What is the Ciena 170-3942-900?
The Ciena 170-3942-900 is a SFP+ optical transceiver, listed by the manufacturer as "3942, (4)1G/10G SFP+, (20)10/100/1000M RJ 45, Dual AC Power, Req. Power. Cable.". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
