ZyXEL ES3500-8PD User Guide - Page 335

Troubleshooting

Page 335 highlights

CHAPTER 46 Troubleshooting This chapter offers some suggestions to solve problems you might encounter. The potential problems are divided into the following categories. • Power, Hardware Connections, and LEDs • Switch Access and Login • Switch Configuration 46.1 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. 2 Make sure you are using the power adaptor or cord included with the Switch. For the ES3500-8PD, make sure the upstream PSE is connected to port 9 and the PD LED is on. 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. 4 Turn the Switch off and on. 5 Disconnect and re-connect the power cord to the Switch. 6 If the problem continues, contact the vendor. The ALM LED is on. 1 Turn the Switch off and on. 2 Disconnect and re-connect the power adaptor or cord to the Switch. 3 If the problem continues, contact the vendor. ES3500 Series User's Guide 335

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ES3500 Series User’s Guide
335
C
HAPTER
46
Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The potential
problems are divided into the following categories.
Power, Hardware Connections, and LEDs
Switch Access and Login
Switch Configuration
46.1
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.
2
Make sure you are using the power adaptor or cord included with the Switch. For the ES3500-8PD,
make sure the upstream PSE is connected to port 9 and the PD LED is on.
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.
4
Turn the Switch off and on.
5
Disconnect and re-connect the power cord to the Switch.
6
If the problem continues, contact the vendor.
The
ALM
LED is on.
1
Turn the Switch off and on.
2
Disconnect and re-connect the power adaptor or cord to the Switch.
3
If the problem continues, contact the vendor.