00e0 ch\u1ea1y.<\/p>\n

Lo\u1ea1i b\u1ecf nhi\u1ec5u \u0111i\u1ec7n t\u1eeb, v\u00ec t\u00edn hi\u1ec7u quang h\u1ecdc v\u1eabn kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng ngay c\u1ea3 khi c\u00e1c d\u00e2y \u0111i\u1ec7n cao \u00e1p n\u1eb1m g\u1ea7n s\u1ee3i quang.<\/p>\n

Vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c c\u1ee5m c\u00e1p lai l\u00e0 th\u1eed th\u00e1ch l\u1edbn nh\u1ea5t \u0111\u1ed1i v\u1edbi n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t c\u1ee7a m\u1ed9t nh\u00e0 m\u00e1y. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng ch\u1ec9 ph\u1ea3i th\u00e0nh th\u1ea1o k\u1ef9 thu\u1eadt u\u1ed1n \u00e9p ch\u00ednh x\u00e1c c\u00e1c \u0111\u1ea7u n\u1ed1i c\u00f3 ti\u1ebft di\u1ec7n l\u1edbn m\u00e0 c\u00f2n ph\u1ea3i s\u1edf h\u1eefu k\u1ef9 n\u0103ng \u0111\u00e1nh b\u00f3ng v\u00e0 ki\u1ec3m tra s\u1ee3i quang. H\u01a1n n\u1eefa, h\u1ecd ph\u1ea3i ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u1ed9 c\u0103ng b\u00ean trong trong qu\u00e1 tr\u00ecnh \u0111\u00f9n \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c s\u1ee3i \u0111\u1ed3ng n\u00e9n v\u00e0o s\u1ee3i quang khi di chuy\u1ec3n.<\/p>\n

Kho\u1ea3ng c\u00e1ch trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t c\u00e1p Ethernet v\u00e0 c\u00e1p quang: Chuy\u00ean m\u00f4n k\u1ef9 thu\u1eadt c\u1ee7a m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n

Trong qu\u00e1 tr\u00ecnh t\u00f9y ch\u1ec9nh c\u00e1c c\u1ee5m c\u00e1p d\u1eef li\u1ec7u d\u00e0nh cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, v\u1eabn t\u1ed3n t\u1ea1i m\u1ed9t kho\u1ea3ng c\u00e1ch \u0111\u00e1ng k\u1ec3 gi\u1eefa \u201ckh\u1ea3 n\u0103ng thi\u1ebft k\u1ebf\u201d v\u00e0 \u201cs\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t \u0111\u00e1ng tin c\u1eady\u201d. \u0110\u1ed1i v\u1edbi c\u00e1c c\u1ee5m c\u00e1p t\u00edn hi\u1ec7u t\u1ed1c \u0111\u1ed9 cao, vi\u1ec7c ki\u1ec3m tra t\u00ednh li\u00ean t\u1ee5c \u0111\u01a1n thu\u1ea7n l\u00e0 ho\u00e0n to\u00e0n kh\u00f4ng \u0111\u1ee7.<\/p>\n

M\u1ed9t \u0111\u1ed1i t\u00e1c chuy\u00ean nghi\u1ec7p trong l\u0129nh v\u1ef1c l\u1eafp r\u00e1p c\u00e1p c\u00f3 chuy\u00ean m\u00f4n k\u1ef9 thu\u1eadt c\u1ea7n ph\u1ea3i thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng ki\u1ec3m tra v\u00f2ng k\u00edn d\u1ef1a tr\u00ean t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 cao. T\u1ea1i JinHai<\/strong>, d\u00f9 l\u00e0 t\u00f9y ch\u1ec9nh c\u00e1c b\u1ed9 c\u00e1p Ethernet c\u00f4ng nghi\u1ec7p hay c\u00e1p quang, m\u1ed7i l\u00f4 s\u1ea3n ph\u1ea9m \u0111\u1ec1u ph\u1ea3i tr\u1ea3i qua c\u00e1c b\u00e0i ki\u1ec3m tra ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t:<\/p>\n

B\u1ed9 d\u00e2y c\u00e1p Ethernet:<\/strong> S\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb ki\u1ec3m tra m\u1ea1ng chuy\u00ean nghi\u1ec7p nh\u01b0 Fluke, ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh qu\u00e9t to\u00e0n di\u1ec7n c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 t\u1ed5n th\u1ea5t ph\u1ea3n x\u1ea1, t\u1ed5n th\u1ea5t ch\u00e8n v\u00e0 nhi\u1ec5u ch\u00e9o \u0111\u1ea7u g\u1ea7n (NEXT) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 \u0111i\u1ec3m n\u1ed1i n\u00e0o tr\u1edf th\u00e0nh \u0111i\u1ec3m ngh\u1ebdn tr\u1edf kh\u00e1ng \u0111\u1ed1i v\u1edbi c\u00e1c t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 cao.<\/p>\n

C\u00e1p quang<\/strong>: B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o ph\u1ea3n x\u1ea1 quang th\u1eddi gian (OTDR) v\u00e0 m\u00e1y \u0111o giao thoa, ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 \u0111o \u0111\u1ed9 suy hao t\u1eeb \u0111\u1ea7u n\u00e0y \u0111\u1ebfn \u0111\u1ea7u kia m\u00e0 c\u00f2n th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o h\u00ecnh h\u1ecdc 3D v\u1ec1 b\u00e1n k\u00ednh cong c\u1ee7a m\u1eb7t \u0111\u1ea7u v\u00e0 \u0111\u1ed9 l\u1ec7ch \u0111\u1ec9nh.<\/p>\n

