Chapter 6 Troubleshooting; Table 6-1 Problems Starting The Prestige; Table 6-2 Problems Connecting With The Wan Or Channel/Isp - ZyXEL Communications Prestige 724 User Manual

G.shdsl csu/dsu
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PROBLEM
No LEDs are on when I
turn on the Prestige.
Cannot access the Prestige
via the console port.

Table 6-2 Problems Connecting with the WAN or Channel/ISP

PROBLEM
Cannot initialize the
PVC connection.
Cannot connect to a
channel or ISP.
Troubleshooting
This chapter covers potential problems and the corresponding remedies.

Table 6-1 Problems Starting the Prestige

Check the connection between the adapter and the Prestige.
If this error persists, you may have a hardware problem. If this is the case,
you should contact your vendor.
1. Check to see if the Prestige is connected to your computer's serial port.
2. Check to see if the
communications
program is configured
correctly. It should be
configured as follows:
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 is Down. Wait ten minutes until the
PVC synchronizes and the field reads Up. If the field does not eventually read Up,
verify in menu 2 that Service Type (Client or Server) and Transfer Rate are the
same as the peer. If problems persist, check with the telephone company, ISP
and/or the peer device (in a LAN-to-LAN application).
Check menu 11.1 to verify the correct Encapsulation for the channel.
Check remote management configuration in menu 11.1.
Prestige 724 G.SHDSL CSU/DSU
Troubleshooting
CORRECTIVE ACTION
VT100 terminal emulation.
9600 bps is the Prestige's factory default speed.
Try other speeds in case it has been changed.
No parity, 8 data bits, 1 stop bit, no flow control.
CORRECTIVE ACTION
Chapter 6
6-1

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