Cisco QSFP-40G-LR4 Compatible 40GBASE-LR4 QSFP+ 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module

Our 40G QSFP+ LR4 uses uncooled DFB lasers for low power, with per-channel diagnostics and Cisco QSFP-40G-LR4 coding as standard.
Digital diagnostics through the I2C interface expose per-channel transmit and receive power, temperature and voltage, supporting proactive maintenance across campus and metro links.
40G QSFP+ LR4 Features
- Multi-brand coding available
- 40G over duplex LC single-mode fiber
- Up to 10km reach on OS2
- Four CWDM lanes 1271-1331nm
- QSFP+ MSA, IEEE 802.3ba LR4 compliant
- OTU3 C4S1-2D1 transport mapping
Typical Applications
- Carrier Ethernet services
- Data center interconnect within city
- Business park fiber links
- Campus and inter-building 40G links
Related 40G QSFP products:
Fiber Optic New Zealand supplies 40G QSFP+ LR4 to Auckland, Wellington, Christchurch and UFB-connected regions throughout the country.
Cisco QSFP-40G-LR4