{"id":3370,"date":"2025-04-09T09:59:23","date_gmt":"2025-04-09T09:59:23","guid":{"rendered":"https:\/\/commmesh.com\/?p=3370"},"modified":"2025-04-10T07:05:38","modified_gmt":"2025-04-10T07:05:38","slug":"optical-fibre-over-copper-cable","status":"publish","type":"post","link":"https:\/\/commmesh.com\/vi\/optical-fibre-over-copper-cable\/","title":{"rendered":"C\u00e1p quang v\u00e0 c\u00e1p \u0111\u1ed3ng: Lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n?"},"content":{"rendered":"

B\u1ea1n \u0111\u00e3 bao gi\u1edd t\u1ef1 h\u1ecfi \u0111i\u1ec1u g\u00ec khi\u1ebfn internet c\u1ee7a b\u1ea1n nhanh nh\u01b0 v\u1eady\u2014ho\u1eb7c t\u1ea1i sao \u0111\u00f4i khi n\u00f3 b\u1ecb ch\u1eadm? C\u00e2u tr\u1ea3 l\u1eddi th\u01b0\u1eddng n\u1eb1m \u1edf lo\u1ea1i c\u00e1p cung c\u1ea5p k\u1ebft n\u1ed1i c\u1ee7a b\u1ea1n: c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em>. C\u00e1p quang<\/em> s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u, trong khi c\u00e1p \u0111\u1ed3ng s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u \u0111i\u1ec7n v\u00e0 m\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m m\u1ea1nh v\u00e0 \u0111i\u1ec3m y\u1ebfu ri\u00eang. Trong h\u01b0\u1edbng d\u1eabn d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em>, kh\u00e1m ph\u00e1 t\u1ed1c \u0111\u1ed9, \u0111\u1ed9 tin c\u1eady, chi ph\u00ed v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa. Ch\u00fang t\u00f4i s\u1ebd gi\u1eef cho n\u00f3 \u0111\u01a1n gi\u1ea3n v\u00e0 h\u1ea5p d\u1eabn, \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y l\u00fd do t\u1ea1i sao l\u1ee3i \u00edch c\u1ee7a s\u1ee3i quang<\/em> \u0111ang chuy\u1ec3n \u0111\u1ed5i k\u1ebft n\u1ed1i. H\u00e3y b\u1eaft \u0111\u1ea7u t\u00ecm hi\u1ec3u c\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> v\u00e0 n\u00f3 so s\u00e1nh th\u1ebf n\u00e0o v\u1edbi \u0111\u1ed3ng!<\/p>\n\n\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/h2>\n\n\n\n

T\u1ed1c \u0111\u1ed9 v\u00e0 b\u0103ng th\u00f4ng cao h\u01a1n<\/h3>\n\n\n\n

Truy\u1ec1n d\u1eef li\u1ec7u nhanh nh\u01b0 ch\u1edbp<\/h4>\n\n\n\n

M\u1ed9t trong nh\u1eefng l\u1edbn nh\u1ea5t \u01b0u \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> l\u00e0 t\u1ed1c \u0111\u1ed9. C\u00e1p quang<\/em> c\u00f3 th\u1ec3 cung c\u1ea5p 10 Gbps tr\u00ean 20 km\u2014v\u00ed d\u1ee5, ch\u1ec9 v\u1edbi t\u1ed5n th\u1ea5t 0,2 dB\/km\u2014so v\u1edbi 1 Gbps c\u1ee7a \u0111\u1ed3ng tr\u00ean 100m\u2014v\u00ed d\u1ee5, t\u1ed5n th\u1ea5t 10 dB. \u0110i\u1ec1u n\u00e0y l\u00e0m cho c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> l\u00fd t\u01b0\u1edfng cho internet t\u1ed1c \u0111\u1ed9 cao\u2014v\u00ed d\u1ee5, ph\u00e1t tr\u1ef1c tuy\u1ebfn 4K tr\u00ean 5 thi\u1ebft b\u1ecb m\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ec7m\u2014tr\u00ecnh di\u1ec5n l\u1ee3i \u00edch c\u1ee7a s\u1ee3i quang<\/em>.<\/p>\n\n\n\n

Dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng l\u1edbn<\/h4>\n\n\n\n

C\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> cung c\u1ea5p b\u0103ng th\u00f4ng l\u1edbn\u2014v\u00ed d\u1ee5, dung l\u01b0\u1ee3ng 100 Tbps trong m\u1ed9t s\u1ee3i quang\u2014h\u1ed7 tr\u1ee3 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng\u2014v\u00ed d\u1ee5, 1 tri\u1ec7u ng\u01b0\u1eddi d\u00f9ng tr\u00ean m\u1ed7i c\u00e1p\u2014trong khi c\u00e1p \u0111\u1ed3ng g\u1eb7p kh\u00f3 kh\u0103n\u2014v\u00ed d\u1ee5, 10 Gbps \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa 100 ng\u01b0\u1eddi d\u00f9ng\u2014v\u00ed d\u1ee5, t\u1ed1c \u0111\u1ed9 gi\u1ea3m 20% trong gi\u1edd cao \u0111i\u1ec3m. \u01afu \u0111i\u1ec3m v\u1ec1 b\u0103ng th\u00f4ng n\u00e0y l\u00e0m cho c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> ho\u00e0n h\u1ea3o cho c\u00e1c \u1ee9ng d\u1ee5ng d\u1eef li\u1ec7u n\u1eb7ng nh\u01b0 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y\u2014v\u00ed d\u1ee5: l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp h\u00e0ng ng\u00e0y l\u00e0 100 TB.<\/p>\n\n\n\n

