Section 2.27.1.1.6: Phone Line Detection Code

Code states that each elevator phone needs to check, at least once in a 24hr period, that there is an active phone line
If an active phone line is not detected, it needs to activate an audible and visual alarm at the main landing panel
The LMA provides a simple, fully functional solution to meet the Communication Failure ASME Code requirements
The Janus Alarm System checks the complete phone line system, from the elevators to the machine room and from the machine room to the outside world