|
Viking LDB-1
The LDB-1 provides a loop activated contact closurewhen used in series with telecom devices on analogphone lines. The LDB-1 will initiate a dry relay contacton any off-hook condition. Alternatively, add the optionalPS-2 power supply to provide switched DC power.Loop Detector Board with on board12 Volt RegulatorVIKING©Technical PracticeTelecom Solutions fo …
|