\"Internet<\/a>
Internet c\u00e1p quang so v\u1edbi c\u00e1p quang<\/figcaption><\/figure>\n\n\n\n

Kho\u1ea3ng c\u00e1ch xa h\u01a1n v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u<\/h3>\n\n\n\n

Truy\u1ec1n t\u1ea3i kho\u1ea3ng c\u00e1ch xa<\/h4>\n\n\n\n

Kh\u00e1c l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> l\u00e0 kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u qua kho\u1ea3ng c\u00e1ch xa m\u00e0 kh\u00f4ng b\u1ecb m\u1ea5t t\u00edn hi\u1ec7u\u2014v\u00ed d\u1ee5, m\u1ea5t 0,2 dB\/km tr\u00ean 20 km\u2014trong khi \u0111\u1ed3ng m\u1ea5t t\u00edn hi\u1ec7u nhanh\u2014v\u00ed d\u1ee5, m\u1ea5t 10 dB\/km, c\u1ea7n b\u1ed9 l\u1eb7p l\u1ea1i sau m\u1ed7i 1 km\u2014v\u00ed d\u1ee5, m\u1ed7i b\u1ed9 l\u1eb7p l\u1ea1i $1500. \u0110i\u1ec1u n\u00e0y l\u00e0m cho c\u00e1p quang<\/em> l\u00fd t\u01b0\u1edfng cho c\u00e1p ng\u1ea7m\u2014v\u00ed d\u1ee5, 10.000 km v\u1edbi th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,9%\u2014\u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em>.<\/p>\n\n\n\n

Suy gi\u1ea3m t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u<\/h4>\n\n\n\n

C\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> duy tr\u00ec c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u\u2014v\u00ed d\u1ee5, 1 Gbps \u1ed5n \u0111\u1ecbnh tr\u00ean 20 km\u2014v\u00ec t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng kh\u00f4ng b\u1ecb suy gi\u1ea3m nh\u01b0 t\u00edn hi\u1ec7u \u0111i\u1ec7n trong \u0111\u1ed3ng\u2014v\u00ed d\u1ee5, t\u00edn hi\u1ec7u 20% gi\u1ea3m tr\u00ean 1 km. \u0110\u1ed9 tin c\u1eady n\u00e0y\u2014v\u00ed d\u1ee5, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,99%\u2014l\u00e0m cho c\u00e1p quang<\/em> s\u1ef1 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng d\u00e0i\u2014v\u00ed d\u1ee5, k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ed1 ho\u1eb7c l\u1ee5c \u0111\u1ecba\u2014l\u00e0m n\u1ed5i b\u1eadt l\u1ee3i \u00edch c\u1ee7a s\u1ee3i quang<\/em>.<\/p>\n\n\n\n

Mi\u1ec5n nhi\u1ec5m v\u1edbi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb<\/h3>\n\n\n\n

Kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 can thi\u1ec7p<\/h4>\n\n\n\n

M\u1ed9t ch\u00eca kh\u00f3a l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> l\u00e0 kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m v\u1edbi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI). C\u00e1p quang<\/em> s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng\u2014v\u00ed d\u1ee5, b\u01b0\u1edbc s\u00f3ng 1310 nm\u2014do \u0111\u00f3 ch\u00fang kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi EMI\u2014v\u00ed d\u1ee5, kh\u00f4ng b\u1ecb m\u1ea5t t\u00edn hi\u1ec7u 20% g\u1ea7n \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n\u2014trong khi c\u00e1p \u0111\u1ed3ng b\u1ecb \u1ea3nh h\u01b0\u1edfng\u2014v\u00ed d\u1ee5, m\u1ea5t t\u00edn hi\u1ec7u 10% g\u1ea7n m\u00e1y m\u00f3c. \u0110i\u1ec1u n\u00e0y l\u00e0m cho c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> l\u00fd t\u01b0\u1edfng cho m\u00f4i tr\u01b0\u1eddng \u1ed3n \u00e0o nh\u01b0 nh\u00e0 m\u00e1y.<\/p>\n\n\n\n

An to\u00e0n \u1edf nh\u1eefng khu v\u1ef1c c\u00f3 nguy c\u01a1 cao<\/h4>\n\n\n\n

T\u1eeb c\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> kh\u00f4ng d\u1eabn \u0111i\u1ec7n, an to\u00e0n \u1edf nh\u1eefng khu v\u1ef1c c\u00f3 nguy c\u01a1 cao\u2014v\u00ed d\u1ee5, b\u1ec7nh vi\u1ec7n g\u1ea7n m\u00e1y MRI\u2014v\u00ed d\u1ee5, kh\u00f4ng c\u00f3 nhi\u1ec5u\u2014kh\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u1ed3ng, c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng thi\u1ebft b\u1ecb\u2014v\u00ed d\u1ee5, m\u1ea5t t\u00edn hi\u1ec7u 10%. \u01afu \u0111i\u1ec3m an to\u00e0n n\u00e0y c\u1ee7a c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady, v\u00ed d\u1ee5 nh\u01b0 ch\u1ea9n \u0111o\u00e1n y t\u1ebf.<\/p>\n\n\n\n

