This GBIC is built to insert into any one of the two built-in 10 GE SFP+ interfaces of GSM7328 Sv 2 & GSM7352 Sv 2, & into the 10GE SFP+ interface of AX743 adapter module for GSM73xx S/GSM73xx Sv 2. Once inserted (hot-swappable), the AXM761 10GBASE-LR SFP+ (LC connector) drives 10 Gigabit Ethernet up to 10 km distances with 9/125µm SMF single mode fiber cables, or up to 33 m distances with 62.5/125µm OM1 multimode fiber cables.