3Com SS3 Switch 4400 1000BASE-LX Module 3C17223 tested and is in full working order and excellent condition.

Features & Benefits

Single Port Fiber Gigabit Ethernet Connection
Scale the performance of your Ethernet/Fast Ethernet network by adding this module to the 3Com® SuperStack® 3 Switch 4400, Switch 4400 FX, Switch 4400 PWR, or Switch 4400 SE 10/100 managed switch.

This module provides a resilient, high-performance inter-workgroup or workgroup-to-backbone Gigabit Ethernet connection. .