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Harris Corporation
Constellation™
Troubleshooting Guidelines
11-3
TRO
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HO
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GUIDEL
INES
Diagnosing Alarm Messages
Check to ensure that the radio configuration is correct
before proceeding with troubleshooting.
Although an alarm state is indicated on the card, the fault may lie further up the
signal path. Before troubleshooting the alarmed card, keep checking the next
card up the signal path until you have isolated the origin of the fault.
is a block diagram of the signal path. The arrows above the alarmed
card indicates that the fault may lie in the card or in the card further up the
signal path.
Simultaneous Replacement of Modules
Do not replace two or more of the following
modules simultaneously.
•
SPU Controller
•
Transmitter Assembly A1
•
Power Supply A1
Change one module, wait until the system reboots, and then change another
module and reboot.
LED Indicators
The Keypad should be used to obtain a more detailed information on the
alarms.
Summary of Contents for Constellation
Page 1: ...Point to Point Digital Radio Constellation Installation Maintenance next level solutions ...
Page 2: ......
Page 3: ...Constellation Microwave Radio INSTALLATION AND MAINTENANCE MANUAL June 20 2002 IMN 112871 E07 ...
Page 16: ...Constellation 2002 June 20 TOC 12 ...
Page 20: ...Constellation 2002 June 20 2 ...
Page 76: ...Constellation 2002 June 20 4 34 ...
Page 136: ...Constellation 2002 June 20 10 12 ...
Page 150: ...Constellation 2002 June 20 11 14 ...
Page 186: ...Constellation 2002 June 20 12 36 ...
Page 210: ...Constellation 2002 June 20 A 16 ...
Page 236: ...Constellation 2002 June 10 F 2 ...
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Page 248: ...Constellation 2002 June 20 G 6 ...
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