The ALM-110 Loss of Audio Alarm Module monitors ten audio sources simultaneously, providing LED indicators on the front edge of the module, and alarm logic outputs at the rear connector of the card frame. For sophisticated computer driven monitoring, it furnishes a logic output for each audio input as well as an OR'ed output for simple alarm systems.
Alternate output pull down transistors allow relays to be driven.
Perhaps one of the best uses of the module is to monitor the input and output of every piece of equipment in a critical signal path, such as an On-Air chain. Then, by monitoring the digital outputs of the module with a computer program written in, say, Visual Basic, you may be able to quickly see where a loss of audio occurred, such as with an incorrect patch insertion. Adding graphical features to the program, showing a map of the signal path with a flashing break point, can greatly enhance diagnostics and reduce lost air time. Inc. All rights reserved.