10G 1550nm SM 40KM LC XFP Transceiver Specification: Data rate:10G Wavelength:1550nm Distance:40KM Interface:LC Fiber:SM Place of origin:Made in China Port:Shenzhen Working temperature: Commercial:0°C to +70°C;Industrial:-40°C to +85°C Optical module used in Ethernet, SDH, Sonet,Can be compatible with CISCO 2900 Series,CISCO 4000 Series, CISCO 5000 Series,HUAWEI, the pole into, D-Link, ZTE, HP, juniper and other equipment. Our products require strict testing standards,standard packing form,to provide customers with quality service and timely delivery cycle. Function:Photoelectric conversion module Scope of application: switch, Ethernet, data center, SDH, SONET, ATM