100PCT CISCO COMPATIBLE 10GBASE-SR XENPAK MOD This Axiom 10-Gbps XENPAK transceiver offers cost effective fiber connectivity for Cisco switches, data center product lines and applications. The C3XP10GBSR-AX transceiver supports link spans up to 26m with FDDI MMF and 300m using 2000MHz MMF (OM3). Every Axiom XENPAK transceiver module is designed and tested to be 100% compatible with Cisco products and is pre-configured with Cisco specific application code required for Cisco IOS and SMARTnet compliance. These transceivers are tested to perform functionally identical to the "original" transceiver. Complying fully with the Multi-Source Agreement (MSA) enables this transceiver to work in all MSA complaint platforms as well as function with other manufacturer's brands within the same network.