Adtran ISU 512 ISDN Inverse Multiplexer
The ISU 512 is designed to operate in a dual port mode for videoconferencing at 112/128 Kbps. This allows end-to-end compatibility when communicating with a video system utilizing two Switched 56 DSUs or a dual port ISDN terminal adapter. For this application, 56/64 Kbps is transmitted over the V.35 interface and the RS-530 interface. A special RS-366 Y cable provides the two RS-366 interfaces for this application. For convenience in communicating with multiple video sites, the ISU 512 can be configured to transparently switch between the dual port mode at 112/128 Kbps and the single port mode of 384 Kbps without user intervention and reconfiguration of the unit.
4 x RJ-45 ISDN BRI (U) Network Adtran ISU 512 ISDN Inverse Multiplexer 4 lb 2.25" Height x 8.75" Width x 11" Depth 8 Data 1 x Dial RS-366 4 Voice Multiplexer 4202086L1 www.adtran.com 1 x DTE RS-530 56Kbps to 512Kbps ISDN BRI V.35 Full-duplex 1 x DTE V.35 2 x RJ-45 Management











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