{"id":5949,"date":"2025-06-11T00:00:00","date_gmt":"2025-06-11T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/dwdm-tunable-optical-transceiver-modules\/"},"modified":"2026-06-22T09:28:36","modified_gmt":"2026-06-22T09:28:36","slug":"dwdm-tunable-optical-transceiver-modules","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/dwdm-tunable-optical-transceiver-modules","title":{"rendered":"Nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 m\u00f4-\u0111un quang \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c DWDM"},"content":{"rendered":"
\"What<\/figure>\n\n\n\n

Trong qu\u00e1 tr\u00ecnh theo \u0111u\u1ed5i kh\u00f4ng ng\u1eebng ngh\u1ec9 nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u0103ng th\u00f4ng cao h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 l\u1edbn h\u01a1n trong c\u00e1c m\u1ea1ng quang, <\/span>B\u1ed9 thu ph\u00e1t DWDM c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng<\/strong><\/span> \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t c\u00f4ng ngh\u1ec7 mang t\u00ednh \u0111\u1ed9t ph\u00e1. Thay th\u1ebf c\u00e1c thi\u1ebft b\u1ecb quang h\u1ecdc DWDM c\u00f3 b\u01b0\u1edbc s\u00f3ng c\u1ed1 \u0111\u1ecbnh, nh\u1eefng th\u00e0nh ph\u1ea7n th\u00f4ng minh n\u00e0y mang l\u1ea1i s\u1ef1 linh ho\u1ea1t ch\u01b0a t\u1eebng c\u00f3, \u0111\u01a1n gi\u1ea3n h\u00f3a v\u1eadn h\u00e0nh v\u00e0 gi\u1ea3m chi ph\u00ed. Vi\u1ec7c hi\u1ec3u r\u00f5 ch\u1ee9c n\u0103ng v\u00e0 l\u1ee3i \u00edch c\u1ee7a ch\u00fang l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 quy ho\u1ea1ch m\u1ea1ng \u0111ang t\u00ecm c\u00e1ch t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a m\u00ecnh. <\/span>LINK-PP<\/strong><\/span>, nh\u00e0 ti\u00ean phong trong l\u0129nh v\u1ef1c <\/span>b\u1ed9 thu ph\u00e1t quang<\/strong><\/span><\/a> gi\u1ea3i ph\u00e1p, \u0111ang \u0111i \u0111\u1ea7u trong vi\u1ec7c cung c\u1ea5p c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng \u0111\u00e1ng tin c\u1eady.<\/span><\/p>\n\n\n\n

T\u00ecm hi\u1ec3u v\u1ec1 b\u1ed9 thu ph\u00e1t DWDM c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng<\/strong><\/h2>\n\n\n\n

B\u1ed9 m\u00f4-\u0111un quang h\u1ecdc DWDM c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng l\u00e0 g\u00ec?<\/h3>\n\n\n\n

B\u1ed9 m\u00f4-\u0111un quang h\u1ecdc DWDM c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng<\/strong> l\u00e0 c\u00e1c thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng gh\u00e9p k\u00eanh ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng m\u1eadt \u0111\u1ed9 cao<\/strong>. C\u00e1c m\u00f4-\u0111un n\u00e0y cho ph\u00e9p b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9ng b\u01b0\u1edbc s\u00f3ng c\u1ee7a t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c truy\u1ec1n qua c\u00e1p quang. Kh\u00e1c v\u1edbi c\u00e1c m\u00f4-\u0111un c\u00f3 b\u01b0\u1edbc s\u00f3ng c\u1ed1 \u0111\u1ecbnh, c\u00e1c m\u00f4-\u0111un DWDM c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng mang l\u1ea1i s\u1ef1 linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 cao h\u01a1n trong vi\u1ec7c qu\u1ea3n l\u00fd m\u1ea1ng quang. Ch\u00fang l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng hi\u1ec7n \u0111\u1ea1i, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i.<\/p>\n\n\n\n

B\u1ed9 thu ph\u00e1t DWDM c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n

C\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c b\u01b0\u1edbc s\u00f3ng do laser c\u1ee7a b\u1ed9 thu ph\u00e1t ph\u00e1t ra. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n

