Справочник Пользователя для ZyXEL Communications P-660RU-Tx

P-660RU-Tx User’s Guide

This chapter offers some suggestions to solve problems you might encounter. The 
potential problems are divided into the following categories. 

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The P-660RU-Tx does not turn on. None of the LEDs turn on.

Make sure the P-660RU-Tx is turned on. 

Make sure you are using the power adaptor or cord included with the P-660RU-Tx.

Make sure the power adaptor or cord is connected to the P-660RU-Tx and plugged 
in to an appropriate power source. Make sure the power source is turned on.

Turn the P-660RU-Tx off and on. 

If the problem continues, contact the vendor.

One of the LEDs does not behave as expected.

Make sure you understand the normal behavior of the LED. See 

Check the hardware connections. See the Quick Start Guide.