GS1900 Series User’s Guide
243
C HAPTER 34
Tro uble sho o ting
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
34.1 Po we r, Ha rdwa re C o nne c tio ns, a nd 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).
2 Make sure you are using the power adapter or cord included with the Switch.
3 Make sure the power adapter 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 (in DC models or if the DC power supply is connected in AC/DC models).
5 Disconnect and re-connect the power adapter or cord to the Switch (in AC models or if the AC power
supply is connected in AC/DC models).
6 If the problem continues, contact the vendor.
One of the LEDs does not behave as expected.
1 Make sure you understand the normal behavior of the LED. See Section 3.3 on page 37.
2 Check the hardware connections. See
Chapter 2 on page 22.
3 Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4 Turn the Switch off and on (in DC models or if the DC power supply is connected in AC/DC models).
5 Disconnect and re-connect the power adapter or cord to the Switch (in AC models or if the AC power
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