RAD Data comm MBE10-8 Manuel D’Utilisation
Chapter 4 Troubleshooting and Diagnostics
MBE Family Installation and Operation Manual
4-2
Alarms and Troubleshooting
If a persistent fault condition occurs, check that both MBE units are properly
configured. Check that all connectors are plugged in properly and that the cable
quality is good.
You can retrieve the MBE error messages by connecting a terminal to the MBE
unit's control port and calling up the MBE monitoring program.
configured. Check that all connectors are plugged in properly and that the cable
quality is good.
You can retrieve the MBE error messages by connecting a terminal to the MBE
unit's control port and calling up the MBE monitoring program.
Table 4-1. Troubleshooting Guide
Symptom
Possible Cause
Recommended Course of Action
All front panel indicators
are OFF
are OFF
The unit is not receiving power
Check that power is being supplied to the
unit
unit
Check the fuse and replace it if necessary
(by a qualified technician only)
Red LINK ERROR indicator is
blinking
blinking
(Link 1 and Link 2 for dual link
models)
models)
Corrupted frames are being received, or
the physical connection is unstable
the physical connection is unstable
Check the modem configuration and
cables
cables
Red LINK ERROR indicator is
ON
(Link 1 and Link 2 for dual link
ON
(Link 1 and Link 2 for dual link
models)
The LINK ERROR indicator is ON if the
link is configured in synchronous mode,
the link interface card set to DTE, and no
link is configured in synchronous mode,
the link interface card set to DTE, and no
clock signal is received
Check configuration settings
Check the modem configuration and
cables
cables
Red LAN ERROR indicator is
blinking
blinking
There is a temporary transmission
problem
problem
Check cable connections and ensure that
the proper cable type is being used.
the proper cable type is being used.
Red LAN ERROR indicator is
ON
ON
There is a problem with the LAN
connection
connection
Check that the LAN is connected
properly
properly
READY indicator is OFF
If LAN ERROR indicator is ON, or all
LINK ERROR indicators are ON, there is a
LINK ERROR indicators are ON, there is a
possible connection problem with the
LAN or Link
LAN or Link
Check LAN and Link connections
Debugging Messages
The Debug Messages log is a tool that helps detect the source or reason for
operational and connectivity problems. The log provides continuous information
about the MBE unit's connections, operations, and component functionality.
operational and connectivity problems. The log provides continuous information
about the MBE unit's connections, operations, and component functionality.
To view the Debug Messages log:
1. In the Main menu, type 0 (Exit).
1. In the Main menu, type 0 (Exit).
The Operational Status Messages screen appears.
2. To start the log, type DO (Debug Open). View the log until you see the
information that you need.
3. To exit the log, type DC (Debug Close).
Debug Messages Filters
You can enable and disable specific items to limit the scope of the Debug
Messages log. In this case, the log will display information only about the enabled
items. This may save troubleshooting time.
Messages log. In this case, the log will display information only about the enabled
items. This may save troubleshooting time.
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