1.25G-SFP-DWDM-C21-40km
1.25Gb/s data transmission speed, DFB laser transmitter and PIN photoelectric detector, 9/125 μ m single-mode fiber transmission up to 40km, hot-swappable SFP interface, LC/UPC pluggable optical interface, low power consumption, metal housing for reducing electromagnetic interference, ROSA lead-free standard, single +3.3V power supply, support digital diagnostic monitoring function, SFF-8472 protocol
| Compatible Model Name | SFP-DWDM40-D | Vendor Name | CFTX |
| Form Factor | SFP | Data Rate | 1000Mbps |
| Wavelength | 1528.77nm~1563.86NM | Max Transmission Distance | 40km |
| Connector | Duplex-LC | Media | Single mode-SMF |
| Transmitter power | -2~3dBm | Receiver sensitivity | <-24dBm |
| DDM/DOM | Yes | Temperature Range | 0~70°C（Commercial grade） /-40~85°C（Industrial grade） |
| Protocols | Fast Ethernet, Gigabit Fibre Channel, MSA | Laser Type | DFB |
| Compatible Brands | (Cisco)、Arista 、HUAWEI、ZTE、DLL、Intel、H3C、RuiJie、IBM、HP…… |
