Product information "790D156 CPU card for central control unit 19""
Same as Part No. 790D155, but no expandability. With processor unit and serial interface as well as ETH connection. With interface to network several central control units. • 1 serial interface (RS 232) for configuration of central control unit via a system PC, message transmission (paging) • Communication management between DECT phones registered in system and PABX control of voice and data signals between individual base stations in entire transmission network