    \n

  1. \u0110i\u1ec1u ch\u1ec9nh b\u1eb1ng nhi\u1ec7t:<\/strong> Thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a laser l\u00e0m thay \u0111\u1ed5i ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 v\u00e0 chi\u1ec1u d\u00e0i bu\u1ed3ng c\u1ed9ng h\u01b0\u1edfng c\u1ee7a n\u00f3, t\u1eeb \u0111\u00f3 d\u1ecbch chuy\u1ec3n b\u01b0\u1edbc s\u00f3ng \u0111\u1ea7u ra. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/p><\/li>

  2. H\u1ec7 th\u1ed1ng vi c\u01a1 \u0111i\u1ec7n t\u1eed (MEMS):<\/strong> C\u00e1c g\u01b0\u01a1ng ho\u1eb7c m\u1ea1ng nhi\u1ec5u x\u1ea1 c\u01a1 h\u1ecdc si\u00eau nh\u1ecf \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ch\u1ecdn b\u01b0\u1edbc s\u00f3ng mong mu\u1ed1n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y mang l\u1ea1i t\u1ed1c \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh nhanh.<\/p><\/li>

  3. M\u1ea3ng ph\u1ea3n h\u1ed3i ph\u00e2n b\u1ed1 (DFB):<\/strong> S\u1eed d\u1ee5ng nhi\u1ec1u laser DFB tr\u00ean m\u1ed9t chip duy nh\u1ea5t, chuy\u1ec3n \u0111\u1ed5i gi\u1eefa ch\u00fang b\u1eb1ng \u0111i\u1ec7n t\u1eed. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y n\u1ed5i ti\u1ebfng nh\u1edd \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao.<\/p><\/li>\n<\/ol>\n\n\n\n

    Hi\u1ec7n \u0111\u1ea1i SFP+ c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng, QSFP+ c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng, SFP28 c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng<\/strong>, and QSFP28 c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng<\/strong> C\u00e1c m\u00f4-\u0111un k\u1ebft h\u1ee3p m\u1ed9t trong nh\u1eefng c\u01a1 ch\u1ebf \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng n\u00e0y v\u1edbi \u0111i\u1ec7n t\u1eed \u0111i\u1ec1u khi\u1ec3n tinh vi. Ch\u00fang truy\u1ec1n th\u00f4ng tin b\u01b0\u1edbc s\u00f3ng th\u00f4ng qua giao di\u1ec7n ti\u00eau chu\u1ea9n Gi\u00e1m s\u00e1t ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1 (DDM\/DOM)<\/strong> (I2C) v\u00e0 ph\u1ea3n h\u1ed3i c\u00e1c l\u1ec7nh thi\u1ebft l\u1eadp b\u01b0\u1edbc s\u00f3ng t\u1eeb h\u1ec7 th\u1ed1ng ch\u1ee7 ho\u1eb7c ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd.<\/p>\n\n\n\n

    T\u1ea1i Sao N\u00ean Ch\u1ecdn B\u1ed9 Thu Ph\u00e1t DWDM C\u00f3 Th\u1ec3 \u0110i\u1ec1u Ch\u1ec9nh? Nh\u1eefng \u01afu \u0110i\u1ec3m \u0110\u00e1ng K\u1ec3<\/strong><\/h2>\n\n\n\n

    Vi\u1ec7c thay th\u1ebf c\u00e1c m\u00f4-\u0111un c\u00f3 b\u01b0\u1edbc s\u00f3ng c\u1ed1 \u0111\u1ecbnh b\u1eb1ng c\u00e1c m\u00f4-\u0111un c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch v\u1eadn h\u00e0nh v\u00e0 t\u00e0i ch\u00ednh \u0111\u00e1ng k\u1ec3:<\/p>\n\n\n\n

      \n

    1. Gi\u1ea3m M\u1ea1nh H\u00e0ng T\u1ed3n Kho & Ti\u1ebft Ki\u1ec7m Chi Ph\u00ed:<\/strong> Lo\u1ea1i b\u1ecf nhu c\u1ea7u d\u1ef1 tr\u1eef h\u00e0ng ch\u1ee5c m\u00f4-\u0111un c\u00f3 b\u01b0\u1edbc s\u00f3ng c\u1ed1 \u0111\u1ecbnh ri\u00eang bi\u1ec7t cho m\u1ecdi k\u00eanh v\u00e0 h\u01b0\u1edbng kh\u1ea3 d\u1ee5ng. M\u1ed9t ho\u1eb7c v\u00e0i m\u00f4-\u0111un c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh b\u1ed9 thu ph\u00e1t quang<\/strong> c\u00f3 th\u1ec3 bao ph\u1ee7 to\u00e0n b\u1ed9 ph\u1ed5 DWDM c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y gi\u1ea3m m\u1ea1nh CAPEX (\u00edt m\u00e3 SKU h\u01a1n c\u1ea7n mua ban \u0111\u1ea7u) v\u00e0 OPEX (chi ph\u00ed l\u01b0u kho th\u1ea5p h\u01a1n, h\u1eadu c\u1ea7n \u0111\u01a1n gi\u1ea3n h\u01a1n).<\/p><\/li>

