40G QSFP+ ZR4 EML LWDM4 80km SMF LC Optical Transceiver

FIBERSTAMP 40G QSFP+ ZR4 optical transceiver module is designed for long-distance interconnectivity in data centers. It complies with the 40G Ethernet transmission protocol and supports dual rates of 40GE and OTU3. This module features a built-in pair of 4-channel MUX and DEMUX. Each channel operates at a center wavelength of 1295.56nm, 1300.05nm, 1304.58nm, and 1309.14nm. It utilizes a single-mode fiber pair for transmission, enabling distances of up to 80km.


  • 4-channel full-duplex transceiver module in QSFP+ hot-pluggable form factor
  • 4-channel cooled EML LWDM TOSA and PIN ROSA (with built-in SOA)
  • Compliant with QSFP+ MSA, 40G Ethernet and OTN OTU3 transmission protocols
  • Supports transmission rates up to 39.8Gbps to 44.6Gbps
  • Utilizes single-mode fiber for transmission, with a maximum reach of 80km
  • Power consumption of less than 6W
  • Dual LC optical connectors
  • Designed for commercial-grade operating temperature range
  • Operates at a voltage of 3.3V
  • Compliant with RoHS environmental standards (lead-free)
P/N Description
FBF-N40L4K80C 40GE/OTU3 QSFP+ ZR4 EML LWDM4 80km Optical Transceiver Module

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