Harris Constellation, Installation And Maintenance Manual

Page: 74 / 264

Constellation™ 2002 June 20
4-32
Recording the Power Levels.
p. Record the power levels along with the date and the name of the person
making the measurement in the “Routine Maintenance Log Form”
(
Appendix F ).
Off-line Transmitter.
q. When you have finished taking the measurement, you can either leave
the Transmitter on line or return it to the off-line status.
r. The standby Transmitter is now the primary Transmitter.
Switching the traffic back to the previous
Transmitter will cause a hit.
If switching of Transmitter Assemblies is desired,
it should be done during low-traffic hours.
19. Perform loopback tests (through the Keypad) ( Chapter 5 ).
20. Perform BER tests from the Keypad.
PERFORMANCE > TRIBUTARY
Aligning the Antenna
21. Align the antenna.
The Keypad reading is not as accurate as using the
RSL/GND test points.
a. Connect a multimeter at the RSL/GND test point of the Receiver
Assembly.
b. Adjust the orientation of each antenna to maximize the voltage
reading.