Cisco DS-SFP-FC4G-LW 

• 4Gb/s
• 1310nm Longwave
• 10km Reach
• Singlemode
• Alternate PN 10-2249-01

Used, Fully Tested, 90 Day Warranty

The Cisco 4-Gbps Fibre Channel SFPs are designed to provide cost-effective Fibre Channel connectivity for the 1/2/4-Gbps ports on the Cisco MDS 9000 Family platform.

For more information, please review the Cisco MDS 9000 Family Pluggable Transceivers Datasheet (PDF)