Accessory Boards > Boards

CHM

Calls expansion board
Allows the operating panel to handle up to 12 calls with serial communication.

Features

Connections up 12 calls
Multiple connection available for calls number expansion
Can-bus serial protocol

Application

CHM is installed inside the operating panel receiving the pushbuttons’s inputs, if more than 12 inputs are needed you may use 2 or more joint CHM

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