40G QSFP+ CWDM4 (2km)


The 40Gbps CWDM4 transceiver is designed for use in 40G Ethernet links for up to 2km reach over duplex single
mode fiber. The transceiver is compliant to the QSFP+ MSA, CWDM4 MSA and IEEE 802.3ba.
Transceiver monitor,control and digital diagnostics is provided via I2C interface as defined in QSFP+ MSA.
Note: 40G F/W,M-LD

40GbE Data Center Switching and Routing interconnect
Client interface connectivity for Routing and Transport Networks
Compatible with IEEE 802.3ba 40GBASE-LR4 (2km reach)
Local Area Network (LAN) and Wide Area Network (WAN)


  • Hot pluggable QSFP+ form factor
  • Two-wire common management interface (SFF-8436 QSFP+ Rev. 4.8)
  • CAUI-4 compliant Electrical interface (4 x 10.3125 Gbps)
  • Transmission distance up to 2km
  • Low power consumption: <3.5W
  • Commercial temperature operating up to 70°C
  • Duplex LC receptacle for Optical connectivity
  • Pull tab based latching mechanism (MSA Compliant yellow color)
  • Remote firmware upgrade capability using I2C interface