Mounts in a standard double gang electrical box
In accordance to ASME A17.1, displays “ELEVATOR COMMUNICATIONS FAILURE” in ¼” high letters
Audible signal every 30 seconds and flashing red light when a telephone line fault is detected
Audible signal can be silenced with the included key switch
Use in conjunction with the ADA EMERGENCY PHONES or standard phones Voltage 12vdc~28vdc
Includes wall transformer
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