The QLogic 10Gb SFP+ SR Optical Transceiver is a Fiber SR multi mode optical module for optical fiber connection support for the 42C1800 adapter option. This option is required for operating the 42C1800 adapter option with SFP+ Fiber SR multi mode connection.
"The SPM 1000 SR is a short range multimode 10G
SFP+ optical module compliant with 10GBase SR specs. It uses a VCSEL laser transmitter at 850nm. Line rate of transceiver is 10.3125Gbps and can be used for Ethernet, SONET ...