Replacing The Mts Lite / Mts 2 Preselector - Motorola DIMETRA MTS 4 Installation, Configuration, And Service Manual

Applicant: Motorola Solutions
236 | Radio Frequency Distribution System
Figure 142: Schematic Diagram of MTS LiTE / MTS 2 Preselector
Note: Unused RX outputs should be terminated.

Replacing the MTS LiTE / MTS 2 Preselector

For a list of available FRUs, see
Prerequisites:
Warning: RF energy burn hazard. Disconnect power in the cabinet to prevent injury and equipment
damage while disconnecting and connecting antennas.
Process:
1 Remove the Preselector, see
MTS 2 on page
2 Reinstall the Preselector, see
Preselector – MTS 2 on page
Removing the Preselector – MTS LiTE
Procedure:
1 Remove the door of the cabinet completely.
2 Unscrew the antenna cable on the Preselector.
3 Remove the two fastening screws behind the antenna.
4 Loosen the two fastening screws at the front enough to free the center tab.
5 Slide the Preselector out of the cabinet.
6 Remove all RX cable connections on the Preselector.
7 Remove and keep the RF Terminator from the BR2 connector.
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Field Replaceable Units (FRUs) on page
Removing the Preselector – MTS LiTE on page 236
237.
Reinstalling the Preselector – MTS LiTE on page 237
237.
Caution: Do not remove the screws entirely because the filter will drop.
Equipment Type: ABZ89FC5827 / 109AB-5827
405.
or Removing the Preselector –
or Reinstalling the
Exhibit D2