TOA Electronics CP-66 - Manual (Page 103)

Note.
When 2 or 3 exchanges are connected by tie-lines, Data
Transmitting and Receiving Units can be operated from
the stations which share the same exchange but their
operation is impossible from the stations which are con-
nected to the other exchange.
Indication
panel
Equipments
to be controlled
Control of Data Transmitting and Receiving Units of each
exchange is only possible from the stations sharing the same
exchange and within the same areas circled in dotted lines.
Tie-line
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