Detail overview
   Cisco - Sfp+ Transceiver Module 1310-nm Wavelength, Extended Temperature Range (sfp-10g-lr-x). 
 Key Features : 
  Device Type : Sfp+ Transceiver Module - Lc/pc Single Mode 
   Form Factor : Plug-in Module 
   Cabling Type : 10gbase-lr 
   Data Transfer Rate : 10 Gbps 
   Optical Wave Length : 1310 Nm 
   Data Link Protocol : 10 Gigabit Ethernet 
   Max Transfer Distance : 6.2 Miles 
   Designed For : Catalyst Switch Module 3012 For Ibm Bladecenter, Switch Module 3110g For Ibm Bladecenter, Switch Module 3110x For Ibm Bladecenter Nexus 5010