Vizio CPU-56 - Manual (Page 52)

12-4 Channel 3 (CH. 3) Calling Party Indication Lamp Type (2)
Each "Calling Station" or "Waiting Station" is shown by
Each Indication: Lamp.
Total Number of Station with Indications : 4 Stations/Channel (8 Stations/2 Channels)
Total Number of Calling Stations : Max. 128 Stations/Each Indication
Data Receiver Relay Output No.
Data Transmitter
Each Relay Output shows
"Calling Station No."
Exchange
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