E-mail: sales@fibertoptech.com
Cisco® 100GBASE-LR4 QSFP28 module provides 100GBase-LR4 throughput up to 10km over a standard pair of single mode fiber (SMF) with duplex LC connectors. This transceiver is compliant with IEEE 802.3ba 100GBASE-LR4, IEEE 802.3bm, SFF-8665 and SFF-8636 standards. Digital diagnostics functions are also available via the I2C interface, as specified by the QSFP28 MSA, to allow access to real-time operating parameters. With these features, this easy to install, hot swappable transceiver is suitable to be used in various applications, such as 100G telecom connections, data center, high-performance computing networks, enterprise core and distribution layers, campus networks etc.
Technical Specification
| Compatible OEM | Cisco | Compatible With OEM Part Number(s) | QFP-LW31HG-10DC |
| Transceiver Type | LR | Reach | 10km |
| Wavelength | 1310nm | Form Type | QSFP28 |
| Speed Description | 100G | Media | SMF |
| Connector | Duplex LC | Extinction Ratio | > 4.0 dB |
| TX Power | -4.3 ~ +4.5 dBm | Receiver Sensitivity | < -8.6 dBm |
| Applications | 100GBASE-LR4 100G Ethernet | Environment | Operating: 0 to 70°C Storage: -40 to 85°C |
Compatibility
| • Cisco network switches | • Cisco network routers |
| • Cisco firewalls | • Cisco security gateway |
| • Cisco fiber media converter | • Cisco network adapters |
| • Cisco network interface card (NICs) | • Cisco NAS |




