Includes one SFP module and one 19.6ft (6m) optical Ethernet cable with LC connectors. Purchase to increase the usable 10GbE port count on a Lattus System or Interconnect Switch. A maximum of 44 additional SFPs can be added to each Lattus System Switch. A maximum of 20 additional SFPs can be added to each Lattus Interconnect Switch. A Quantum Lattus 10GbE SFP for System or Interconnect Switch, Add-On, Support Plan must be purchased (SLAXA-SSFP-xx1x).