Part numbers: 10504, 25G-LR-SFP10KM
The LR SFP28 module provides a 25 Gb optical Ethernet connection using LC duplex optical connectors over SMF (single-mode fiber).
One data lane operates in each direction, at 25.78 Gbps 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 LR SFP28 module conforms to the 802.3 25GBASE-LR standard.
The following table lists specifications for the 25 Gb LR SFP28 module. The specifications listed are for part 10504. Specifications for other parts are substantially similar but might not be identical.
| Parameter | Minimum | Maximum |
|---|---|---|
| Transmitter | ||
| Average launch power | -6.5 dBm | 2.5 dBm |
| Center wavelength | 1310 nm | |
| Receiver | ||
| Average receive power, each lane | -11.3 dBm | 2.5 dBm |
| Link | ||
| Operating distance: SMF (single-mode fiber) | 2 m | 10 km |
| Forward Error Correction on Host Switch | No FEC Required | |