GLC-LH-SMD=Cisco - Sfp (Mini-Gbic) Transceiver Module - Gige - 1000base-Lx, 1000base-Lh - Lc/Pc Single-Mode - Up To 10 Km - 1310 Nm - For Cisco 38xx, 39xx, 4451, 892, 250 Series, Catalyst 29xx, 3650, Ess9300, Me 3600, Ucs 62xx