8. Troubleshooting

TPhysical 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

IP Ping Test on page 8-35

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

StatusSystem 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

Alarms on page 8-7.

generate an SNMP trap

 

 

 

 

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.

 

 

 

 

8-2

September 2002

9128-A2-GB20-80

Page 266
Image 266
Paradyne 9128-II, CSU, DSU, 9126-II Problem Indicators, Indicators See, Main Menu → Status → Display LEDs and Control LEDs