What is the MRV Communications SFP-10GD-LR?
The MRV Communications SFP-10GD-LR is a SFP+ optical transceiver, listed by the manufacturer as "TRANSCEIVER, PLUGGABLE SFP+, 9.95 TO 10.3 GB/S BIT RATE. SM, 1310NM, 10KM, WITH DIGITAL DIAGNOSTICS". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.