\u0110\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng:<\/strong> T\u1ea5t c\u1ea3 c\u00e1c quy tr\u00ecnh b\u00f3c v\u1ecf, u\u1ed1n \u0111\u1ea7u v\u00e0 l\u1eafp r\u00e1p \u0111\u1ec1u tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5p nh\u1eadn IPC\/WHMA-A-620 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn tr\u00ean to\u00e0n c\u1ea7u v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c trong to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi s\u1ea3n ph\u1ea9m trong khu\u00f4n kh\u1ed5 c\u1ee7a Ti\u00eau chu\u1ea9n IATF 16949<\/a> h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

K\u1ebft lu\u1eadn<\/h2>\n

Tr\u00ean h\u00e0nh tr\u00ecnh ph\u00e1t tri\u1ec3n th\u1ebf h\u1ec7 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p v\u00e0 c\u00f4ng ngh\u1ec7 ti\u1ebfp theo, kh\u00f4ng c\u00f3 con \u0111\u01b0\u1eddng t\u1eaft n\u00e0o trong l\u0129nh v\u1ef1c truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u. D\u00f9 l\u00e0 l\u1ef1a ch\u1ecdn c\u00e1p Ethernet c\u00f3 l\u1edbp b\u1ea3o v\u1ec7 v\u1edbi \u0111\u1ed9 linh ho\u1ea1t cao, b\u1ec1n b\u1ec9, ch\u1ecbu l\u1ef1c k\u00e9o t\u1ed1t v\u00e0 d\u1ec5 l\u1eafp \u0111\u1eb7t \u0111\u1ea7u n\u1ed1i; c\u00e1p quang ch\u1ed1ng nhi\u1ec5u, b\u0103ng th\u00f4ng r\u1ed9ng v\u00e0 ch\u1ecbu va \u0111\u1eadp; hay c\u00e1c c\u1ee5m d\u00e2y c\u00e1p quang \u0111i\u1ec7n t\u1eed t\u00edch h\u1ee3p cao, th\u00ec c\u1ed1t l\u00f5i c\u1ee7a qu\u00e1 tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh lu\u00f4n ph\u1ea3i d\u1ef1a tr\u00ean c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf c\u1ee5 th\u1ec3.<\/p>\n

C\u00e1c b\u1ed9 c\u00e1p d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng s\u1ea3n ph\u1ea9m ti\u00eau chu\u1ea9n c\u00f3 s\u1eb5n tr\u00ean th\u1ecb tr\u01b0\u1eddng; ch\u00fang l\u00e0 c\u00e1c linh ki\u1ec7n k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang, quy\u1ebft \u0111\u1ecbnh gi\u1edbi h\u1ea1n t\u1ed1i \u0111a v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb. Vi\u1ec7c l\u1ef1a ch\u1ecdn nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9 c\u00e1p c\u00f3 n\u0103ng l\u1ef1c s\u00e2u r\u1ed9ng v\u1ec1 DFM (Thi\u1ebft k\u1ebf cho S\u1ea3n xu\u1ea5t), am hi\u1ec3u c\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m tra nghi\u00eam ng\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i nhanh ch\u00f3ng \u0111\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u ch\u1ebf t\u1ea1o m\u1eabu s\u1ebd gi\u00fap b\u1ea1n tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng r\u1ee7i ro ti\u1ec1m \u1ea9n trong h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1eebng bit d\u1eef li\u1ec7u \u0111\u1ec1u \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i \u0111\u1ebfn \u0111\u00edch m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 ch\u00ednh x\u00e1c, ngay c\u1ea3 trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p v\u00e0 rung \u0111\u1ed9ng m\u1ea1nh.<\/p>","protected":false},"excerpt":{"rendered":"

C\u00e1c ki\u1ebfn tr\u00fac s\u01b0 h\u1ec7 th\u1ed1ng v\u00e0 k\u1ef9 s\u01b0 \u0111i\u1ec7n th\u01b0\u1eddng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u1ea7y tranh c\u00e3i: li\u1ec7u h\u1ecd n\u00ean ch\u1ecdn c\u00e1c h\u1ec7 th\u1ed1ng c\u00e1p Ethernet c\u00f4ng nghi\u1ec7p (d\u1ef1a tr\u00ean c\u00e1p \u0111\u1ed3ng) \u0111ang kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n, hay n\u00ean chuy\u1ec3n sang s\u1eed d\u1ee5ng c\u00e1p quang v\u1edbi ti\u1ec1m n\u0103ng v\u00f4 h\u1ea1n?<\/p>","protected":false},"author":1,"featured_media":11420,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-11382","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/posts\/11382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/comments?post=11382"}],"version-history":[{"count":3,"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/posts\/11382\/revisions"}],"predecessor-version":[{"id":11457,"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/posts\/11382\/revisions\/11457"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/media\/11420"}],"wp:attachment":[{"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/media?parent=11382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/categories?post=11382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jinhaiharness.com\/vi\/wp-json\/wp\/v2\/tags?post=11382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}