Cisco 思科 DWDM-SFP25G-39.77 相容 SFP28 光纖模組 25GBASE-DWDM 25.8Gbps 1539.77nm 單模 雙芯 LC 10km DOM
Cisco 思科 DWDM-SFP25G-39.77 相容光纖收發模組, 主要應用於 25GBASE Ethernet 乙太網路, 是一種 25.8Gbps 雙芯小型可插拔式 SFP28 DWDM 模組. SFP28 DWDM3977-LR 在啟用了主機端 FEC 糾錯功能下, 採用 C47 1539.77nm 的光波波長, 提供了高達 25Gb/s 的資料傳輸性能, 單模光纖 (SMF) 達 10 公里. 此模組完全相容於多源協議 SFP28 Multi-Source Agreement (MSA), IEEE 802.3 25GBASE-DWDM 及 25GAUI 產業規範. 電信號介面為 MSA 相容之 20-pin 金手指板端連接器, 光纖連接介面為 Duplex LC 接口. 全雙工 SFP28 光纖模組採用了品質穩定的 DWDM EML 半導體雷射以及 PIN 光二極體確保 25 Gbps 傳輸速率的高效互連. 內建數位診斷監控功能 (DDM/DOM), 提供使用者以 2-wire 通信介面 (TWI/I2C) 對模組狀態進行實時的查詢. 出廠時, 針對客戶應用環境的網路設備品牌, 進行相容性寫碼, 使其性能完全等效於原廠 Cisco 思科 DWDM-SFP25G-39.77 收發模組.
產品特色
- 產品功能等同於 Cisco 思科 型號 DWDM-SFP25G-39.77
- 可熱插拔 SFP28 光纖模組
- 傳輸速度達 25.8Gbps
- C47 1539.77nm DWDM EML 雷射
- PIN 光二極體
- Duplex LC 光纖連接口
- 主機 FEC 糾錯功能啟用下, 互連距離可達 SMF 10km
- 發射與接收通道皆內建 CDR 信號處理
- 可以 2-wire 通信介面 (TWI/I2C) 讀取模組 DDM/DOM 內容.
- 3.3V 單一電壓供電
- 功率消耗 < 2W
- 商規應用溫度, 模組外殼表面介於 0 to 70°C
- 符合多源協議 SFF-8402, SFF-8432, SFF-8419, SFF-8472
- 符合產業規範 IEEE 802.3 25GBASE-DWDM
- 符合安規要求 RoHS, REACH, CE, FCC 標準
應用領域
- 25G Ethernet 乙太網路
- Data Center 資料中心
主要規格
Cisco 思科 對應相容型號 | DWDM-SFP25G-39.77 | 外殼型態 | SFP28 |
最高速率 | 25.8Gbps | 最遠距離 | 10km (6.2 miles) |
光波波長 | 1539.77nm | 連接介面 | Duplex LC |
數位監控 (DDM/DOM) | Support | 傳輸媒介 | SMF |
雷射種類 | DWDM EML | 光二極體 | PIN |
發射功率 | -2 to 6dBm | 接收靈敏度 | < -12dBm |
消光比 | 4dB | 接收飽和功率 | 2dBm |
Transmit and Dispersion Penalty | 3.5dB | 功率預算 | 10dB |
光電封裝 | Box Packaging | 信號調節 | Retimer for TX and RX |
調變種類 | NRZ | Host FEC | Support |
功率消耗 | 2W | 商用溫度 | 0 to 70°C (32 to 158°F) |
曙曜科技為使用者提供高性價比的替代方案. 諸如下表等多種 Cisco 思科 網路設備, 皆有對應相容高速互連產品. 歡迎您諮詢.
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