52 Installation TB9100/P25 CG/P25 TAG Installation and Operation Manual
© Tait Limited March 2014
Notice We recommend that you select base station 1 on the control
panel when you have finished monitoring or configuring a dual base sta-
tion. This will prevent false fan failure alarms being raised for the PA and
PMU.
12V PA Base Station The operation of a dual 12V PA base station is subject to the same
constraints as those described in “CSS” on page 51, except that those which
refer to the PMU do not apply.
In addition, because there is no PMU fitted, we recommend the following
CSS settings for 12V PA base station operation:
■ Disable the “No PMU detected” alarm on base stations 1 and 2.
Operation on
Battery Back-up
Power
Since base station 2 does not have a connection to the PMU, it does not
know when the base station is running on battery power. After the
changeover to battery power, base station 1 will transmit at the power level
set in the Battery Power (W) column in the channel table, but base
station 2 will continue to transmit at the Mains Power (W) power level.
A possible workaround is to use Task Manager to enable a digital output on
base station 1 which is connected to a digital input on base station 2.
Configure a second channel in base station 2 with the transmitter power
output set to the required level for operation on battery power. When the
digital input is activated, base station 2 will change to the channel with the
lower power setting.
Changing the Root Password
The root password to the Linux operating system of the network board is a
possible security risk. The equipment is delivered with a default password
that is well known. Knowledge of the password could be used to render the
equipment inoperable, for example by deleting files. If you are concerned
about the security risk that this poses, change the password. The password
does not give access to encryption keys, as logging in as a root user causes
these keys to be zeroized. If Tait provides support services, it may need to
know the password.
Notice If you change the password and then lose it, the equipment
must be returned to Tait. Make sure that you store the password securely
and do not lose it. Password access is required for TFTP firmware
upgrades.
To change the root password, follow these steps.
1. Log in from your PC to the base station or gateway using SSH client
software such as PuTTY. The user name is ‘root’ and the default pass-
word is ‘k1w1.’
2. At the # prompt, enter the command ‘passwd.’
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