{"id":144,"date":"2023-01-04T14:23:21","date_gmt":"2023-01-04T07:23:21","guid":{"rendered":"https:\/\/profiber.123websitedev.com\/?post_type=solution&p=144"},"modified":"2023-02-20T13:35:50","modified_gmt":"2023-02-20T06:35:50","slug":"wdm-solution","status":"publish","type":"solution","link":"https:\/\/quangcable.123websitedemo.com\/vi\/solution\/wdm-solution\/","title":{"rendered":"Gi\u1ea3i ph\u00e1p WDM"},"content":{"rendered":"

\"WDM<\/p>\n

S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a DWDM l\u00e0 m\u1ed9t trong nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng quan tr\u1ecdng v\u00e0 g\u1ea7n \u0111\u00e2y nh\u1ea5t trong s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn c\u00e1p quang. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a c\u00f4ng ngh\u1ec7 DWDM, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c th\u00e0nh ph\u1ea7n, b\u1ed9 khu\u1ebfch \u0111\u1ea1i quang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng DWDM, v.v.<\/p>\n

Th\u00e0nh ph\u1ea7n v\u00e0 ho\u1ea1t \u0111\u1ed9ng<\/strong><\/p>\n

DWDM l\u00e0 c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i trong m\u1ea1ng truy\u1ec1n t\u1ea3i quang. C\u00e1c th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a DWDM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo v\u1ecb tr\u00ed c\u1ee7a ch\u00fang trong h\u1ec7 th\u1ed1ng. V\u1ec1 ph\u00eda truy\u1ec1n, c\u00f3 c\u00e1c tia laser v\u1edbi b\u01b0\u1edbc s\u00f3ng ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh. Tr\u00ean li\u00ean k\u1ebft, c\u00f3 s\u1ee3i quang th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t truy\u1ec1n v\u00e0 suy hao th\u1ea5p trong ph\u1ed5 b\u01b0\u1edbc s\u00f3ng ph\u00f9 h\u1ee3p, ngo\u00e0i ra c\u00f2n c\u00f3 b\u1ed9 khu\u1ebfch \u0111\u1ea1i quang khu\u1ebfch \u0111\u1ea1i ph\u1eb3ng \u0111\u1ec3 t\u0103ng t\u00edn hi\u1ec7u trong kho\u1ea3ng th\u1eddi gian d\u00e0i h\u01a1n. \u1ede ph\u00eda nh\u1eadn, c\u00f3 b\u1ed9 t\u00e1ch s\u00f3ng quang v\u00e0 b\u1ed9 t\u00e1ch k\u00eanh s\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc m\u00e0ng m\u1ecfng ho\u1eb7c ph\u1ea7n t\u1eed nhi\u1ec5u x\u1ea1. B\u00ean c\u1ea1nh c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 gh\u00e9p k\u00eanh th\u00eam\/th\u1ea3 quang v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n k\u1ebft n\u1ed1i ch\u00e9o quang.<\/p>\n

