The Axiom GLC-FE-100ZX-AX is a Cisco compatible SFP fiber transceiver used in 100BASE networks. This SFP transceiver with a dual LC connection supports SMF, with a 80km maximum link span distance. Every Axiom SFP (mini-GBIC) transceiver module is designed and tested to be 100% compatible in all Cisco switch, networking, and data center product lines and applications. This transceiver is pre-configured and factory loaded with Cisco specific application code required for Cisco IOS, SMARTnet compliance, and supports the Cisco quality ID feature.