SFP (mini-GBIC) transceiver module (equivalent to: Cisco GLC-SX-MMD) - Gigabit Ethernet - 1000Base-SX - for Cisco 38XX; Catalyst 29XX 3560 3750; Catalyst Express 500; Supervisor Engine II-Plus-TS
Axiom - SFP (mini-GBIC) transceiver module - Gigabit Ethernet
AXIOM 1000BASE-SX SFP TRANSCEIVER FOR CISCO - GLC-SX-MMD