Viking TBB-1B 48V DC Boost Talk Battery and Loop Current to Line Powered DevicesTBB 1B Features: Boost talk battery voltage up to 48VDC Boost talk battery loop current up to 26mA Power LED also displays activity Passes original ringing through to the device Passes caller ID data Passes hook switch flash Passes CPC signals Compatible with touch tone dialing UL listed power adapter provided Run line powered devices such as handsfree phones, touch tone hot line dialers, digital announcers, etc. Increase maximum loop length on analog

No dial pads

During power outages the line is connected directly to the emergency device

Operating Temperature: -15°F to 130°F (-26°C to 54°C)

For Standard version see E-20B

Six different modes of operation for enabling and disabling certain features (DIP switch selectable)

FXS (ring trip) or paging port (VOX relay) interface mode

Standard with EWP (enhanced weather protection)

CPC Disconnect Time: 300ms minimum

If outside call is not answering

Automatic Noise Canceling (ANC) feature for clear audio in noisy environments

Campus emergency stations

commercial