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Control Unit IV Reference Manual
529-0004 Ver.3
iii
5.2.1 Adding expansion boards ............................................................................... 5-4
5.2.2 Removing or replacing the RAM Expansion Board....................................... 5-4
5.3 Transferring subscriber status data............................................................................ 5-6
5.3.1 Downloading subscriber statuses.................................................................... 5-6
5.3.2 Uploading subscriber statuses ........................................................................ 5-7
5.4 Upgrading the Control Unit’s firmware .................................................................. 5-10
5.4.1 Installing the upgrade program ..................................................................... 5-10
5.4.2 Running the upgrade program ...................................................................... 5-11
5.5 System verifications ................................................................................................ 5-14
5.5.1 Monitoring the status LEDs.......................................................................... 5-14
5.5.2 Checking the programming information ...................................................... 5-14
5.5.3 Checking the RAM....................................................................................... 5-14
5.6 Resetting the Control Unit ...................................................................................... 5-15
5.7 Changing the modulator or demodulator frequency................................................ 5-16
5.7.1 Requirements ................................................................................................ 5-16
5.7.2 Connecting the Workabout........................................................................... 5-16
6.
TROUBLESHOOTING 6-1
6.1 Checking the power and battery................................................................................ 6-2
6.2 Checking the FSK signal........................................................................................... 6-2
6.3 Checking communications ........................................................................................ 6-6
6.3.1 COM ports ...................................................................................................... 6-6
6.3.2 Modems .......................................................................................................... 6-7
6.3.3 Terminals ........................................................................................................ 6-7
6.4 Troubleshooting redundancy system errors .............................................................. 6-8
6.4.1 COM ports in a redundancy system................................................................ 6-8
6.4.2 RF ports in a redundancy system .................................................................... 6-9
6.4.3 Redundancy circuitry.................................................................................... 6-10
6.4.4 Master LEDs................................................................................................. 6-11
6.4.5 Redundancy system warnings at startup ....................................................... 6-11
6.4.6 Redundancy system toggle warning ............................................................. 6-14
6.4.7 Redundancy system synchronization errors.................................................. 6-14
6.5 Troubleshooting subscriber status errors ................................................................ 6-15
6.5.1 Data uploads ................................................................................................. 6-15
6.5.2 Tap commands.............................................................................................. 6-16
6.5.3 Subscriber status errors................................................................................. 6-16
6.6 Troubleshooting setup errors................................................................................... 6-18
6.7 Troubleshooting firmware upgrade errors............................................................... 6-18
6.8 General errors.......................................................................................................... 6-19
6.9 Error messages ........................................................................................................ 6-20
A.
GLOSSARY A-1
A.1 Abbreviations ........................................................................................................... A-1
A.2 Terms ....................................................................................................................... A-2
Summary of Contents for Control Unit IV
Page 10: ......
Page 11: ...PRODUCT DESCRIPTION ...
Page 12: ......
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Page 25: ...INSTALLATION ...
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Page 41: ...SETUP ...
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Page 69: ...SUBSCRIBER STATUSES ...
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Page 81: ...MAINTENANCE ...
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Page 101: ...TROUBLESHOOTING ...
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Page 125: ...GLOSSARY ...
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Page 131: ...CABLE ASSEMBLIES ...
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