V

Video Alarm Verification

A programming option in certain DMP panels that forces the panel to wait offline for an additional 60 seconds before making any other communication attempts. This 60-second period can be used to allow video transmission or alarm verification (such as two-way voice) equipment to use the open phone line. After the 60 seconds expires, the panel can again seize the phone line and send any buffered reports.

Virtual Keypad

Enables end users to remotely manage their security systems on a tablet, computer or smartphone (iOS or Android).

Volt-Ampere (VA) Rating

The products of rated input voltage multiplied by the rated current. This establishes the apparent energy available to accomplish work.

Voltage Drop

The drop in voltage between two points. The voltage drop for DMP bus devices can never be more than 2.0 VDC. For example, if the voltage across red and black at the panel is 13.8 VDC, the voltage at any device on the bus cannot be below 11.8 VDC.