3COM 3C17223 SUPERSTACK III SWITCH 4400 1000BASE-LX MODULE

3C17223 3Com Single Port Fiber Gigabit Ethernet Connectivity Scale the performance of your Ethernet/Fast Ethernet network by adding this module to the 3Com SuperStack 3 Switch 4400 or Switch 4400 SE 10/100 managed switch. This module provides a resilient, long-haul, high-performance inter-workgroup or workgroup-to-backbone Gigabit Ethernet connection