DWDM-SFP-5012-AO - AddOn Cisco DWDM-SFP-5012 Compatible SFP Transceiver

SFP (mini-GBIC) transceiver module (equivalent to: Cisco DWDM-SFP-5012) - 1GbE - 1000Base-DWDM - LC single-mode - up to 80 km - 1550.12 nm - for Cisco 29XX, 39XX; Catalyst 3750, ESS9300; Ethernet Services Plus Extended Transport 20