Cisco DS-CWDM-1570 CNTRV21FAA SFP transceiver module is a Cisco SFP (mini-GBIC) optical transceiver designed for CWDM applications under the DS-CWDM-1570 designation. It is also cataloged as 800-26392-01 SFP (mini-GBIC) transceiver module. The CNTRV21FAA variant identifies this specific CWDM SFP model.
