The CMC-4 HMI unit provides a means of siren control and supervision for a single or multiple superior range siren system via its RS485 communication interface.

Features:

• Control of up to 4 alarm signals & 2 pre-recorded messages via its keypad and integral 2 line 16 character LCD backlit module.
• Microphone input connector for live voice or record & play voice messages.
• Silent test activation facility and results displayed via its LCD module.
• Power for the unit is provided by the RS485 interface.
• Magnetic coded switch to enable signal and voice activation functions.
• May be linked via a bi-directional radio link to the siren controller instead of a hardwire link.
• Can be located in the siren control panel or on a convenient wall location.
• All configuration information is stored in
• non-volatile memory.