| 零件編號 | QSFPDD-LR4-400G | 供應商名稱 | 司長 |
| 外形尺寸 | QSFP-DD | 最大數據速率 | 400Gbps嘅 |
| Wavelength | 1271納米,1291納米,1311納米,1331納米 | 最大電纜距離 | 10公里 |
| 連接器 | 雙工液相色譜 | 媒體 | 單模量單位（ SMF |
| Transmitter Type | CWDM EML | Receiver Type | PIN |
| TX Power | -2.8~4.0dBm | Receiver Sensitivity | <-9.1分貝 |
| Powerbudget | 6.3dB | Receiver Overload | 4.0分貝 |
| 功耗 | ≤12W | Extinction Ratio | 3.5dB |
| DDM/DOM | 撐 | 商用溫度範圍 | 0 至70°C (32 至158°F) |
| 數字信號處理器 | TX and RX | 主機FEC | 撐 |
| 協議 | QSFP-DD MSA Compliant | 保證 | 5 年 |
Cisco Compatible 400G-LR4 QSFP-DD PAM4 1310nm 10km DOM Optical Transceiver Module (單模量單位（ SMF, 1310納米, 10公里, 立法會, DOM嘅)
$2,699.00
Cisco Compatible 400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module
The 400GBASE-LR4 module supports link lengths of up to 10km over a standard pair of G.652 single mode fiber (單模量單位（ SMF) with duplex LC connectors. It is compliant to IEEE 802.3bs protocol and 400GAUI-8/CEI-56G-VSR-PAM4 standard. The 400 Gigabit Ethernet signal is carried over four CWDM grid optical wavelengths. Multiplexing and demultiplexing of the four wavelengths are managed within the device.
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