C\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a s\u1ee3i quang l\u00e0 d\u1eabn s\u00f3ng \u00e1nh s\u00e1ng v\u1edbi \u0111\u1ed9 suy gi\u1ea3m t\u1ed1i thi\u1ec3u (m\u1ea5t t\u00edn hi\u1ec7u). S\u1ee3i \u0111a mode v\u00e0 s\u1ee3i \u0111\u01a1n mode l\u00e0 hai lo\u1ea1i s\u1ee3i quang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. S\u1ee3i quang \u0111\u01a1n mode c\u00f3 l\u00f5i nh\u1ecf h\u01a1n nhi\u1ec1u ch\u1ec9 cho ph\u00e9p m\u1ed9t ch\u1ebf \u0111\u1ed9 \u00e1nh s\u00e1ng t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m \u0111i qua l\u00f5i. Do \u0111\u00f3, \u0111\u1ed9 trung th\u1ef1c c\u1ee7a t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c duy tr\u00ec t\u1ed1t h\u01a1n trong kho\u1ea3ng c\u00e1ch xa h\u01a1n v\u00e0 s\u1ef1 ph\u00e2n t\u00e1n ph\u01b0\u01a1ng th\u1ee9c gi\u1ea3m \u0111i \u0111\u00e1ng k\u1ec3. C\u00e1c y\u1ebfu t\u1ed1 n\u00e0y quy cho dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng cao h\u01a1n so v\u1edbi kh\u1ea3 n\u0103ng c\u1ee7a s\u1ee3i \u0111a mode. V\u1edbi kh\u1ea3 n\u0103ng mang th\u00f4ng tin l\u1edbn v\u00e0 suy hao n\u1ed9i t\u1ea1i th\u1ea5p, c\u00e1c s\u1ee3i quang \u0111\u01a1n mode \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00e1c \u1ee9ng d\u1ee5ng b\u0103ng th\u00f4ng r\u1ed9ng h\u01a1n v\u00e0 kho\u1ea3ng c\u00e1ch xa h\u01a1n, bao g\u1ed3m c\u1ea3 DWDM.<\/p>\n

\"WDM<\/p>\n

B\u1ed9 khu\u1ebfch \u0111\u1ea1i s\u1ee3i quang pha t\u1ea1p Erbium (EDFA)<\/strong><\/p>\n

B\u1eb1ng c\u00e1ch cho ph\u00e9p mang t\u1ea3i tr\u1ecdng l\u1edbn m\u00e0 DWDM c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n qua kho\u1ea3ng c\u00e1ch xa, EDFA l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 k\u00edch ho\u1ea1t ch\u00ednh. Erbium l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm, khi b\u1ecb k\u00edch th\u00edch s\u1ebd ph\u00e1t ra \u00e1nh s\u00e1ng c\u00f3 k\u00edch th\u01b0\u1edbc kho\u1ea3ng 1,54 micromet\u2014b\u01b0\u1edbc s\u00f3ng t\u1ed5n th\u1ea5t th\u1ea5p cho c\u00e1c s\u1ee3i quang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong DWDM. H\u00ecnh d\u01b0\u1edbi \u0111\u00e2y cho th\u1ea5y s\u01a1 \u0111\u1ed3 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u1ee7a EDFA. M\u1ed9t t\u00edn hi\u1ec7u y\u1ebfu \u0111i v\u00e0o s\u1ee3i quang pha t\u1ea1p erbium, trong \u0111\u00f3 \u00e1nh s\u00e1ng \u1edf b\u01b0\u1edbc s\u00f3ng 980 nm ho\u1eb7c 1480 nm \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o b\u1eb1ng laser b\u01a1m. \u00c1nh s\u00e1ng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o n\u00e0y k\u00edch th\u00edch c\u00e1c nguy\u00ean t\u1eed erbium gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng d\u1ef1 tr\u1eef c\u1ee7a ch\u00fang d\u01b0\u1edbi d\u1ea1ng \u00e1nh s\u00e1ng 1550-nm b\u1ed5 sung. Khi qu\u00e1 tr\u00ecnh n\u00e0y ti\u1ebfp t\u1ee5c \u0111i xu\u1ed1ng s\u1ee3i quang, t\u00edn hi\u1ec7u s\u1ebd ph\u00e1t tri\u1ec3n m\u1ea1nh h\u01a1n.<\/p>\n

