25G CWDM 10KM SFP28
- 25G LR SFP28 transceivers are designed for use in Ethernet links up to 25.78 Gb/s data rate and up to 10 km link length. They are compliant SFF-8472, and compatible with SFF-8432 and applicable portions of SFF-8431.
- UP to 25.78Gb/s bi-directional data links
- Hot-Pluggable SFP28 footprint
- Duplex LC connector
- 1310nm DFB laser transmitter
- Up to 10km on 9/125m SMF
- 2-wire interface for management specifications compliant with SFF 8472 digital diagnostic monitoring interface for optical transceivers
- Power Supply: +3.3V
- Operating case temperature Range: 0~ 70°C
Optical Characteristics
Table 1. Transmitter Optical Characteristics
Parameter | Symbol | Minimum | Typical | Maximum | Unit | Notes |
|---|---|---|---|---|---|---|
Center Wavelength | λt | 1295 | - | 1325 | Nm | - |
Spectral width(-20dB) | △λ | - | - | 1 | Nm | - |
Average Optical Power | Pavg | -7 | - | +2.0 | DBm | 1 |
Laser Off Power | Poff | - | - | -30 | DBm | - |
Side Mode Suppression Ratio | 30 | - | - | - | - | |
Extinction Ratio | ER | 3.5 | - | - | DB | - |
Optical Return Loss Tolerance | 1260 | - | -12 | DB | - |
Table 2.Receiver Optical Characteristics
Parameter | Symbol | Minimum | Typical | Maximum | Unit | Notes |
|---|---|---|---|---|---|---|
Center Wavelength | λc | 1260 | - | 1370 | Nm | - |
Notes:
1. Average powerfigures are informative only, per IEEE802.3cc.
2. OMA receiver sensitivity is informative. Shallbe measured with conformance test signal for BER=5xE-5.
- 25GE LR
- Data center