User's Manual

Table Of Contents
Wear a wrist strap (Motorola Part No. 4280385A59 or equivalent) at all times when servicing the Base Radio to
minimize static build up.
A jack is provided at top left of module cage marked with the ground symbol.
Keep spare modules in factory packaging for transporting. When shipping modules, always pack in original
packaging.
For more information, see Static Precautions and ESD Strap
on page 419.
Restoring the Base Radio
Process:
1 Remove the Base Radio.
See Removing the Base Radio on page 294.
2 Reinstall the Base Radio.
See Reinstalling the Base Radio on page 294.
Removing the Base Radio
Procedure:
1 Remove power from the MTS by switching off the Power Supply Unit.
Note: To perform a hotswap of a Base Radio, do not turn off the Power Supply. Connect a terminal to
the Service Port and log in. Make sure the Base Radio is not transmitting by entering the MMI
command:
From the Call Application use: dekey
From the Test Application use: power -otxch1 -a0.0
For more information on this command, see MMI Commands Manual
.
2 Unplug the cables at front of the Base Radio.
3 Remove the TORX screws securing the faulty module to the chassis; these are located on the top and bottom of
the front plate of the faulty module. Save the screws for reuse.
4 Pull out the module.
Caution: The module can be very hot.
Reinstalling the Base Radio
Procedure:
1 Insert the replacement Base Radio by aligning the side rails with the appropriate rail guides inside the Base Radio
chassis.
2 Gently push the replacement module completely into the Base Radio chassis assembly using the module handle(s).
3 Secure the replacement module using two TORX screws removed during module removal. Tighten the screws to a
torque of 2.7 Nm.
4 Reconnect the cables to the BR front plate.
5 Switch on the Power Supply Unit.
Note: Do not perform this step when doing a hotswap.
294 | Base Radio
Send Feedback | September 2014 | 6802800U74-AD
Applicant: Motorola Solutions
Equipment Type: ABZ89FC5827 / 109AB-5827
Exhibit D2