Cisco QSFP-40G-LR4 Compatible 40GBASE-LR4 QSFP+ 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module |
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The 40GBASE-LR4 QSFP+ module carries 40G over a standard duplex single-mode fiber pair for up to 10 kilometers. Four CWDM wavelengths at 1271, 1291, 1311 and 1331nm are multiplexed inside the module, so only one duplex LC connection is needed at each end. The design follows the QSFP+ MSA, IEEE 802.3ba 40GBASE-LR4 and OTU3 C4S1-2D1 mappings, which lets the same hardware serve Ethernet and optical transport roles. Digital diagnostics through the I2C interface expose per-channel transmit and receive power for proactive link management. Coded for Cisco QSFP-40G-LR4, the module is a dependable choice for campus backbones, building interconnects and metro access across the region. Related 40G QSFP products: |
Fiber Optic Cables
Fiber Optic Transceivers
40G QSFP+ LR4 Features
- 40G over duplex LC single-mode fiber up to 10km
- Four CWDM lanes at 1271/1291/1311/1331nm
- QSFP+ MSA, IEEE 802.3ba LR4 and OTU3 compliant
- Per-channel DOM diagnostics via the I2C interface
- Uncooled DFB lasers for low power consumption
- Interoperates with all standards-based 40GBASE-LR4 optics
Typical Applications
- Campus and inter-building 40G backbone links
- Enterprise core and distribution uplinks
- Metro access and carrier aggregation networks
- OTU3 transport applications
These 40G QSFP products are supplied with project support from our UAE office and production coordination from our Shenzhen factory. For datasheets, compatibility coding and lead-time confirmation, please use the contact page on this website.
UAE Fiber Optics
UAE office: Abu Dhabi,Al khaleej Al Arabi
Factory add: ZYT industrial area, Shiyan, Baoan district, Shenzhen, China 518000
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