Broadcast Tools VAD-4

Overview

The VAD-4 is a user programmable four status input multi-number voice/pager auto dialer. The VAD-4 is equipped with four optically isolated status inputs, two temperature sensor ports, power failure input and unbalanced stereo silence sensor, which when tripped, will sequentially dial a pager and/or up to four different phone numbers and play back a user recorded message corresponding to the tripped input. The VAD-4 is also provided with four SPDT one amp relays for the control of external equipment and a separate SPDT alarm tally relay. The VAD-4 can store up to four 32 digit phone numbers and one 32 digit pager phone number which may be associated with any or all of the inputs.

Features

• Four user programmable wet or dry optically isolated status inputs. 
• Two Fahrenheit/Celsius temperature sensor ports. Probes optional.
• Stereo Silence Sensor with remote telco audio monitoring.
• Four SPDT one amp relays with momentary, latching or tone duration operation. One SPDT alarm tally relay. 
• Power failure alarm input port.
• Balanced telco caller output port.
• Local programming and recording. The VAD-4 is supplied with spoken words and phrases in English, while the user is free to record words and phrases in their language.
• Front panel LED indicators for most operational activities.
• Front panel USB programming serial port, program switch with LED indicator. 
• Front panel RJ-11 TT telephone jack used for user voice response recording.
• Stores up to four 32-digit phone numbers and one 32-digit pager number with up to 16 digits of pager data. 
• Pager compatible.
• CPC (WINK/COD) detection. 
• Non-Volatile Memory.
• User programmable message repeat and global lap counter.
• User programmable ring delay.
• Phone line and power supply with built-in surge protection.
• 12 volt DC universal AC input wall transformer. Optional international AC plug adapters.
• Plug-in euroblock screw terminals for status inputs, relays, telco audio balanced output and stereo unbalanced silence sensor inputs.
• Three units may be installed on one RA-1, RU-1 rack shelf.