\"c\u00e1p<\/a>
c\u00e1p quang 1<\/figcaption><\/figure>\n\n\n\n

Thi\u1ebft k\u1ebf nh\u1eb9 v\u00e0 ti\u1ebft ki\u1ec7m kh\u00f4ng gian<\/h3>\n\n\n\n

C\u00e1p nh\u1eb9 h\u01a1n v\u00e0 m\u1ecfng h\u01a1n<\/h4>\n\n\n\n

C\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> cung c\u1ea5p thi\u1ebft k\u1ebf nh\u1eb9\u2014v\u00ed d\u1ee5, c\u00e1p quang 3m n\u1eb7ng 30g so v\u1edbi 100g \u0111\u1ed1i v\u1edbi c\u00e1p \u0111\u1ed3ng\u2014gi\u00fap l\u1eafp \u0111\u1eb7t d\u1ec5 d\u00e0ng h\u01a1n\u2014v\u00ed d\u1ee5, 20% nhanh h\u01a1n \u1edf nh\u1eefng kh\u00f4ng gian ch\u1eadt h\u1eb9p. \u0110\u00e2y l\u00e0 m\u1ed9t thi\u1ebft th\u1ef1c l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em>\u2014v\u00ed d\u1ee5, 50 km s\u1ee3i quang n\u1eb7ng 1 t\u1ea5n so v\u1edbi 3 t\u1ea5n c\u1ee7a \u0111\u1ed3ng\u2014gi\u1ea3m chi ph\u00ed v\u1eadn chuy\u1ec3n.<\/p>\n\n\n\n

M\u1eadt \u0111\u1ed9 c\u00e1p cao h\u01a1n<\/h4>\n\n\n\n

C\u00e1p quang<\/em> m\u1ecfng h\u01a1n\u2014v\u00ed d\u1ee5, 125 micron so v\u1edbi 1mm c\u1ee7a \u0111\u1ed3ng\u2014cho ph\u00e9p nhi\u1ec1u c\u00e1p h\u01a1n trong c\u00f9ng m\u1ed9t kh\u00f4ng gian\u2014v\u00ed d\u1ee5, 100 s\u1ee3i trong \u1ed1ng d\u1eabn 10mm so v\u1edbi 10 c\u00e1p \u0111\u1ed3ng\u2014ti\u1ebft ki\u1ec7m kh\u00f4ng gian\u2014v\u00ed d\u1ee5, 90% \u00edt kh\u00f4ng gian \u1ed1ng d\u1eabn h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u\u2014v\u00ed d\u1ee5: 400 Gbps trong kh\u00f4ng gian nh\u1ecf h\u01a1n\u2014t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng.<\/p>\n\n\n\n

\u0110\u1ed9 b\u1ec1n v\u00e0 tu\u1ed5i th\u1ecd<\/h3>\n\n\n\n

S\u1ee9c \u0111\u1ec1 kh\u00e1ng v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng<\/h4>\n\n\n\n

C\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> b\u1ec1n h\u01a1n\u2014v\u00ed d\u1ee5, c\u00e1p quang<\/em> ch\u1ed1ng \u1ea9m\u2014v\u00ed d\u1ee5, v\u1edbi gel ch\u1eb7n n\u01b0\u1edbc\u2014v\u00e0 ch\u1ed1ng \u0103n m\u00f2n\u2014v\u00ed d\u1ee5, tu\u1ed5i th\u1ecd 25 n\u0103m\u2014trong khi \u0111\u1ed3ng b\u1ecb \u0103n m\u00f2n\u2014v\u00ed d\u1ee5, m\u1ea5t t\u00edn hi\u1ec7u 20% sau 5 n\u0103m trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt. \u0110\u1ed9 b\u1ec1n n\u00e0y l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em>\u2014v\u00ed d\u1ee5, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,9% trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu kh\u1eafc nghi\u1ec7t\u2014\u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i.<\/p>\n\n\n\n

Tu\u1ed5i th\u1ecd d\u00e0i h\u01a1n<\/h4>\n\n\n\n

C\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> k\u00e9o d\u00e0i l\u00e2u h\u01a1n\u2014v\u00ed d\u1ee5, 25 n\u0103m so v\u1edbi 10 n\u0103m c\u1ee7a \u0111\u1ed3ng\u2014gi\u1ea3m chi ph\u00ed thay th\u1ebf\u2014v\u00ed d\u1ee5, ti\u1ebft ki\u1ec7m $5000\/km trong 20 n\u0103m. Tu\u1ed5i th\u1ecd n\u00e0y l\u00e0m cho c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> m\u1ed9t l\u1ef1a ch\u1ecdn c\u00f3 t\u00ednh t\u01b0\u01a1ng lai\u2014v\u00ed d\u1ee5, h\u1ed7 tr\u1ee3 nhu c\u1ea7u s\u1ee3i quang to\u00e0n c\u1ea7u 60% v\u00e0o n\u0103m 2030 (Statista)\u2014cung c\u1ea5p l\u1ee3i \u00edch c\u1ee7a s\u1ee3i quang<\/em>\u2014v\u00ed d\u1ee5, suy gi\u1ea3m 0,4 dB tr\u00ean 20 km.<\/p>\n\n\n\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/h2>\n\n\n\n

Chi ph\u00ed l\u1eafp \u0111\u1eb7t ban \u0111\u1ea7u cao h\u01a1n<\/h3>\n\n\n\n

V\u1eadt li\u1ec7u v\u00e0 thi\u1ebft b\u1ecb \u0111\u1eaft ti\u1ec1n<\/h4>\n\n\n\n

