Cisco WS-C2960 8TC L. Cisco Network switch, MMF Gbics, Multi-mode fibre patch, Air Console USB Serial Adapter. 2 x Multimode fibre Gbics - GLC-SX MMD. The MMF Gbics will function in the Gigabit SFP port and if connected with the fibre patch to the 2nd gbic installed in a similar switch can be used to build switch interlinks and trunks.
eBay