The Digital Business Phone [Alpha]II Series was a full-digital system which was flexibly configurable to suit the system application. Supporting INS Net64, this series proved its capabilities in constructing a total communications system as a network consisting of a telephone system and OA equipment such as personal computers and facsimile machines. The four-conductor bus wiring system for this series greatly streamlined its wiring by reducing the amount of cabling. Also, the bus star conversion adapter allowed the system to be used flexibly according to the piping and wiring configurations.

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