M\u1ed9t chuy\u00ean ng\u00e0nh ch\u00ednh nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> l\u00e0 chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n. C\u00e1p quang<\/em> s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u \u0111\u1eaft ti\u1ec1n\u2014v\u00ed d\u1ee5, $10\/kg cho silica tinh khi\u1ebft 99,999%\u2014so v\u1edbi $5\/kg c\u1ee7a \u0111\u1ed3ng\u2014v\u00ed d\u1ee5, $0,50\/m cho s\u1ee3i so v\u1edbi $0,30\/m cho \u0111\u1ed3ng. Thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y thu ph\u00e1t quang\u2014v\u00ed d\u1ee5, $100 m\u1ed7i m\u00e1y\u2014l\u00e0m t\u0103ng chi ph\u00ed\u2014v\u00ed d\u1ee5, $1,3 tri\u1ec7u cho 5000 ng\u00f4i nh\u00e0\u2014l\u00e0m c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> \u0111\u1eaft h\u01a1n l\u00fac \u0111\u1ea7u.<\/p>\n\n\n\n

Y\u00eau c\u1ea7u v\u1ec1 lao \u0111\u1ed9ng c\u00f3 tay ngh\u1ec1<\/h4>\n\n\n\n

C\u00e0i \u0111\u1eb7t c\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> y\u00eau c\u1ea7u lao \u0111\u1ed9ng l\u00e0nh ngh\u1ec1\u2014v\u00ed d\u1ee5, $5000\/km \u0111\u1ed1i v\u1edbi s\u1ee3i so v\u1edbi $3000\/km \u0111\u1ed1i v\u1edbi \u0111\u1ed3ng\u2014do nhu c\u1ea7u v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c\u2014v\u00ed d\u1ee5, m\u1ea5t m\u00e1t 0,1 dB t\u1ea1i c\u00e1c m\u1ed1i n\u1ed1i. \u0110i\u1ec1u n\u00e0y nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> t\u0103ng chi ph\u00ed\u2014v\u00ed d\u1ee5: 20% chi ph\u00ed nh\u00e2n c\u00f4ng cao h\u01a1n\u2014l\u00e0m cho \u0111\u1ed3ng tr\u1edf n\u00ean h\u1ee3p t\u00fai ti\u1ec1n h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n nh\u1ecf\u2014v\u00ed d\u1ee5: $150\/nh\u00e0 so v\u1edbi $260\/nh\u00e0\u2014CommMesh cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\n\n\n\n

\"c\u00e1p<\/a>
c\u00e1p \u0111\u1ed3ng<\/figcaption><\/figure>\n\n\n\n

S\u1ef1 mong manh v\u00e0 th\u00e1ch th\u1ee9c l\u1eafp \u0111\u1eb7t<\/h3>\n\n\n\n

S\u1ee3i quang m\u1ecfng manh<\/h4>\n\n\n\n

C\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> c\u00f3 th\u1ec3 d\u1ec5 v\u1ee1\u2014v\u00ed d\u1ee5, c\u00e1p quang<\/em> \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u1ee7y tinh\u2014v\u00ed d\u1ee5, d\u00e0y 125 micron\u2014v\u00e0 c\u00f3 th\u1ec3 v\u1ee1 n\u1ebfu x\u1eed l\u00fd kh\u00f4ng \u0111\u00fang c\u00e1ch\u2014v\u00ed d\u1ee5, m\u1ea5t 0,5 dB t\u1eeb c\u00e1c v\u1ebft u\u1ed1n cong nh\u1ecf\u2014trong khi \u0111\u1ed3ng ch\u1eafc ch\u1eafn h\u01a1n\u2014v\u00ed d\u1ee5, d\u00e0y 1mm, c\u00f3 th\u1ec3 u\u1ed1n cong. S\u1ef1 mong manh n\u00e0y l\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em>\u2014v\u00ed d\u1ee5, 10% r\u1ee7i ro cao h\u01a1n trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t\u2014y\u00eau c\u1ea7u x\u1eed l\u00fd c\u1ea9n th\u1eadn\u2014v\u00ed d\u1ee5, g\u0103ng tay v\u00e0 d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t ph\u1ee9c t\u1ea1p<\/h4>\n\n\n\n

C\u00e0i \u0111\u1eb7t c\u00e1p quang<\/em> ph\u1ee9c t\u1ea1p h\u01a1n\u2014v\u00ed d\u1ee5, vi\u1ec7c n\u1ed1i s\u1ee3i \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c\u2014v\u00ed d\u1ee5, t\u1ed5n th\u1ea5t 0,1 dB cho m\u1ed7i l\u1ea7n n\u1ed1i\u2014so v\u1edbi vi\u1ec7c u\u1ed1n \u0111\u01a1n gi\u1ea3n h\u01a1n c\u1ee7a \u0111\u1ed3ng\u2014v\u00ed d\u1ee5, 5 ph\u00fat cho m\u1ed7i k\u1ebft n\u1ed1i. \u0110i\u1ec1u n\u00e0y nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh tri\u1ec3n khai\u2014v\u00ed d\u1ee5, th\u1eddi gian l\u1eafp \u0111\u1eb7t 20% l\u00e2u h\u01a1n\u2014l\u00e0m cho \u0111\u1ed3ng d\u1ec5 l\u1eafp \u0111\u1eb7t h\u01a1n\u2014v\u00ed d\u1ee5, 100m trong 1 ng\u00e0y so v\u1edbi 2 ng\u00e0y \u0111\u1ed1i v\u1edbi c\u00e1p quang.<\/p>\n\n\n\n

