B&B Electronics EIR405-T - Manual - Manual (Page 20)

16 Manual Documentation Number EIR405-T – 0912m
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Troubleshooting
Troubleshooting
• Verify that you are using a power supply ranging from 12 to 48VDC. Applying more
than 48VDC could cause damage to the switch.
• Be sure the proper cable is used in your network. Refer to the Cabling section of this
manual for help.
• Diagnosing LED Indicators: The switch can be monitored through the LED indicators
on the front panel of the switch. The LED’s can help describes common problems you
may encounter and where you may find possible solutions, to assist in identifying
problems.
• If the power indicators do not light on when power is applied, you may have a problem
with the power supply. Check for loose power connections, power losses or surges at the
power outlet.
• If the switch LED’s represent normal operating mode and the cable connections are
correct and no data is transmitted or received through the switch, contact your Network
Administrator for network configuration and status help.