This Cisco compliant X2-10GB-ZR is a 10GBASE-ZR X2 1550nm 80km   transceiver module. The X2-10GB-ZR transceiver module provides a low   cost high-performance connection. The X2-10GB-ZR is 100% compatible with   all Cisco series switches and modules which support X2 transceivers.
   
   Features & Specifications
    -  Form Factor: X2
    -  Device Type: Transceiver module
    -  Interface (Bus) Type: Plug-in module
    -  Connectivity Technology: Wired
    -  Application: 10GBASE-ZR
    -  Data Transfer Rate: 10Gbps
    -  Wavelength: 1550nm
    -  Max Distance: 80km
    -  Fiber Type: SMF
    -  Connector: DuplexSC
    -  DDM: With DDM
    -  Operating Temperature: 0~70 °C
    -  Compliant with MSA X2 Specification