ZyXEL GS2200-48 User Guide - Page 303
Power, Hardware Connections, and LEDs
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CHAPTER 42 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 42.1 Power, Hardware Connections, and LEDs The Switch does not turn on. None of the LEDs turn on. 1 Make sure you are using the power adaptor or cord included with the Switch. 2 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. 3 Disconnect and re-connect the power adaptor or cord to the Switch. 4 If the problem continues, contact the vendor. The ALM LED is on. 1 Disconnect and re-connect the power adaptor or cord to the Switch. 2 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 36. 2 Check the hardware connections. See Section 42.1 on page 303. 3 Inspect your cables for damage. Contact the vendor to replace any damaged cables. GS2200-8/24 User's Guide 303