Vizio CPU-56 - Manual (Page 49)

12. EXPLANATION OF DATA RECEIVING UNIT OUTPUT CHANNELS
12-1 Channel 0 (CH. 0) In/Out Annunciation
(Dial Operation)
Personal Number Registration
Personal Number Cancellation
(Relay Make) XXX: 000 ~ 499 (500 contacts)
(Relay Break)
Each Relay Output shows
last 3 digits (xxx) of Personal
Number
Exchange
Data Transmitter
Data Receiver Relay Output No.
– 48 –