| Item | Parameters |
| Basic Information | |
| Module name | QSFP-40G-LR4 |
| Part Number | 02310MHS |
| Model | QSFP-40G-LR4 |
| Form factor | QSFP+ |
| Application standard | 40GBASE-LR4 |
| Connector type | LC |
| Optical fiber type | SMF |
| Working case temperature [°C(°F)] | 0°C to 70°C (32°F to 158°F) |
| Digital diagnostic monitoring (DDM) | Supported |
| Transmission rate [bit/s] | 40 Gbit/s |
| Target transmission distance [km] | Single-mode fiber: 10 km |
| Transmitter Optical Characteristics | |
| Center wavelength [nm] | 1271 nm,1291 nm,1311 nm,1331 nm |
| Maximum Tx optical power [dBm] | 2.3 dBm |
| Minimum Tx optical power [dBm] | -7.0 dBm |
| Minimum extinction ratio [dB] | 3.5 dB |
| Receiver Optical Characteristics | |
| Rx sensitivity [dBm] | -11.5 dBm |
| Overload power [dBm] | 3.3 dBm |
