Aiphone TB-10T User Manual
Page 6
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INSTALLATION EXAMPLE
# (3) ; 2 TB-IOT w/each 9 TB-RC subs
In the above example, sub stations from #1 to #6 can
call two masters simultaneously. In this case, separate
wires (each 2) are required from sub to each master.
When a sub station # 1 picks up handset, both masters
may be signalled by tone and lamp. But when a master
is engaged in other communication, a sub station # 1
may hear both call and busy tones.
When a call is received by either master, the call will be
automatically cancelled at the other master.
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