QSFP-40G-SR4
42Gb/s data transmission speed, using 4*10.31G VCSEL laser transmitter and PIN photoelectric detector, OM4 multi-mode fiber transmission up to 300m, hot-swappable SFP interface, MPO/MTP 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 diagnosis and monitoring function, in line with SFF-8472 protocol
| Compatible Model Name | SFP-40G-SR4 | Vendor Name | CFTX |
| Form Factor | QSFP+ | Data Rate | 42Gbps |
| Wavelength | 850nm | Max Transmission Distance | 150nm |
| Connector | MTP/MPO | Media | Multimode-SMF |
| Laser Type | VCSEL | Receiver | PIN |
| DDM/DOM | Yes | Temperature Range | 0~70°C （Commercial grade） 32~158℃（Industrial grade） |
| Transmitter power | -7.6~1dBm | Receiver sensitivity | <-11.1dBm |
| Power Consumption | 1.2W | Extinction ratio | 3dB |
| Modulation | NRZ | CDR | 无 |
| Transmission dispersion | 3.5dB | Power Budget | 3.5dB |
| Packaging Technology | COB(chip on board) | FEC Function | Yes |
| Protocols | 40G MSA, IEEE802.3ba,Ethernet,Infiniband,QDR,SATA/SAS3 | Apply | 40G Ethernet, Data Center |
| Compatible Brands | (Cisco)、Arista 、HUAWEI、ZTE、DLL、Intel、H3C、RuiJie、IBM、HP…… |