 <\/p>\n

B\u1ed9 gh\u00e9p k\u00eanh v\u00e0 b\u1ed9 t\u00e1ch k\u00eanh<\/strong><\/p>\n

Khi c\u00e1c h\u1ec7 th\u1ed1ng DWDM g\u1eedi t\u00edn hi\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n qua m\u1ed9t s\u1ee3i quang, ch\u00fang ph\u1ea3i bao g\u1ed3m m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ec3 k\u1ebft h\u1ee3p c\u00e1c t\u00edn hi\u1ec7u \u0111\u1ebfn. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi m\u1ed9t b\u1ed9 gh\u00e9p k\u00eanh, l\u1ea5y c\u00e1c b\u01b0\u1edbc s\u00f3ng quang h\u1ecdc t\u1eeb nhi\u1ec1u s\u1ee3i quang v\u00e0 h\u1ed9i t\u1ee5 ch\u00fang th\u00e0nh m\u1ed9t ch\u00f9m. \u1ede \u0111\u1ea7u nh\u1eadn, h\u1ec7 th\u1ed1ng ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng t\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a \u00e1nh s\u00e1ng \u0111\u1ec3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n ch\u00fang m\u1ed9t c\u00e1ch k\u00edn \u0111\u00e1o. B\u1ed9 t\u00e1ch k\u00eanh th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng n\u00e0y b\u1eb1ng c\u00e1ch t\u00e1ch ch\u00f9m tia nh\u1eadn \u0111\u01b0\u1ee3c th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n b\u01b0\u1edbc s\u00f3ng c\u1ee7a n\u00f3 v\u00e0 gh\u00e9p ch\u00fang v\u00e0o c\u00e1c s\u1ee3i ri\u00eang l\u1ebb. Vi\u1ec7c t\u00e1ch k\u00eanh ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n, b\u1edfi v\u00ec b\u1ed9 t\u00e1ch s\u00f3ng quang v\u1ed1n l\u00e0 thi\u1ebft b\u1ecb b\u0103ng th\u00f4ng r\u1ed9ng kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n c\u00f3 ch\u1ecdn l\u1ecdc m\u1ed9t b\u01b0\u1edbc s\u00f3ng duy nh\u1ea5t.<\/p>\n

Trong m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01a1n h\u01b0\u1edbng, c\u00f3 m\u1ed9t b\u1ed9 gh\u00e9p k\u00eanh \u1edf \u0111\u1ea7u g\u1eedi v\u00e0 m\u1ed9t b\u1ed9 t\u00e1ch k\u00eanh \u1edf \u0111\u1ea7u nh\u1eadn \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y. Hai h\u1ec7 th\u1ed1ng s\u1ebd \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u1edf m\u1ed7i \u0111\u1ea7u \u0111\u1ec3 li\u00ean l\u1ea1c hai chi\u1ec1u v\u00e0 s\u1ebd c\u1ea7n hai s\u1ee3i ri\u00eang bi\u1ec7t.<\/p>\n

 <\/p>\n

Trong m\u1ed9t h\u1ec7 th\u1ed1ng hai chi\u1ec1u, c\u00f3 m\u1ed9t b\u1ed9 gh\u00e9p k\u00eanh\/b\u1ed9 t\u00e1ch k\u00eanh \u1edf m\u1ed7i \u0111\u1ea7u v\u00e0 giao ti\u1ebfp qua m\u1ed9t c\u1eb7p s\u1ee3i quang.<\/p>\n

 <\/p>\n

B\u1ed9 gh\u00e9p k\u00eanh v\u00e0 b\u1ed9 t\u00e1ch k\u00eanh c\u00f3 th\u1ec3 l\u00e0 th\u1ee5 \u0111\u1ed9ng ho\u1eb7c t\u00edch c\u1ef1c trong thi\u1ebft k\u1ebf. Thi\u1ebft k\u1ebf th\u1ee5 \u0111\u1ed9ng d\u1ef1a tr\u00ean l\u0103ng k\u00ednh, c\u00e1ch t\u1eed nhi\u1ec5u x\u1ea1 ho\u1eb7c b\u1ed9 l\u1ecdc, trong khi thi\u1ebft k\u1ebf ch\u1ee7 \u0111\u1ed9ng k\u1ebft h\u1ee3p c\u00e1c thi\u1ebft b\u1ecb th\u1ee5 \u0111\u1ed9ng v\u1edbi b\u1ed9 l\u1ecdc c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c.<\/p>\n

