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multi-use console for Mitel SX-50 PBX business telephone systems
ADP - Additional Device Port on every phone for fax or modem connection
and other features
Part #: 660
4101 and 560
Toshiba RSIU Card (Refurbished) Siemens multi-use console for Mitel SX-50Toshiba Serial Interface Unit. More Information 1 per system to provide from 1 to 4 RS 232 serial ports for SMDI, MIS, SMDR call accounting PC, 280Admin 280Backup PC or maintenance terminal, external modem, or CTI PC RSIU comes standard with 1 RS 232 port Accepts up to 3 RSIS subassemblies, or 2 RSIS and 1 RMDS modem subassembly
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