Applicant: Motorola Solutions
294 | Base Radio
•
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
Restoring the Base Radio
Process:
1 Remove the Base Radio.
See
Removing the Base Radio on page
2 Reinstall the Base Radio.
See
Reinstalling the Base Radio on page
Removing the Base Radio
Procedure:
1 Remove power from the MTS by switching off the Power Supply Unit.
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.
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.
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| September 2014 | 6802800U74-AD
Static Precautions and ESD Strap on page
294.
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.
Caution: The module can be very hot.
Note: Do not perform this step when doing a hotswap.
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294.
Equipment Type: ABZ89FC5827 / 109AB-5827
Exhibit D2