    2. Linh Ho\u1ea1t & Nhanh Nh\u1ea1y Ch\u01b0a T\u1eebng C\u00f3:<\/strong> C\u1ea7n tri\u1ec3n khai d\u1ecbch v\u1ee5 m\u1edbi, chuy\u1ec3n h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng ho\u1eb7c thay th\u1ebf m\u00f4-\u0111un b\u1ecb l\u1ed7i? M\u1ed9t m\u00f4-\u0111un c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh theo y\u00eau c\u1ea7u cho b\u01b0\u1edbc s\u00f3ng c\u1ea7n thi\u1ebft trong v\u00e0i ph\u00fat, \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh tri\u1ec3n khai v\u00e0 x\u1eed s\u1ef1 c\u1ed1. L\u00fd t\u01b0\u1edfng cho m\u1ea1ng quang \u0111\u1ed9ng<\/strong> m\u00f4i tr\u01b0\u1eddng.<\/p><\/li>

    3. Qu\u1ea3n L\u00fd D\u1ef1 Tr\u1eef \u0110\u01a1n Gi\u1ea3n H\u00f3a:<\/strong> Chi\u1ebfn l\u01b0\u1ee3c d\u1ef1 tr\u1eef c\u1ee7a b\u1ea1n tr\u1edf n\u00ean c\u1ef1c k\u1ef3 \u0111\u01a1n gi\u1ea3n. M\u1ed9t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf c\u00e1c m\u00f4-\u0111un c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u1ed1ng nhau \u0111\u00f3ng vai tr\u00f2 l\u00e0m ph\u1ee5 t\u00f9ng thay th\u1ebf ph\u1ed5 qu\u00e1t cho b\u1ea5t k\u1ef3<\/em> c\u1ed5ng DWDM, \u0111\u01a1n gi\u1ea3n h\u00f3a h\u1eadu c\u1ea7n v\u00e0 gi\u1ea3m r\u1ee7i ro d\u1ef1 tr\u1eef sai linh ki\u1ec7n. \u0110\u00e2y l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf then ch\u1ed1t khi c\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng<\/strong> qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quy m\u00f4 l\u1edbn.<\/p><\/li>

    4. Di chuy\u1ec3n M\u01b0\u1ee3t M\u00e0 & B\u1ea3o \u0110\u1ea3m T\u01b0\u01a1ng Lai:<\/strong> N\u00e2ng c\u1ea5p t\u1eeb 10G l\u00ean 100G, 400G ho\u1eb7c cao h\u01a1n? C\u00e1c m\u00f4-\u0111un c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u01b0\u1eddng h\u1ed7 tr\u1ee3 nhi\u1ec1u t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u v\u00e0 \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf. Ch\u00fang c\u0169ng d\u1ec5 d\u00e0ng th\u00edch \u1ee9ng v\u1edbi k\u1ebf ho\u1ea1ch k\u00eanh thay \u0111\u1ed5i ho\u1eb7c kho\u1ea3ng c\u00e1ch l\u01b0\u1edbi (v\u00ed d\u1ee5: chuy\u1ec3n sang l\u01b0\u1edbi linh ho\u1ea1t \u2013 flexi-grid), b\u1ea3o v\u1ec7 kho\u1ea3n \u0111\u1ea7u t\u01b0 c\u1ee7a b\u1ea1n.<\/p><\/li>

