9.2.2 XHUB Controller – Rear Panel .............................................................................. 317
9.2.2.1 XHUB Controller – Rear Panel Connectors ............................................. 317
9.3 Replacing the XHUB Controller ............................................................................................317
9.3.1 XHUB Controller – FRU ..........................................................................................318
Chapter 10: Base Radio. ........................................................................................ 319
10.1 Base Radio – Overview. .....................................................................................................319
10.2 Base Radio – Theory of Operation .....................................................................................320
10.2.1 Transceiver (XCVR) ............................................................................................. 323
10.2.2 Power Amplifier .....................................................................................................323
10.3 Base Radio – Indicators and Connectors ...........................................................................325
10.4 Replacing the Base Radio ..................................................................................................327
10.4.1 Electrostatic Discharge Precaution .......................................................................327
10.4.2 Restoring the Base Radio .....................................................................................328
10.4.2.1 Removing the Base Radio ......................................................................328
10.4.2.2 Reinstalling the Base Radio ................................................................... 328
Chapter 11: Power Supply Unit ............................................................................. 329
11.1 Power Supply Unit (PSU) – Theory of Operation ............................................................... 329
11.1.1 PSU CAN Bus Monitoring, Alarms, and Controls .................................................330
11.1.2 Backup Battery. ....................................................................................................331
11.1.2.1 Backup Battery Charging Procedure ......................................................332
11.1.3 Fans. .....................................................................................................................332
11.2 Power Supply Unit (PSU) Indicators, Switches, and Connectors ......................................332
11.2.1 PSU LED Indicators ..............................................................................................333
11.2.2 PSU Switch. ..........................................................................................................335
11.2.3 PSU Connectors ...................................................................................................335
11.3 Replacing the Power Supply Unit (PSU) ............................................................................336
11.3.1 Removing the Power Supply Unit (PSU) ..............................................................337
11.3.2 Installing the Power Supply Unit (PSU) ................................................................ 337
11.3.3 Updating the Mapping List with the New PSU TrackID ........................................337
Chapter 12: Cooling Fans ...................................................................................... 339
12.1 Cooling Fans Overview ......................................................................................................339
12.2 Cooling Fans Theory of Operation ..................................................................................... 339
12.2.1 PSU Fan Control ...................................................................................................340
12.2.2 Alarms and Controls Available Through PSU CAN Bus Interface ........................340
12.2.3 Airflow ...................................................................................................................341
12.2.4 Cooling ..................................................................................................................343
12.3 Replacing the Cooling Fans ...............................................................................................343
Chapter 13: MTS Troubleshooting ........................................................................ 345
13.1 Site Controller Troubleshooting ..........................................................................................345
To Next Page
Loading...
Need help?
General
