The 10G-XFP-ER-LW transceiver operates at 10 Gbps over Singlemode Fiber at 1550nm with a maximum reach of 40 Kilometers.  OEM Compatible transceivers are MSA compliant for seamless integration and RoHS compliant for environmental conformity.  All transceivers are 100% tested for functionality and compatibility and backed by a Lifetime Replacement Warranty.
 Features
  - Form Factor: XFP
  - Data Rate: 10.3 Gbps and OC-192/STM-64
  - Cable Type: Single-mode Fiber
  - Max Distance: 40 Kilometers
  - Wavelength: 1550nm
  - Connector: Duplex LC
  - Optical Monitoring: YES