2.5m (8.20ft) Cisco 思科 QDD-400-CU2.5M 相容 PAM4 QSFP-DD to QSFP-DD 直連電纜 400GBASE-CR8 400Gbps Twin-axial
Cisco 思科 QDD-400-CU2.5M 相容直連電纜, 主要應用於 400GBASE Ethernet 乙太網路, 是一種 400Gbps 被動式 QSFP-DD to QSFP-DD 直連電纜. QSFP-DD DAC 在 2.5 公尺的高速 Twin-axial 銅纜互連應用, 提供了高達 400Gb/s 的資料傳輸性能. 常用標準長度介於 0.5 公尺 至 3 公尺之間. QSFP-DD DAC 直連電纜以八組 50 Gbps PAM4 獨立差動信號對的發射端與接收端信號型式聚合為 400 Gbps 總資料傳輸率. 同時也支援八組 25 Gbps NRZ 獨立差動信號對, 總聚合為 200 Gbps 的資料傳輸率. 此直連電纜完全相容於多源協議 QSFP-DD Multi-Source Agreement (MSA), IEEE 802.3cd 400GBASE-CR8 及 400GAUI-8 產業規範. Twin-axial 銅纜的線規為 28AWG, 兩端口以符合 MSA 76-pin 端口連接器型態終端成形. 提供使用者以 2-wire 通信介面 (TWI/I2C) 對模組 EEPROM 內容進行讀取. 我們的 DAC 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 QDD-400-CU2.5M 直連電纜.
產品特色
- 產品功能等同於 Cisco 思科 型號 QDD-400-CU2.5M
- 可熱插拔 QSFP-DD to QSFP-DD 直連電纜
- 總聚合傳輸速率達 400Gbps
- 終端預成型 28AWG Twinax 銅纜
- 8x 53.125Gbps PAM4 重定時 400GUAI-8 電信號介面
- 最小耐彎折半徑 55mm
- 可以 2-wire 通信介面 (TWI/I2C) 讀取模組 EEPROM 內容.
- 3.3V 單一電壓供電
- 綠能, 幾乎不耗損電功率
- 商規應用溫度, 模組外殼表面介於 0 to 70°C
- 符合多源協議 QSFP-DD MSA
- 符合產業規範 IEEE 802.3cd 400GBASE-CR8
- 符合產業規範 IEEE 802.3bj 200GBASE-CR8
- 符合安規要求 RoHS, REACH, CE, FCC 標準
應用領域
- 400G Ethernet 乙太網路
- Data Center 資料中心
主要規格
Cisco 思科 對應相容型號 | QDD-400-CU2.5M | 拓樸結構 | QSFP-DD to QSFP-DD |
最高速率 | 400Gbps | 線纜長度 | 2.5m (8.20ft) |
線纜種類 | Twinax | 線規 | 28AWG |
披覆材質 | OFNR (PVC) | 最小彎曲半徑 | 55mm |
Host FEC | Support | 調變種類 | PAM4 |
功率消耗 | 0W | 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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商品評價
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