QSFP-40G-LR4-AL
42Gb/s data transmission speed, using 4*10.31G DFB laser transmitter and PIN photoelectric detector, single-mode fiber transmission up to 10Km, hot-swappable SFP interface, LC pluggable optical interface, low power consumption, metal shell for reducing electromagnetic interference, in line with ROSA lead-free standard, single +3.3V power supply, support digital diagnostic monitoring function, SFF-8472 protocol
| Compatible Model Name | SFP-40GE-LR4-AL | Vendor Name | CFTX |
| Form Factor | QSFP+ | Data Rate | 25.78Gbps |
| Wavelength | 1310nm | Max Transmission Distance | 10km |
| Connector | Duplex-LC | Media | Single mode-SMF |
| Laser Type | DFB | Receiver | PIN |
| DDM/DOM | Yes | Temperature Range | 0~70°C （Commercial grade） -40~85℃（Industrial grade） |
| Transmitter power | -7~2.3dBm | Receiver sensitivity | <-14dBm |
| Power Consumption | 3.5W | Extinction ratio | 2dB |
| Modulation | NRZ | CDR | Transmit and Receive |
| Transmission dispersion | 2.6dB | Power Budget | 12dB |
| Packaging Technology | BOX | FEC Function | Yes |
| Protocols | MSA, OTN OTU3,40G Ethernet Infinilband。FiberChannel，SATA/SAS3 | Apply | 40G Ethernet, Data Center, OTN OTU3 C4S1-2D1,OTU3e1 |
| Compatible Brands | (Cisco)、Arista 、HUAWEI、ZTE、DLL、Intel、H3C、RuiJie、IBM、HP…… |