B\u1ed9 gh\u00e9p k\u00eanh th\u00eam\/th\u1ea3 quang (OADM)<\/strong><\/p>\n

Gi\u1eefa c\u00e1c \u0111i\u1ec3m gh\u00e9p k\u00eanh v\u00e0 t\u00e1ch k\u00eanh trong h\u1ec7 th\u1ed1ng DWDM, c\u00f3 m\u1ed9t khu v\u1ef1c t\u1ed3n t\u1ea1i nhi\u1ec1u b\u01b0\u1edbc s\u00f3ng. Ng\u01b0\u1eddi ta th\u01b0\u1eddng mong mu\u1ed1n c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf ho\u1eb7c ch\u00e8n m\u1ed9t ho\u1eb7c nhi\u1ec1u b\u01b0\u1edbc s\u00f3ng t\u1ea1i m\u1ed9t s\u1ed1 \u0111i\u1ec3m d\u1ecdc theo kho\u1ea3ng n\u00e0y. B\u1ed9 gh\u00e9p k\u00eanh th\u00eam\/th\u1ea3 quang th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng n\u00e0y. Thay v\u00ec k\u1ebft h\u1ee3p ho\u1eb7c t\u00e1ch t\u1ea5t c\u1ea3 c\u00e1c b\u01b0\u1edbc s\u00f3ng, OADM c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf m\u1ed9t s\u1ed1 trong khi truy\u1ec1n c\u00e1c b\u01b0\u1edbc s\u00f3ng kh\u00e1c. OADM l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c h\u01b0\u1edbng t\u1edbi m\u1ee5c ti\u00eau c\u1ee7a c\u00e1c m\u1ea1ng to\u00e0n quang.<\/p>\n

 <\/p>\n

C\u00f3 hai lo\u1ea1i OADM chung. Th\u1ebf h\u1ec7 \u0111\u1ea7u ti\u00ean l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh v\u1eadt l\u00fd \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c b\u01b0\u1edbc s\u00f3ng x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc c\u1ee5 th\u1ec3 trong khi th\u00eam c\u00e1c b\u01b0\u1edbc s\u00f3ng kh\u00e1c. Th\u1ebf h\u1ec7 th\u1ee9 hai c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh l\u1ea1i v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng l\u1ef1a ch\u1ecdn b\u01b0\u1edbc s\u00f3ng n\u00e0o \u0111\u01b0\u1ee3c th\u00eam v\u00e0o v\u00e0 lo\u1ea1i b\u1ecf.<\/p>\n

Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng DWDM d\u1ef1a tr\u00ean b\u1ed9 ph\u00e1t \u0111\u00e1p<\/strong><\/p>\n

Trong h\u1ec7 th\u1ed1ng DWDM, m\u1ed9t b\u1ed9 ph\u00e1t \u0111\u00e1p s\u1ebd chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u quang c\u1ee7a m\u00e1y kh\u00e1ch. H\u00ecnh \u1ea3nh sau \u0111\u00e2y cho th\u1ea5y ho\u1ea1t \u0111\u1ed9ng t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i c\u1ee7a h\u1ec7 th\u1ed1ng DWDM m\u1ed9t chi\u1ec1u.<\/p>\n

 <\/p>\n

C\u00e1c b\u01b0\u1edbc sau \u0111\u00e2y m\u00f4 t\u1ea3 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong h\u00ecnh tr\u00ean.<\/p>\n

1. B\u1ed9 ph\u00e1t \u0111\u00e1p ch\u1ea5p nh\u1eadn \u0111\u1ea7u v\u00e0o \u1edf d\u1ea1ng laser \u0111\u01a1n mode ho\u1eb7c \u0111a mode ti\u00eau chu\u1ea9n. \u0110\u1ea7u v\u00e0o c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n v\u1eadt l\u00fd kh\u00e1c nhau, c\u00e1c giao th\u1ee9c v\u00e0 lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng kh\u00e1c nhau.<\/p>\n

