ZyXEL Communications Prestige 642M series, Руководство пользователя

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Prestige 642M Series ADSL Bridge
Troubleshooting 7-1
Chapter 7
Troubleshooting
This chapter covers potential problems and possible remedies.
After each problem description, corrective instructions are provided to help you diagnose and solve the
correlating problem.
7.1 Problems Starting Up the Prestige
Table 7-1 Troubleshooting the Start-Up of your Prestige
Problem Corrective Action
None of the LEDs are on when
you power on the Prestige. 1. Check the connection between the AC adapter and the Prestige.
2. If the error persists, you may have a hardware problem. In this
case you should contact technical support.
1. Check to see if the Prestige is connected to your computer’s serial
port.
VT100 terminal emulation.
9600 bps.
Cannot access the Prestige via the
console port.
2. Check to see if the
communications program is
configured correctly. The
communications software should
be configured as follows:
No parity, 8 Data bits, 1 Stop
bit.
7.2 Problems With the WAN Interface
Table 7-2 Troubleshooting the ADSL connection
Problem Corrective Action
Initialization of the PVC
connection failed. Ensure that the cable is connected properly from the ADSL port to
the wall jack. The ADSL LED on the front panel of the Prestige
should be on. Check that your VPI, VCI, type of encapsulation and
type of multiplexing settings are the same as what you collected
from your telephone company and ISP. Reboot the Prestige. If you
still have problems then you may need to verify these variables with
the telephone company and/or ISP.