C\u00f3 s\u1eb5n h\u1ea1n ch\u1ebf \u1edf m\u1ed9t s\u1ed1 khu v\u1ef1c<\/h3>\n\n\n\n

Tri\u1ec3n khai ch\u1eadm h\u01a1n \u1edf c\u00e1c v\u00f9ng n\u00f4ng th\u00f4n<\/h4>\n\n\n\n

M\u1ed8T nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> l\u00e0 t\u00ednh kh\u1ea3 d\u1ee5ng h\u1ea1n ch\u1ebf\u2014v\u00ed d\u1ee5, ch\u1ec9 c\u00f3 50% ph\u1ea1m vi ph\u1ee7 s\u00f3ng c\u1ee7a Hoa K\u1ef3 cho c\u00e1p quang v\u00e0o n\u0103m 2023 (FCC)\u2014so v\u1edbi ph\u1ea1m vi ph\u1ee7 s\u00f3ng 90% c\u1ee7a \u0111\u1ed3ng\u2014v\u00ed d\u1ee5, do c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y l\u00e0m cho c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> \u00edt kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn h\u01a1n \u1edf c\u00e1c v\u00f9ng n\u00f4ng th\u00f4n\u2014v\u00ed d\u1ee5: 30% \u00edt kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn c\u00e1p quang h\u01a1n\u2014n\u01a1i c\u00e1p \u0111\u1ed3ng ph\u1ed5 bi\u1ebfn h\u01a1n\u2014v\u00ed d\u1ee5: DSL 200 Mbps.<\/p>\n\n\n\n

Th\u00e1ch th\u1ee9c n\u00e2ng c\u1ea5p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/h4>\n\n\n\n

N\u00e2ng c\u1ea5p l\u00ean c\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> y\u00eau c\u1ea7u c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1edbi\u2014v\u00ed d\u1ee5, $1,3 tri\u1ec7u cho 5000 ng\u00f4i nh\u00e0\u2014trong khi \u0111\u1ed3ng s\u1eed d\u1ee5ng c\u00e1c \u0111\u01b0\u1eddng d\u00e2y hi\u1ec7n c\u00f3\u2014v\u00ed d\u1ee5, $150.000 \u0111\u1ec3 n\u00e2ng c\u1ea5p. \u0110i\u1ec1u n\u00e0y nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> tr\u00ec ho\u00e3n vi\u1ec7c \u00e1p d\u1ee5ng\u2014v\u00ed d\u1ee5, tri\u1ec3n khai trong 2 n\u0103m so v\u1edbi 6 th\u00e1ng \u0111\u1ed1i v\u1edbi \u0111\u1ed3ng\u2014h\u1ea1n ch\u1ebf l\u1ee3i \u00edch c\u1ee7a s\u1ee3i quang<\/em> \u1edf m\u1ed9t s\u1ed1 v\u00f9ng.<\/p>\n\n\n\n

Kh\u00f3 kh\u0103n trong b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa<\/h3>\n\n\n\n

K\u1ef9 n\u0103ng s\u1eeda ch\u1eefa chuy\u00ean bi\u1ec7t<\/h4>\n\n\n\n

S\u1eeda ch\u1eefa c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> kh\u00f3 h\u01a1n\u2014v\u00ed d\u1ee5, c\u00e1p quang<\/em> c\u1ea7n c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng nh\u01b0 m\u00e1y h\u00e0n c\u00e1p quang\u2014v\u00ed d\u1ee5, $5000 m\u1ed7i m\u00e1y\u2014v\u00e0 c\u00e1c k\u1ef9 n\u0103ng\u2014v\u00ed d\u1ee5, t\u1ed5n th\u1ea5t 0,1 dB cho m\u1ed7i m\u1ed1i n\u1ed1i\u2014trong khi s\u1eeda ch\u1eefa \u0111\u1ed3ng \u0111\u01a1n gi\u1ea3n h\u01a1n\u2014v\u00ed d\u1ee5, c\u00f4ng c\u1ee5 u\u1ed1n $50. \u0110i\u1ec1u n\u00e0y nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> t\u0103ng th\u1eddi gian ch\u1ebft\u2014v\u00ed d\u1ee5: 4 gi\u1edd so v\u1edbi 1 gi\u1edd \u0111\u1ed1i v\u1edbi \u0111\u1ed3ng\u2014\u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady\u2014v\u00ed d\u1ee5: th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,9%.<\/p>\n\n\n\n

Chi ph\u00ed s\u1eeda ch\u1eefa cao h\u01a1n<\/h4>\n\n\n\n

Chi ph\u00ed \u0111\u1ec3 s\u1eeda ch\u1eefa c\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> cao h\u01a1n\u2014v\u00ed d\u1ee5, $1000\/km \u0111\u1ed1i v\u1edbi c\u00e1p quang so v\u1edbi $200\/km \u0111\u1ed1i v\u1edbi \u0111\u1ed3ng\u2014do thi\u1ebft b\u1ecb v\u00e0 lao \u0111\u1ed9ng\u2014v\u00ed d\u1ee5, $500\/ng\u00e0y \u0111\u1ed1i v\u1edbi k\u1ef9 thu\u1eadt vi\u00ean. \u0110i\u1ec1u n\u00e0y nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> l\u00e0m cho vi\u1ec7c b\u1ea3o tr\u00ec t\u1ed1n k\u00e9m h\u01a1n\u2014v\u00ed d\u1ee5, chi ph\u00ed cao h\u01a1n 20%\u2014l\u00e0m cho \u0111\u1ed3ng ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n cho vi\u1ec7c s\u1eeda ch\u1eefa\u2014v\u00ed d\u1ee5, t\u1ed5ng c\u1ed9ng $500 so v\u1edbi $2000 cho s\u1ee3i quang.<\/p>\n\n\n\n

