Users Manual Part 1
7.3 MTS 4 RFDS....................................................................................................................... 290
7.3.1 MTS 4 Filter Tray................................................................................................... 291
7.3.2 MTS 4 Preselector................................................................................................. 293
7.3.2.1 Replacing the MTS 4 Preselector............................................................ 295
7.3.3 MTS 4 Duplexer
..................................................................................................... 296
7.3.3.1 Replacing the MTS 4 Duplexer................................................................ 298
7.3.4 Hybrid Combiner in MTS 4.....................................................................................300
7.3.5 Post Filter...............................................................................................................300
7.3.5.1 Replacing the Post Filter.......................................................................... 302
7.3.6 Cavity Combiner.................................................................................................... 304
7.3.6.1 Cavity Combiner - Theory of Operation................................................... 305
7.3.6.2 Replacing the Cavity Combiner................................................................306
7.3.6.3 Tuning the MTCC in a BTS in Tetra Application Mode............................ 308
7.4 Expansion Cabinet RFDS....................................................................................................309
7.4.1 RX Splitter..............................................................................................................313
7.4.1.1 Replacing the Expansion Cabinet RX Splitter..........................................315
Chapter 8: Site Controller.......................................................................................317
8.1 Site Controller – Theory of Operation.................................................................................. 318
8.2 Site Controller – Indicators, Switches, and Connectors.......................................................320
8.2.1 Site Controller – Front Panel..................................................................................321
8.2.1.1 Site Controller – Front Panel Indicators (LED).........................................322
8.2.1.2 Site Controller – Front Panel Switches.................................................... 325
8.2.1.3 Site Controller – Front Panel Connectors................................................ 325
8.2.2 Site Controller Rear Panel..................................................................................... 327
8.2.2.1 Site Controller – Rear Panel Connectors................................................. 327
8.3 Site Controller CAN Bus...................................................................................................... 327
8.3.1 Updating CAN Bus TrackID Mapping List..............................................................331
8.4 Site Controller – GPS Module..............................................................................................332
8.5 Site Controller – Lithium Battery.......................................................................................... 332
8.5.1 Resetting the RTC Battery Status..........................................................................332
8.5.2 Checking if the Site Controller Lithium Battery Needs Changing...........................332
8.5.3 Replacing the Site Controller Lithium Battery........................................................ 333
Chapter 9: XHUB Controller................................................................................... 336
9.1 XHUB Controller – Theory of Operation.............................................................................. 338
9.2 XHUB Controller – Indicators, Switches, and Connectors...................................................339
9.2.1 XHUB Controller – Front Panel..............................................................................340
9.2.1.1 XHUB Controller – Front Panel Indicators (LED)..................................... 341
9.2.1.2 XHUB Controller – Front Panel Switches.................................................342
9.2.1.3 XHUB Controller – Front Panel Connectors.............................................342
6802800U74-AP
Contents
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