Table 4-2. Troubleshooting Malfunctions (Continued)

Symptom

Possible Cause

Corrective Action

 

 

 

The terminal fails to

The RS-232 cable

Try a different RS-232

respond to

pinouts are wired

cable. Refer to Appendix

commands entered

incorrectly or the

A, Specifications, for

at the keyboard

cable is defective.

information on RS-232

(continued)

 

cable pinouts.

 

 

 

 

The terminal is

Repair or replace the

 

malfunctioning.

terminal.

 

 

 

Panic message

Module parameters

Contact the 3Com

appears on the

are lost from

CustomerSupportCenter.

terminal

NVRAM.

 

 

 

 

Troubleshooting 4 - 7

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3Com RMON-EMP-3 installation and operation guide Nvram