What is the Alcatel 1AB377200016?
The Alcatel 1AB377200016 is a SFP optical transceiver module, listed by the manufacturer as "SFP CWDM-LH 1611NM (CWDM 2.5G Multirate APD (<2.7G) DDM CH1610) HARDENED". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.