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Chapter
6 Monitoring and Diagnostics
Installation and Operation Manual
6-82
Troubleshooting
ACE-3105, ACE-3205 Ver. 5.2
Fault/Problem
Probable Cause
Remedy Action
SYSTEM RDY LED
blinks
Self test failed
Access the Self Test Result screen
to locate the failure and then send
the unit for repair. If the screen is
not accessible, sent the unit for
repair.
SDH/SONET SYNC
LED is off
SONET/SDH Rx
path failure
•
Check the SONET/SDH statistics
•
(SONET/SDH) Upon AIS, check
remote unit status
•
Check the fiber or cable and Rx
levels, as well as the remote unit
Tx level
SDH/SONET SYNC
LED blinks
SONET/SDH Tx
path failure
•
Check the SONET/SDH to verify
RDI received
•
Check the Tx optical power to
see whether it is in range. If out
of range, send it for repair
•
Check the fiber optic
connections
Ethernet LINK LED
is off
Ethernet cable problem
•
Check the Ethernet cable to see
whether a cross or straight cable
is needed
•
Check/replace Ethernet cable
•
Check range to be within limits
•
Check the port by connecting to
a different port switch at the
remote end
•
Send the device for repair
ATM service problems
Physical layer problems
•
Check SONET/SDH statistics.
•
Follow remedial action described
in SONET/SDH SYNC LED is off
and ONET/SDH SYNC LED blinks.
ATM service problems
ATM layer problems
•
Check the ATM OAM statistics. If
AIS or RDI is received, check ATM
network modes.
•
Use CC to check ATM connection
integrity.
Echo in voice
•
Check the network delay and try
to decrease the delay
•
Try to decrease the CDVT buffer
setting
Содержание ACE-3105
Страница 1: ...ACE 3105 ACE 3205 Cell Site Gateways Version 5 2 INSTALLATION AND OPERATION MANUAL The Access Company...
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Страница 352: ...Chapter 6 Monitoring and Diagnostics Installation and Operation Manual 6 114 Technical Support ACE 3105 ACE 3205 Ver 5 2...
Страница 380: ...Appendix D Clock Modes Installation and Operation Manual D 8 DSL and PSN Timing Modes ACE 3105 ACE 3205 Ver 5 2...
Страница 396: ...Appendix E Encapsulation over PSN Installation and Operation Manual E 16 5BClock Encapsulation ACE 3105 ACE 3205 Ver 5 2...
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