Tait International Limited TBCK4B Manual Do Utilizador

TB9400 Installation and Operation Manual

© Tait Electronics Limited September 2011

Check that all front and rear connectors and cables are in place, and that 
power switches are on. If problems persist, contact your regional 

Tait

 office.

Alarm LED red and steady 
(not flashing)

The 

base station

 is in 

Offline mode

Use the web interface to put the 

base station

 in 

Online mode

Desired feature is not 
operating

Feature license missing

Check that you have the necessary feature licenses 
(refer to 

 and the Help)

Feature license present but 
feature is not enabled 

Use the web interface to enable the feature. 

Tx stuck on

Tx and Rx frequencies are 
the same

Reconfigure Tx and Rx with different frequencies

Power LED on front panel 
is on, but keypad does not 
work

Keypad is disabled

Check that the keypad is enabled in the web 
interface (Configure > Base Station > 
Miscellaneous) 

No power or LEDs on front 
panel

System control bus not 
connected to front panel

Check cable connections 

Pins bent on 15-pin 
D-range plug on front 
panel

Replace or repair D-range plug

The 

base station

 appears to 

make random 
transmissions

CWID feature enabled

No action: CWID transmissions are made according 
to configuration settings

PA has low power

Channel is configured to 
low power

Use the web interface to check the power settings

PA may have suffered 
partial damage

Replace module and send faulty module for 
servicing

Test tones can’t be heard

IMBE does not pass on 
tones higher than 400 Hz

Ensure test tones are less than 400 Hz

Lost or forgotten 

base 

station

 IP address

Procedure TBD