\"N\u1ed1i<\/a>
N\u1ed1i s\u1ee3i quang<\/figcaption><\/figure>\n\n\n\n

\u1ee8ng d\u1ee5ng m\u00e0 s\u1ee3i quang v\u01b0\u1ee3t tr\u1ed9i h\u01a1n \u0111\u1ed3ng<\/h2>\n\n\n\n

Internet t\u1ed1c \u0111\u1ed9 cao v\u00e0 vi\u1ec5n th\u00f4ng<\/h3>\n\n\n\n

C\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> v\u01b0\u1ee3t tr\u1ed9i trong vi\u1ec5n th\u00f4ng\u2014v\u00ed d\u1ee5, FTTH cung c\u1ea5p 1 Gbps cho 5000 ng\u00f4i nh\u00e0\u2014v\u00ed d\u1ee5, \u0111\u1ed9 tr\u1ec5 5 ms\u2014trong khi c\u00e1p \u0111\u1ed3ng g\u1eb7p kh\u00f3 kh\u0103n\u2014v\u00ed d\u1ee5, DSL 200 Mbps v\u1edbi m\u1ee9c gi\u1ea3m gi\u1edd cao \u0111i\u1ec3m 20%. \u0110i\u1ec1u n\u00e0y l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> \u0111\u1ea3m b\u1ea3o l\u1ee3i \u00edch c\u1ee7a s\u1ee3i quang<\/em>\u2014v\u00ed d\u1ee5: th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,99%\u2014\u0111\u1ec3 ph\u00e1t tr\u1ef1c tuy\u1ebfn v\u00e0 l\u00e0m vi\u1ec7c t\u1eeb xa\u2014v\u00ed d\u1ee5: 4K tr\u00ean 5 thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

Trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/h3>\n\n\n\n

Trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u, c\u00e1p quang<\/em> cung c\u1ea5p 40 Gbps tr\u00ean 300m\u2014v\u00ed d\u1ee5, m\u1ea5t m\u00e1t 0,1 dB\u2014so v\u1edbi 1 Gbps c\u1ee7a \u0111\u1ed3ng tr\u00ean 100m\u2014v\u00ed d\u1ee5, m\u1ea5t m\u00e1t 10 dB\u2014h\u1ed7 tr\u1ee3 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y\u2014v\u00ed d\u1ee5, l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp h\u00e0ng ng\u00e0y 100 TB. \u0110i\u1ec1u n\u00e0y l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> l\u00e0m cho c\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> l\u00fd t\u01b0\u1edfng\u2014v\u00ed d\u1ee5, \u0111\u1ed9 tr\u1ec5 1 ms\u2014cho m\u00e1y t\u00ednh hi\u1ec7u su\u1ea5t cao\u2014v\u00ed d\u1ee5, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,99%.<\/p>\n\n\n\n

M\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p v\u00e0 y t\u1ebf<\/h3>\n\n\n\n

C\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> t\u1ecfa s\u00e1ng trong c\u00e1c thi\u1ebft l\u1eadp c\u00f4ng nghi\u1ec7p\u2014v\u00ed d\u1ee5, 1 Gbps kh\u00f4ng m\u1ea5t t\u00edn hi\u1ec7u 20% g\u1ea7n m\u00e1y m\u00f3c\u2014v\u00e0 m\u00f4i tr\u01b0\u1eddng y t\u1ebf\u2014v\u00ed d\u1ee5, h\u00ecnh \u1ea3nh n\u1ed9i soi 1080p kh\u00f4ng c\u00f3 nhi\u1ec5u MRI\u2014do kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m EMI\u2014v\u00ed d\u1ee5, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,9%. \u0110i\u1ec1u n\u00e0y l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady\u2014v\u00ed d\u1ee5: \u0111\u1ed9 ch\u00ednh x\u00e1c ch\u1ea9n \u0111o\u00e1n 90%\u2014trong c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng.<\/p>\n\n\n\n

\"thi\u1ebft<\/a>
Engineer or technician checking fiber optic cables in internet splitter box.Fiber to the home equipment. FTTH internet fiber optics cables and cabinet.\t; Shutterstock ID 2303402045; purchase_order: -; job: -; client: -; other: –<\/figcaption><\/figure>\n\n\n\n

\u1ee8ng d\u1ee5ng m\u00e0 c\u00e1p \u0111\u1ed3ng v\u1eabn c\u00f2n c\u00f3 l\u1ee3i th\u1ebf<\/h2>\n\n\n\n

Thi\u1ebft l\u1eadp kho\u1ea3ng c\u00e1ch ng\u1eafn v\u00e0 chi ph\u00ed th\u1ea5p<\/h3>\n\n\n\n

