Paradyne CSU - Manual (Page 266)

8. Troubleshooting
8-2 September 2002 9128-A2-GB20-80
T Physical Tests on page 8-26
— Line Loopback
— Payload Loopback
— Repeater Loopback
— DTE Loopback
— Send Line Loopback
— Data Channel Loopbacks on a Frame Relay Link
— Send Remote Line Loopback
— Send and Monitor Pattern Tests
T IP Ping Test on page 8-35
T Lamp Test on page 8-40
Problem Indicators
The unit provides a number of indicators to alert you to possible problems:
Indicators . . . See . . .
LEDs Viewing LEDs and Control Leads and LED Descriptions in
Chapter 7, Operation and Maintenance , as well as the user
interface screen.
Main Menu
→
Status
→
Display LEDs and Control LEDs
Health and Status Table 7-8, Health and Status Messages, in Chapter 7,
Operation and Maintenance .
Main Menu
→
Status
→
System and Test Status
Messages also appear at the bottom of any menu-driven
user interface screen.
Performance statistics Performance Statistics in Chapter 7, Operation and
Maintenance , to help you determine how long a problem
has existed.
Alarm conditions that will
generate an SNMP trap Alarms on page 8-7.
SNMP traps Appendix B, SNMP MIBs and Traps, and RMON Alarm
Defaults .
Traps supported include warm-start, authentication-failure,
enterprise-specific (those specific to the unit), link-up, and
link-down.