About this item
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. Additional Information : Passes original ringing through to the device Boost talk battery loop current up to 26mA Boost talk battery voltage up to 48VDC Compatible with touch tone dialing Power LED also displays activity Passes hook switch flash Passes caller ID data Passes CPC signals
Specifications
- First Listed on Newegg
January 09, 2019
Product photos are for illustrative purposes only and are exemplary. The colors, inscriptions, parameters, dimensions, sizes, functions, and/or any other features of the original products may look different than in reality due to their visual characteristics, so please refer to the product features that are indicated in the product descriptions.