\u0110\u1ed3ng v\u01b0\u1ee3t tr\u1ed9i \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn\u2014v\u00ed d\u1ee5, 1 Gbps tr\u00ean 100m\u2014v\u00ed d\u1ee5, $0.30\/m\u2014so v\u1edbi $0.50\/m c\u1ee7a c\u00e1p quang\u2014l\u00e0m cho n\u00f3 ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c thi\u1ebft l\u1eadp nh\u1ecf\u2014v\u00ed d\u1ee5, $150\/nh\u00e0 so v\u1edbi $260\/nh\u00e0. \u0110i\u1ec1u n\u00e0y nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> gi\u00fap c\u00e1p \u0111\u1ed3ng t\u1ed1t h\u01a1n cho c\u00e1c m\u1ea1ng c\u1ee5c b\u1ed9\u2014v\u00ed d\u1ee5: 200 Mbps trong c\u00e1c v\u0103n ph\u00f2ng nh\u1ecf\u2014n\u01a1i t\u1ed1c \u0111\u1ed9 cao kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng c\u0169 v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/h3>\n\n\n\n

\u0110\u1ed3ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3\u2014v\u00ed d\u1ee5: v\u00f9ng ph\u1ee7 s\u00f3ng 90%\u2014v\u00ed d\u1ee5: $150.000 \u0111\u1ec3 n\u00e2ng c\u1ea5p\u2014trong khi c\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> y\u00eau c\u1ea7u thi\u1ebft l\u1eadp m\u1edbi\u2014v\u00ed d\u1ee5, $1,3 tri\u1ec7u. \u0110i\u1ec1u n\u00e0y nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> l\u00e0m cho \u0111\u1ed3ng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u0169\u2014v\u00ed d\u1ee5, Modem DSL<\/a>\u2014tr\u00e1nh vi\u1ec7c \u0111\u1ea1i tu t\u1ed1n k\u00e9m\u2014v\u00ed d\u1ee5, tri\u1ec3n khai trong 6 th\u00e1ng so v\u1edbi 2 n\u0103m \u0111\u1ed1i v\u1edbi c\u00e1p quang.<\/p>\n\n\n\n

D\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eeda ch\u1eefa<\/h3>\n\n\n\n

Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n h\u01a1n c\u1ee7a Copper\u2014v\u00ed d\u1ee5, 100m trong 1 ng\u00e0y\u2014v\u00e0 s\u1eeda ch\u1eefa\u2014v\u00ed d\u1ee5, $200\/km\u2014so v\u1edbi \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1p quang\u2014v\u00ed d\u1ee5, 2 ng\u00e0y v\u00e0 $1000\/km\u2014l\u00e0m cho n\u00f3 th\u1ef1c t\u1ebf h\u01a1n cho c\u00e1c b\u1ea3n s\u1eeda l\u1ed7i nhanh\u2014v\u00ed d\u1ee5, th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng l\u00e0 1 gi\u1edd. \u0110i\u1ec1u n\u00e0y nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> \u01b0u ti\u00ean \u0111\u1ed3ng trong c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ea7n tri\u1ec3n khai nhanh\u2014v\u00ed d\u1ee5: thi\u1ebft l\u1eadp t\u1ea1m th\u1eddi v\u1edbi th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99%.<\/p>\n\n\n\n

\"s\u1ee3i<\/a>
s\u1ee3i quang 3<\/figcaption><\/figure>\n\n\n\n

T\u1ea1i sao n\u00ean ch\u1ecdn c\u00e1p quang thay v\u00ec c\u00e1p \u0111\u1ed3ng cho t\u01b0\u01a1ng lai?<\/h2>\n\n\n\n

K\u1ebft n\u1ed1i t\u01b0\u01a1ng lai<\/h3>\n\n\n\n

C\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> c\u00f3 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi t\u01b0\u01a1ng lai\u2014v\u00ed d\u1ee5, n\u00e2ng c\u1ea5p 10 Gbps m\u00e0 kh\u00f4ng c\u1ea7n c\u00e1p m\u1edbi\u2014v\u00ed d\u1ee5, ti\u1ebft ki\u1ec7m $5000\/km\u2014so v\u1edbi gi\u1edbi h\u1ea1n c\u1ee7a \u0111\u1ed3ng\u2014v\u00ed d\u1ee5, t\u1ed1i \u0111a 1 Gbps. \u0110i\u1ec1u n\u00e0y l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> h\u1ed7 tr\u1ee3 nhu c\u1ea7u d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng t\u0103ng\u2014v\u00ed d\u1ee5, nhu c\u1ea7u c\u00e1p quang to\u00e0n c\u1ea7u 60% v\u00e0o n\u0103m 2030 (Statista)\u2014\u0111\u1ea3m b\u1ea3o l\u1ee3i \u00edch c\u1ee7a s\u1ee3i quang<\/em>\u2014v\u00ed d\u1ee5: l\u01b0u l\u01b0\u1ee3ng 100 TB.<\/p>\n\n\n\n

H\u1ed7 tr\u1ee3 c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i<\/h3>\n\n\n\n

