Vitec Group Communications
Eclipse Median Instruction Manual
6 - 6
2. Check the power supplies’ alarm lights. If the alarm lights are
indicating a problem with the power supply, swap it out with a new
power supply.
• If this repairs the problem, the problem was in the power supply.
• If the problem persists even after the power supply has been
replaced, the problem is in the backplane. Send the matrix back
to Clear-Com for repair or replacement. In the meantime, you can
substitute another matrix for the damaged one. Clear-Com will
send you a substitute matrix to use while the damaged one is
being repaired.
Problem: The power supply lights are out on both CPU
cards.
The problem may be with power supplies, since both cards appear not
to be receiving power. Although less likely, the problem may be in the
matrix’s backplane connectors.
The following procedure helps you isolate where the trouble is
occurring:
Check the power supplies’ alarm lights. If the alarm lights are
indicating a problem with the power supply, swap it out with a new
power supply.
• If this repairs the problem, the problem was in the power supply.
• If the problem persists even after the power supply has been
replaced, the problem is in the backplane. Send the matrix back
to Clear-Com for repair or replacement. In the meantime another
matrix can be substituted for the damaged one. Clear-Com will
send you a substitute matrix to use while the damaged one is
being repaired.
For more information on power supply alarms, see “Diagnosing Power
Supply Problems” in Chapter 2.
TROUBLESHOOTING DATA PROBLEMS
General Principles
The other type of problem that can occur in the system is when data is
not flowing properly between the program software, the circuit cards,
and the attached panels and interfaces. A troubleshooting sequence in
this situation would be to first check cabling, then reset the card or
panel, then reset the entire system.
Port Card Reset Button
Resetting the port card causes the configuration information for the
card and its attached devices to reload to the card from the CPU card’s
operational memory (located in its microprocessor’s RAM), thus
clearing up any corruption of data that may have occurred in the port
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