The AX743 module is built to insert into any one of the high-speed module bays found on Pro Safe GSM73xx S (4 optional bays) & GSM73xx Sv 2 (2 optional bays). Once inserted, the AX743 adapter module can then be utilized with standard 10 Gigabit SFP+ GBICs for fiber connectivity at 10 Gbps speeds. Specifically, this adapter module accommodates the Pro Safe AXM761 SFP+ GBIC 10GBASE-SR LC " Short Reach" or Pro Safe AXM762 SFP+ GBIC 10GBASE-LR LC " Long Reach". The AX743 is hot-swappable at any time into the switch & provides hot-swappable installation or removal of standard 10 GE SFP+ GBICs.