Product picture - Meridian Technologies DigiSlim DXB-4F-SFP Bi-Directional 4-Channel RS-422 Bi-Phase Manchester Data Transceiver Card with SFP Connector Meridian, Technologies, DigiSlim, DXB-4F-SFP, Bi-Directional, 4-Channel, RS-422, Bi-Phase, Manchester, Data, Transceiver, Card, with, SFP, Connector Click the image to close this page