Module: SuperStack 3 Switch 4900 module(4*1000Base-Sx)
3com SuperStack® 3 Switch 4900 1000BASE-SX Module, 1 Gbit/s, Cat5, SuperStack 3 Switch 4900 upgrade port, MT-RJ
3com SuperStack® 3 Switch 4900 1000BASE-SX Module. Data transfer rate: 1 Gbit/s, Cabling technology: Cat5. Slot type: SuperStack 3 Switch 4900 upgrade port, I/O ports: MT-RJ