ZyXEL Communications P-660H-T Series User Manual

P-660H/HW-T Series User’ Guide

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Chapter 38 Troubleshooting

Table 120   Troubleshooting the WAN

The DSL LED is 

off.

Check the telephone wire and connections between the Prestige DSL port and the 

wall jack.

Make sure that the telephone company has checked your phone line and set it up 

for DSL service.

Reset your ADSL line to reinitialize your link to the DSLAM. For details, refer to the 

 (web configurator) or 

I cannot get a 

WAN IP address 

from the ISP.

The ISP provides the WAN IP address after authenticating you. Authentication 

may be through the user name and password, the MAC address or the host name.

The username and password apply to PPPoE and PPPoA encapsulation only. 

Make sure that you have entered the correct Service Type, User Name and 

Password (be sure to use the correct casing). Refer to the WAN Setup chapter 

(web configurator or SMT).

I cannot access 

the Internet.

Make sure the Prestige is turned on and connected to the network.
Verify your WAN settings. Refer to the chapter on WAN setup (web configurator) 

or the section on Internet Access (SMT).
Make sure you entered the correct user name and password.
If you use PPPoE pass through, make sure that bridge mode is turned on. 

The Internet 

connection 

disconnects.

Check the schedule rules. Refer to 

 (SMT).

If you use PPPoA or PPPoE encapsulation, check the idle time-out setting. Refer 

to the 

 (web configurator) or 

 (SMT). 

Contact your ISP.