Toa RM-200M - Example of Connection to External Equipment

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ECH
PBX, main telephone device, etc.
Control signal
Audio signal
ECH
When using a single-core shielded
cable, connect the shielded mesh to
both E and C terminals.
Telephone line
* Prepare the switch assembly locally at your end.
Press-to-talk switch box*
(Remote switch)
VM-3240VA rear
AWG 28 – AWG 22
AWG 28 – AWG 22
13.4.3. Example of connection to external equipment