ZyXEL Communications XGS-4526 User Manual
XGS-4526/4528F/4728F User’s Guide
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H A P T E R
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Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The
potential problems are divided into the following categories.
potential problems are divided into the following categories.
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55.1 Power, Hardware Connections, and LEDs
The Switch does not turn on. None of the LEDs turn on.
1
Make sure the Switch is turned on (in DC models or if the DC power supply is
connected in AC/DC models).
connected in AC/DC models).
2
Make sure you are using the power adaptor or cord included with the Switch.
3
Make sure the power adaptor or cord is connected to the Switch and plugged in to
an appropriate power source. Make sure the power source is turned on.
an appropriate power source. Make sure the power source is turned on.
4
Turn the Switch off and on (in DC models or if the DC power supply is connected in
AC/DC models).
AC/DC models).
5
Disconnect and re-connect the power adaptor or cord to the Switch (in AC models
or if the AC power supply is connected in AC/DC models).
or if the AC power supply is connected in AC/DC models).
6
If the problem continues, contact the vendor.
The ALM LED is on.