What is the MRV Communications OS912-DC-2?
The MRV Communications OS912-DC-2 is a SFP optical transceiver module, listed by the manufacturer as "Intelligent Ethernet Services Demarcation platform - 12 Tri-Mode 100FX/1000FX SFP or RJ45 10/100/1000Base-T ports, 19” bracket included, Dual redundant DC (-48 VDC) power supply". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.