System Checks - 3Com CoreBuilder 3500 Getting Started Manual

Table 11 summarizes the module LED activity.
Table 11 Module Diagnostics — LED Activity
LED Name Color
ERR (Error - Module) Steady
yellow
Blinking
yellow
E (Error - Port) Yellow
L (Link status - Port) Green
T (Traffic status - Port) Green
Indicates
Diagnostics failed.
A hardware/software
mismatch has
occurred.
Port not operational.
Diagnostics successful.
Port is receiving or
transmitting data.

System Checks

After the system has successfully completed the
power-up diagnostics, check the items in Table 12 to
verify that the system is operating correctly.
.
Table 12 System Power-up Checklist
Check Why?
Power-up error If the software finds a problem during
messages power up, messages are displayed in the
Administration Console connection
through the terminal serial port.
Normal LED When the power-up diagnostics are
activity running, the LEDs light in the pattern
described on page 48 in the section
"Power-up Diagnostics." After the system
successfully completes the power-up
diagnostics, check for the following
normal LED activity:
System PWR LED = green
RUN LED = blinking green
SYS LEDs = off
Module ERR LED = off
Ports L LEDs (Link port status) = green
E LEDs (Error port status) = off
T LEDs (Traffic port status) = flashing green
If you discover any abnormal conditions, see
Chapter 7.
System Checks 51