25G CWDM SFP28 LR 1290nm 10km
- Hot-pluggable SFP28 package
- Full-duplex transceiver module
- CWDM DFB transmitter and PIN receiver
- Compliant with SFF-8472, SFF-8431, SFF-8432, and SFP28 MSA Ethernet standards
- Maximum power consumption less than 1.75W
- Built-in Digital Diagnostic Monitoring (DDM)
- Power supply voltage 3.3V
- RoHS compliant (lead-free)
- Class 1/1M product, compliant with IEC60825-1 requirements
- Meets Telcordia (Bellcore) GR-468-CORE reliability requirements
- Meets EMI and ESD requirements
Warranty : 30-Day Free Return, 3-Year Free Replacement, 5-Year Warranty, Lifetime After-sales Technical Support.
| Product Model | SFP-25G-CWDM10 | Vendor Name | Walsun |
| Form Factor | SFP28 | Data Rate | 25.78Gbps |
| Wavelength | 1270-1370nm | Distance | 10km |
| Connector | LC Duplex | Cable Type | SMF |
| Transmitter Type | DFB | Detector Types | PIN |
| TX Power | -7~2dBm | Receiver Sensitivity | < -12dBm |
| Power Consumption | ≤1.75W | Operation Temperature | 0~70°C |
| DDM | Support | EMC | Support |
| Modulation | NRZ | CDR | TX & RX Built-in CDR |
| Protocols | SFF-8472, SFF-8431, SFF-8432, SFP28 MSA, CPRI, eCPRI | ||
Q: What type of cable should this module be used with?
A: This 25G CWDM module should be used in conjunction with LC/UPC duplex single-mode cables.
Q: How many channels does this module support at most?
A: Presently, this module can support up to 6 channels. If you require more channels, you might consider opting for a DWDM module.
Q: What are the maximum transmission distances for 25G DAC and AOC?
A: The maximum transmission distance for DAC is 5 meters, whereas AOC can reach up to 100 meters.
Q: Is Forward Error Correction (FEC) necessary when using 25G SFP28 transceiver modules?
A: FEC can reduce the module’s Bit Error Rate (BER) to 10^-12. For 25G modules, RS-FEC should be activated when the current FEC BER exceeds 5×10^-5, and FC-FEC when it surpasses 10^-8. Detailed information can be found in sections 74 (FC-FEC) and 91 (RS-FEC) of the IEEE802.3 standard.
Q: Is FEC required when using 25G DAC?
A: In accordance with the IEEE 802.3by specification, FEC is not needed for 25G DAC transmission over distances of 1, 2, or 3 meters. However, RS-FEC must be enabled when the transmission distance reaches 5 meters.
| Product Number | Data Rate (Gb/s) |
Wavelength (nm) |
Reach (km) |
LD | Tx Power (dBm) |
PD | Rx Sens (dBm) |
Temperature (℃) |
Download |
| DWDM LR 10km | 25 | 1270~1450 | 10 | DML | -7.0～2 | PIN | < -11.5 | 0~70/-40~85 |  |
| DWDM LR 10km | 25 | 1470~1610 | 10 | DML | -7.0～2 | PIN | < -11.5 | 0~70/-40~85 | |
| DWDM LR 40km | 25 | 1270~1370 | 40 | DML | -3.0～6.0 | PIN | < -14 | 0~70/-40~85 | |
| DWDM LR 40km | 25 | 1470~1610 | 40 | DML | -3.0～6.0 | APD | < -14 | 0~70/-40~85 | |
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