
Troubleshooting
4-4
SCM4000
Operator’s Guide/Tech Ref Manual
E260
ASI1 LOS
Loss of Signal - The given
interface doesn’t recognize or
can’t lock to the incoming signal.
•
Verify that a valid signal is
connected.
•
Contact technical staff.
If problem persists, possible
hardware failure. Contact MRC
Technical Support.
E261
ASI2 LOS
E262
ASI3 LOS
E263
DS31 LOS
E264
DS32 LOS
E265
ETH1 LOS
E266
ETH2 LOS
E267
T1/E11 LOS
E268
T1/E12 LOS
E269
T1/E11 AIS
T1/E1 1 Alarm Indication Signal -
The T1 or E1 signal attached is
transmitting an Alarm Indication
Signal (AIS - also known as “all
ones”) condition.
•
Verify that you have valid data
upstream.
•
Contact technical staff.
If problem persists, possible
hardware failure. Contact MRC
Technical Support.
E26A
T1/E12 AIS
T1/E1 2 Alarm Indication Signal -
The T1 or E1 signal attached is
transmitting an Alarm Indication
Signal (AIS - also known as “all
ones”) condition.
E26B
SMPTE LOS
SMPTE Loss of Signal - The given
interface doesn’t recognize or
can’t lock to the given input signal.
•
Verify a valid signal is
connected.
•
Contact technical staff.
If problem persists, possible
hardware failure. Contact MRC
Technical Support.
Table 4-2: SCM4000 Modulator Primary Error Codes (Continued)
Error
Code
Error Message
Meaning
Suggested Operator Action
Suggested Technical Staff
Action
Содержание SCM4000
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