1.25G CWDM SFP Transceiver Module (1270nm SMF 120km LC DDM)
features：
- Data-rate of 1.25Gbps operation
- 18 CWDM DFB wavelengths laser and PIN photodetector for 120km transmission
- Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
- Digital Diagnostic Monitoring:
- Internal Calibration or External Calibration
- Compatible with SONET OC-24-LR-1
- Compatible with RoHS
- +3.3V single power supply
- RoHS compliant (lead free)
- Operating case temperature:
Standard: 0 to +70°C
Industrial: -40 to +85°C
specifications：
| Parameters | Specifications |
| Form Type | SFP |
| Max Data Rate | 1Gbps |
| Optical Components | DFB |
| Wavelength | CWDM Wavelengths |
| Max Cable Distance | 120km SMF |
| Interface | LC |
| Cable Type | SMF |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| DOM Support | Yes |
applications：
- Gigabit Ethernet
- Fiber Channel
- Switch to Switch interface
- Switched backplane applications
- Router/Server interface
- Other optical transmission systems
ordering models optional：
| SFP-GE-CWDM-40 | 1.25G CWDM SFP 40Km |
| SFP-GE-CWDM-80 | 1.25G CWDM SFP 80Km |
| SFP-GE-CWDM-120 | 1.25G CWDM SFP 120Km |