C\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> h\u1ed7 tr\u1ee3 5G\u2014v\u00ed d\u1ee5, \u0111\u01b0\u1eddng truy\u1ec1n ng\u01b0\u1ee3c 10 Gbps\u2014v\u00e0 IoT\u2014v\u00ed d\u1ee5, 1 tri\u1ec7u thi\u1ebft b\u1ecb tr\u00ean m\u1ed7i km\u00b2\u2014trong khi \u0111\u1ed3ng kh\u00f4ng th\u1ec3 theo k\u1ecbp\u2014v\u00ed d\u1ee5, gi\u1edbi h\u1ea1n 500 Mbps. \u0110i\u1ec1u n\u00e0y l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em> l\u00e0m cho n\u00f3 tr\u1edf n\u00ean c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ed1 th\u00f4ng minh\u2014v\u00ed d\u1ee5: th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99.99%\u2014th\u00fac \u0111\u1ea9y \u0111\u1ed5i m\u1edbi\u2014v\u00ed d\u1ee5: \u00edt tai n\u1ea1n h\u01a1n v\u1edbi h\u1ec7 th\u1ed1ng giao th\u00f4ng 20%.<\/p>\n\n\n\n

Hi\u1ec7u qu\u1ea3 chi ph\u00ed d\u00e0i h\u1ea1n<\/h3>\n\n\n\n

M\u1eb7c d\u00f9 chi ph\u00ed tr\u1ea3 tr\u01b0\u1edbc cao h\u01a1n, c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> ti\u1ebft ki\u1ec7m ti\u1ec1n trong d\u00e0i h\u1ea1n\u2014v\u00ed d\u1ee5, b\u1ea3o tr\u00ec $1000\/km so v\u1edbi $10.000\/km cho \u0111\u1ed3ng\u2014thu h\u1ed3i $1,3 tri\u1ec7u trong 5 n\u0103m. \u0110i\u1ec1u n\u00e0y l\u1ee3i th\u1ebf c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em>\u2014v\u00ed d\u1ee5, tu\u1ed5i th\u1ecd 25 n\u0103m\u2014l\u00e0m cho c\u00e1p quang<\/em> m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 th\u00f4ng minh\u2014v\u00ed d\u1ee5, ti\u1ebft ki\u1ec7m $5000\/km khi n\u00e2ng c\u1ea5p.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn: C\u00e2n nh\u1eafc c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/h2>\n\n\n\n

L\u1ef1a ch\u1ecdn c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng<\/em> gi\u1ed1ng nh\u01b0 vi\u1ec7c ch\u1ecdn m\u1ed9t chuy\u1ebfn t\u00e0u cao t\u1ed1c thay v\u00ec m\u1ed9t c\u1ed7 xe ng\u1ef1a\u2014t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i \u0111\u00e3 kh\u00e1m ph\u00e1 \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang so v\u1edbi c\u00e1p \u0111\u1ed3ng<\/em>\u2014t\u1eeb t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady \u0111\u1ebfn chi ph\u00ed v\u00e0 l\u1eafp \u0111\u1eb7t\u2014cho th\u1ea5y l\u00fd do t\u1ea1i sao c\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/em> th\u01b0\u1eddng l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n. V\u1edbi l\u1ee3i \u00edch c\u1ee7a s\u1ee3i quang<\/em> nh\u01b0 t\u1ed1c \u0111\u1ed9 10 Gbps v\u00e0 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99.99% c\u00e1p quang<\/em> \u0111ang \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a k\u1ebft n\u1ed1i. Cho d\u00f9 b\u1ea1n \u0111ang ph\u00e1t tr\u1ef1c tuy\u1ebfn, l\u00e0m vi\u1ec7c hay x\u00e2y d\u1ef1ng th\u00e0nh ph\u1ed1 th\u00f4ng minh, vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 so s\u00e1nh n\u00e0y s\u1ebd gi\u00fap b\u1ea1n \u0111\u01b0a ra l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn\u2014ch\u1ea5p nh\u1eadn c\u00f4ng ngh\u1ec7 ph\u00f9 h\u1ee3p v\u1edbi th\u1ebf gi\u1edbi c\u1ee7a b\u1ea1n!<\/p>","protected":false},"excerpt":{"rendered":"

B\u1ea1n \u0111\u00e3 bao gi\u1edd t\u1ef1 h\u1ecfi \u0111i\u1ec1u g\u00ec khi\u1ebfn internet c\u1ee7a b\u1ea1n nhanh nh\u01b0 v\u1eady\u2014hay t\u1ea1i sao \u0111\u00f4i khi n\u00f3 l\u1ea1i ch\u1eadm? C\u00e2u tr\u1ea3 l\u1eddi th\u01b0\u1eddng n\u1eb1m \u1edf lo\u1ea1i c\u00e1p cung c\u1ea5p k\u1ebft n\u1ed1i c\u1ee7a b\u1ea1n: c\u00e1p quang tr\u00ean c\u00e1p \u0111\u1ed3ng. C\u00e1p quang s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u, trong khi c\u00e1p \u0111\u1ed3ng s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u \u0111i\u1ec7n v\u00e0 m\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m m\u1ea1nh v\u00e0 \u0111i\u1ec3m y\u1ebfu ri\u00eang. Trong h\u01b0\u1edbng d\u1eabn d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u n\u00e0y [\u2026]<\/p>","protected":false},"author":1,"featured_media":3216,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"34","_seopress_titles_title":"Optical Fibre VS Copper Cable: Which Is Better?","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[34],"tags":[],"class_list":["post-3370","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/3370","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/comments?post=3370"}],"version-history":[{"count":15,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/3370\/revisions"}],"predecessor-version":[{"id":3394,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/3370\/revisions\/3394"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/media\/3216"}],"wp:attachment":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/media?parent=3370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/categories?post=3370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/tags?post=3370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}