Paradyne 7112 - Manual (Page 59)

7-1 7112-A2-GB20-20 March 1998
Testing
7
Detecting Problems
The DSU/CSU can detect and report problem conditions and perform diagnostic
tests. The DSU offers a number of indicators to alert you to possible problems:
H
LEDs – Refer to DSU/CSU LEDs in Chapter 6, Monitoring the DSU/CSU.
H
SNMP Traps – For information on traps, refer to Configuring SNMP Traps in
Chapter 8, Messages and Troubleshooting.
H
Health and status messages and network performance statistics. Refer to
Chapter 6,
Monitoring the DSU/CSU .
H Alarm Condition Indications.
The following table shows the available indicators of alarm conditions on the
network interface and the User Data port.
Alarm Condition
SNMP
Trap
ATI
Status
Screen
Specific
LED
Loss of Signal (LOS) Y 1 Y Y
Out of Frame (OOF) Y 1 Y Y
Alarm Indication Signal (AIS) Y 1 Y N
Excessive Error Rate (EER) Y 1 Y N
Yellow Y 1 Y Y
FDL Link Down Y 1 Y N
User Data Port Down Y 1 Y Y
1 Link Up/Link Down Trap