Users Manual Part 1

Figure 157: Schematic Diagram of Post Filter

Postfilter

Pwr

meter

Coupler

Detector

A/D

CAN Bus

Ctrl

CAN Bus

To Hybrid, ATCC/

MTCC or BR

2xCAN Bus

7v DC supply

Antenna

7.3.5.1

Replacing the Post Filter

For a list of available FRUs, see Field Replaceable Units (FRUs) on page 478.

Process:

1 Remove the Post Filter, see Removing the Post Filter on page 302.

2 Install the Post Filter into the cabinet, see Inserting the Post Filter into the Cabinet on page 303.

3 Update the mapping list with the new unit TrackID, see Updating the Mapping List with the New

Unit TrackID on page 303.

7.3.5.1.1

Removing the Post Filter

Procedure:

1 WARNING: RF energy hazard and potential equipment damage precaution.

To prevent accidental contact with high energy and injury to personnel, switch off the Power

Supply Unit.

2 Remove the four screws holding the front panel.

3 Loosen the two screws holding the front section of the top panel and slide off the panel.

4 Loosen the screws fastening the rear section of the top panel and slide off the panel.

6802800U74-AP

Chapter 7: Radio Frequency Distribution System

302