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TBB-1A

TBB-1A

Talk Battery

Booster

June 2, 2008

The 

TBB-1A

will boost talk battery 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-1A

is being used, the POWER LED lights extra bright

to show activity. The 

TBB-1A

is not compatible with

Pulse/Rotary dialing.

Boost Talk Battery and Loop Current to

Line Powered Devices

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•  Run line powered devices such as handsfree 

phones, touch tone hot-line dialers, digital 
announcers, etc.

•  Increase maximum loop length on analog 

PABX/KSU stations

•  Use with wireless doorbox devices

Power:  

120VAC/13.8V AC 1.25A, UL listed adapter provided

Dimensions:  

53mm x 74mm x 25mm (2.1” x 2.1” x 1.0”)

Shipping Weight:   

0.9 kg (2 lbs)

Environmental:  

0° C to 32° C (32° F to 90° F) with 5% to 95%

non-condensing humidity

Loop Current to Device:

26mA (typical)

Connections:

(2) RJ-11 jacks

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TECHNICAL

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Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking Electronics, and its affiliates and/or subsidiaries assume no respon-
sibility for errors and omissions contained in this information. Revisions of this document or new editions of it may be issued to incorporate such changes.

Fax Back Doc 630

ZF302430 Rev A

Printed in the U.S.A.

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•  Modular connections for easy installation
•  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 adaptor included
•  Compatible with touch tone dialing

Note:

Not compatible with pulse/rotary dialing.

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A. Installing the TBB-1A

Line Powered

Device

Analog PABX/KSU

Extension

Model TBB-1A

VIKING

©

TALK BATTERY

BOOSTER

MODEL TBB-1A

VIKING ELECTRONICS

HUDSON, WI 54016

POWER

13.8VAC      LINE IN      PHONE

13.8V AC

Adapter

(included)

120V AC

Step 1.  

Pop the plastic cover off using a small screwdriver 

Step 2.  

Connect the analog extension to the 

LINE

modular jack

Step 3.  

Connect the line powered device to the 

PHONE

modular jack

Step 4.

Snap cover back into place

Step 5. 

Connect the provided AC adaptor to the 13.8 VAC jack

* IMPORTANT:

For emergency phone applications, use an uninterruptible power source.

*

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