TBB-1B Boost Talk Battery and Loop Current to Line Powered Devices The TBB-1B will boost talk battery voltage up to 48VDC, and current up to 26mA on single analog line extensions behind PABX’s and electronic key systems. This is helpful for powering...

Your Emergency Device can Share aLine with Your Phone System Why pay for a dedicated line for yourelevator/emergency phone or alarm panel? The LSR-1 Line Seizure Relay allows theuser to share an existing phone line with anemergency phone or other...

Add Time Controlled Alert Tones and Emergency Tones to Your Paging System Viking's model CTG-1 is a clock controlled tone generator designed to provide accurately timed alert tones or buzzer sounds over an existing paging system. The CTG-1 can be...

The LDB-2 Ring/Loop Detector monitors an analog phone line for ringing or an in-use condition. A built-in relay can be activated when either of these conditions are detected. This is ideal for monitoring line status or for providing a visual indication...