Viking TBB-1B Talk Battery Booster

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 line powered devices such as touch tone dialers and emergency phones on low voltage and/or low loop current extensions.

When the TBB-1B is being used, the power LED lights extra bright to show activity. The TBB-1B is not compatible with Pulse/Rotary dialing.

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
• Power adapter included
• Compatible with touch tone dialing