SFP (mini-GBIC) transceiver module - 4Gb Fibre Channel - CWDM - LC single-mode - up to 24.9 miles - 1510 nm - for MDS 9020, 9120, 9124, 9134, 9140, 9216, 9216A, 9216i, 9222i, 9506, 9509, 9513