Part numbers: 10320, 40GB-LR4-QSFP, AA1404001-E6
The LR4 QSFP+ module provides a 40 Gb optical connection using LC optical connectors. This optical module integrates four data lanes on separate CWDM wavelengths in each direction for 40 Gbps aggregate bandwidth. Each lane operates at 10.3125 Gbps up to 10 km using single-mode fiber.
For a complete listing of hardware compatible with these modules, see the Extreme Optics Compatibility website.
Transmission distances are provided as a nominal guide only. To determine achievable distances, refer to the device's optical specifications and to the specific characteristics of your fiber installation.
The 40 Gb LR4 QSFP+ module conforms to the 802.3ba (40GBASE-LR4) standard.
The following table lists specifications for the 40 Gb LR4 QSFP+ module.
| Parameter | Minimum | Maximum |
|---|---|---|
| Transmitter | ||
| Average launch power, each lane | -7.0 dBm | 2.3 dBm |
| Center wavelength | 1264.5 nm | 1277.5 nm |
| 1284.5 nm | 1297.5 nm | |
| 1304.5 nm | 1317.5 nm | |
| 1324.5 nm | 1337.5 nm | |
| Receiver | ||
| Stressed receiver sensitivity in OMA, each lane | NA | -11.5 dBm |
| Average receive power each lane | 2.3 dBm | -13.7 dBm |
| Operating wavelength | 1264.5 nm | 1277.5 nm |
| 1284.5 nm | 1297.5 nm | |
| 1304.5 nm | 1317.5nm | |
| 1324.5 nm | 1337.5 nm | |
| Link | ||
| Link power budget | NA | 6.7 dB |
| Operating distance: SMF (single-mode fiber) | NA | 10 km |