Troubleshooting
4-6
SCM4000
Operator’s Guide/Tech Ref Manual
E248
Dem Cal Er
Rate Calculation Error - The total
data rate exceeds the capacity for
the given symbol rate and
modulation.
•
Increase the symbol rate,
move the modulation to a
higher throughput type (i.e.,
from 16QAM to 32QAM), or
decrease the rate on a
configurable channel.
•
Contact technical staff.
If problem persists, possible
hardware failure. Contact MRC
Technical Support.
E249
Carr Unlck
Carrier Unlock - The Demodulator
cannot lock to the incoming IF
signal.
•
Verify that a valid signal is
connected and that you have
the correct symbol rate and
modulation parameters
selected.
•
Contact technical staff.
If problem persists, possible
hardware failure. Contact MRC
Technical Support.
E24A
No Div Sig
Diversity signal is not detected.
Diversity is enabled, but the
modem cannot detect a valid
diversity connection.
•
Check diversity cables. Verify
diversity is enabled on the
companion Demodulator.
•
Contact technical staff.
If problem persists, possible
hardware failure. Contact MRC
Technical Support.
Table 4-3: SCM4000 Demodulator Primary Error Codes (Continued)
Error
Code
Error Message
Meaning
Suggested Operator Action
Suggested Technical Staff
Action
Summary of Contents for SCM4000
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