What is the Ciena 170-3903-900?
The Ciena 170-3903-900 is a SFP optical transceiver module, listed by the manufacturer as "3903,(2)100M/1G SFP,(1)100M/1G SFP/RJ45,DUAL AC POWER,REQ. POWER CABLE". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
