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4 - 2 ONline Ethernet 10BASE-T Module User’s Guide
Troubleshooting With the Status LEDs
A blinking Port Status indicator may be a sign that the port detects a
potential problem. Once a port detects a problem, you can further analyze
the problem by counting the number of blinks. Table 4-1 provides
troubleshooting suggestions for each of the blinking sequences.
Table 4-1. Troubleshooting With the Port Status LEDs
LED State Indication
Possible
Problem
Troubleshooting
Suggestions
Off Port
Disabled
Port disabled Enable port.
10BASE-T
Module not
powered
Check the Controller
Module Power LEDs.
Broken LED Press the LED/Channel
Check button on the
Controller Module.
Bad 10BASE-T
Module
Replace module.