    5. Thi\u1ebft K\u1ebf M\u1ea1ng T\u1ed1i \u01afu H\u00f3a:<\/strong> Cho ph\u00e9p ph\u00e2n b\u1ed5 b\u01b0\u1edbc s\u00f3ng hi\u1ec7u qu\u1ea3 v\u00e0 ki\u1ebfn tr\u00fac linh ho\u1ea1t h\u01a1n<\/strong> nh\u01b0 c\u00e1c m\u1ea1ng d\u1ef1a tr\u00ean ROADM (B\u1ed9 gh\u00e9p\/t\u00e1ch quang t\u00e1i c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c), n\u01a1i c\u00e1c b\u01b0\u1edbc s\u00f3ng c\u1ea7n \u0111\u01b0\u1ee3c g\u00e1n v\u00e0 thay \u0111\u1ed5i t\u1eeb xa qua c\u00e1c n\u00fat. m\u1ea1ng quang nh\u1ecf g\u1ecdn<\/strong> So S\u00e1nh R\u00f5 R\u00e0ng Gi\u1eefa DWDM C\u1ed1 \u0110\u1ecbnh V\u00e0 DWDM C\u00f3 Th\u1ec3 \u0110i\u1ec1u Ch\u1ec9nh.<\/p><\/li>\n<\/ol>\n\n\n\n

      B\u1ed9 Thu Ph\u00e1t DWDM B\u01b0\u1edbc S\u00f3ng C\u1ed1 \u0110\u1ecbnh<\/strong><\/p>\n\n\n\n

      \n\n<\/colgroup>

      \u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th>

      B\u1ed9 Thu Ph\u00e1t DWDM C\u00f3 Th\u1ec3 \u0110i\u1ec1u Ch\u1ec9nh<\/strong><\/p><\/th>

      Duy nh\u1ea5t, \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc (v\u00ed d\u1ee5: K\u00eanh 31)<\/strong><\/p><\/th><\/tr>

      B\u01b0\u1edbc s\u00f3ng
      <\/strong><\/p><\/td>

      C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh trong m\u1ed9t d\u1ea3i (v\u00ed d\u1ee5: To\u00e0n d\u1ea3i C-band)<\/p><\/td>

      H\u00e0ng D\u1ef1 Tr\u1eef<\/p><\/td><\/tr>

      Cao (C\u1ea7n d\u1ef1 tr\u1eef ph\u1ee5 t\u00f9ng cho t\u1eebng b\u01b0\u1edbc s\u00f3ng)<\/strong><\/p><\/td>

      R\u1ea5t Th\u1ea5p (M\u1ed9t lo\u1ea1i bao ph\u1ee7 to\u00e0n b\u1ed9)<\/p><\/td>

      T\u1ed1c \u0110\u1ed9 Tri\u1ec3n Khai<\/strong><\/p><\/td><\/tr>

      Ch\u1eadm (Y\u00eau c\u1ea7u thay th\u1ee7 c\u00f4ng)<\/strong><\/p><\/td>

      Nhanh (C\u1ea5u h\u00ecnh b\u1eb1ng ph\u1ea7n m\u1ec1m)<\/p><\/td>

      T\u01b0\u01a1ng Th\u00edch V\u1edbi ROADM<\/strong><\/p><\/td><\/tr>

      Linh ho\u1ea1t
      <\/strong><\/p><\/td>

      Th\u1ea5p<\/p><\/td>

      R\u1ea5t cao<\/strong><\/p><\/td><\/tr>

      Thi\u1ebft Y\u1ebfu \/ T\u1ed1i \u01afu<\/strong><\/p><\/td>

      H\u1ea1n ch\u1ebf<\/p><\/td>

      Chi Ph\u00ed Ban \u0110\u1ea7u (tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb)<\/strong><\/p><\/td><\/tr>

      Initial Cost (per unit)<\/strong><\/p><\/td>

      Lower<\/p><\/td>

      Cao h\u01a1n<\/p><\/td><\/tr>

      T\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO)<\/strong><\/p><\/td>

      Cao h\u01a1n (H\u00e0ng t\u1ed3n kho, Chi ph\u00ed v\u1eadn h\u00e0nh)<\/p><\/td>

      Th\u1ea5p h\u01a1n (Gi\u1ea3m h\u00e0ng t\u1ed3n kho v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh)<\/strong><\/p><\/td><\/tr>

      Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/p><\/td>

      C\u00e1c li\u00ean k\u1ebft \u0111i\u1ec3m-\u0111i\u1ec3m \u0111\u01a1n gi\u1ea3n, c\u1ea5u h\u00ecnh r\u1ea5t \u1ed5n \u0111\u1ecbnh<\/p><\/td>

      M\u1ea1ng ph\u1ee9c t\u1ea1p, ROADM, nhu c\u1ea7u \u0111\u1ed9ng, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai<\/span><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

      \u1ee8ng d\u1ee5ng c\u1ee7a c\u00e1c m\u00f4-\u0111un DWDM c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng<\/strong><\/h2>\n\n\n\n