2. B\u01b0\u1edbc s\u00f3ng c\u1ee7a m\u1ed7i t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 t\u1edbi b\u01b0\u1edbc s\u00f3ng DWDM.<\/p>\n

3. C\u00e1c b\u01b0\u1edbc s\u00f3ng DWDM t\u1eeb b\u1ed9 ph\u00e1t \u0111\u00e1p \u0111\u01b0\u1ee3c gh\u00e9p th\u00e0nh m\u1ed9t t\u00edn hi\u1ec7u quang duy nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1ee3i quang. H\u1ec7 th\u1ed1ng c\u0169ng c\u00f3 th\u1ec3 bao g\u1ed3m kh\u1ea3 n\u0103ng ch\u1ea5p nh\u1eadn t\u00edn hi\u1ec7u quang tr\u1ef1c ti\u1ebfp \u0111\u1ebfn b\u1ed9 gh\u00e9p k\u00eanh; c\u00e1c t\u00edn hi\u1ec7u nh\u01b0 v\u1eady c\u00f3 th\u1ec3 \u0111\u1ebfn, v\u00ed d\u1ee5, t\u1eeb m\u1ed9t n\u00fat v\u1ec7 tinh.<\/p>\n

4. B\u1ed9 khu\u1ebfch \u0111\u1ea1i sau gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a t\u00edn hi\u1ec7u quang khi n\u00f3 r\u1eddi kh\u1ecfi h\u1ec7 th\u1ed1ng (t\u00f9y ch\u1ecdn).<\/p>\n

5. B\u1ed9 khu\u1ebfch \u0111\u1ea1i quang h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng d\u1ecdc theo s\u1ee3i quang khi c\u1ea7n thi\u1ebft (t\u00f9y ch\u1ecdn).<\/p>\n

6. B\u1ed9 ti\u1ec1n khu\u1ebfch \u0111\u1ea1i t\u0103ng c\u01b0\u1eddng t\u00edn hi\u1ec7u tr\u01b0\u1edbc khi t\u00edn hi\u1ec7u \u0111i v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u1ea7u cu\u1ed1i (t\u00f9y ch\u1ecdn).<\/p>\n

7. T\u00edn hi\u1ec7u \u0111\u1ebfn \u0111\u01b0\u1ee3c t\u00e1ch k\u00eanh th\u00e0nh c\u00e1c lambda DWDM ri\u00eang l\u1ebb (ho\u1eb7c b\u01b0\u1edbc s\u00f3ng).<\/p>\n

8. C\u00e1c lambda DWDM ri\u00eang l\u1ebb \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 t\u1edbi lo\u1ea1i \u0111\u1ea7u ra \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u (v\u00ed d\u1ee5: s\u1ee3i quang \u0111\u01a1n mode OC-48) v\u00e0 \u0111\u01b0\u1ee3c g\u1eedi \u0111i qua b\u1ed9 ph\u00e1t \u0111\u00e1p.<\/p>","protected":false},"excerpt":{"rendered":"

The emergence of DWDM is one of the most recent and important phenomena in the development of fiber optic transmission technology. This tutorial will introduce the fundamentals of DWDM technology, such as the components, optical amplifiers used in DWDM system, etc. Components and Operation DWDM is a core technology in an optical transport network. The […]<\/p>","protected":false},"featured_media":1921,"parent":0,"menu_order":0,"template":"","_links":{"self":[{"href":"https:\/\/quangcable.123websitedemo.com\/vi\/wp-json\/wp\/v2\/solution\/144"}],"collection":[{"href":"https:\/\/quangcable.123websitedemo.com\/vi\/wp-json\/wp\/v2\/solution"}],"about":[{"href":"https:\/\/quangcable.123websitedemo.com\/vi\/wp-json\/wp\/v2\/types\/solution"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quangcable.123websitedemo.com\/vi\/wp-json\/wp\/v2\/media\/1921"}],"wp:attachment":[{"href":"https:\/\/quangcable.123websitedemo.com\/vi\/wp-json\/wp\/v2\/media?parent=144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}