ZyXEL Communications 782M Manuale Utente
P782M G.SHDSL Bridge
Chapter 9
Troubleshooting
This chapter covers potential problems and the corresponding remedies.
9.1 Problems Starting the Prestige
Table 9-1 Problems Starting the Prestige
PROBLEM
CORRECTIVE ACTION
No LEDs are on
when the
Prestige is
turned on.
when the
Prestige is
turned on.
Make sure that the Prestige’s power adapter is connected to the Prestige and plugged
in to an appropriate power source. Check that the Prestige and the power source are
both turned on.
in to an appropriate power source. Check that the Prestige and the power source are
both turned on.
Turn the Prestige off and on.
If error persists, it may be a hardware problem. Contact technical support.
1. Check to see if the Prestige is connected to your computer’s serial port.
VT100 terminal emulation.
9600 bps is the Prestige factory default speed. Try other
speeds in case it has been changed.
speeds in case it has been changed.
Cannot access
the Prestige via
the console
port.
the Prestige via
the console
port.
2. Check to see if the
communications program is
configured correctly. It
should be configured as
follows:
communications program is
configured correctly. It
should be configured as
follows:
No parity, 8 data bits, 1 stop bit, no flow control.
9.2 Problems Connecting with the WAN or Remote Node/ISP
Table 9-2 Problems Connecting with the WAN or Remote Node/ISP
PROBLEM
CORRECTIVE ACTION
Cannot initialize
the PVC
connection.
the PVC
connection.
Verify the xDSL port/wall jack cable connection. The xDSL LED should be on. If not,
verify in menu 24.1 that the Line Status field reads Down. Wait 10 minutes until the
PVC synchronizes and the field reads Up.
verify in menu 24.1 that the Line Status field reads Down. Wait 10 minutes until the
PVC synchronizes and the field reads Up.
If problems persist, check with the telephone company, ISP and/or the peer modem (in
a LAN-to-LAN application).
a LAN-to-LAN application).
Troubleshooting
9-1