ZyXEL Communications 792H - Manual (Page 413)

Appendices and Index
Troubleshooting 39-1
Chapter 39
Troubleshooting
This chapter covers potential problems and the corresponding remedies.
39.1 Problems Starting Up the Prestige
Table 39-1 Troubleshooting the Start-Up of Your Prestige
PROBLEM CORRECTIVE ACTION
None of the LEDs
turn on when I turn
on the Prestige. 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.
If the error persists, you may have a hardware problem. In this case, you should
contact your vendor.
1. Make sure the Prestige is connected to your computer's serial port.
VT100 terminal emulation.
9600 bps is the default speed on leaving the factory.
Try other speeds in case the speed has been changed.
I cannot access the
Prestige via the
console port.
2. Make sure the
communications program is
configured correctly. The
communications software
should be configured as
follows:
No parity, 8 data bits, 1 stop bit, data flow set to none.
39.2 Problems with the LAN Interface
Table 39-2 Troubleshooting the LAN Interface
PROBLEM CORRECTIVE ACTION
If the 10M/100M LEDs on the front panel are off, check the Ethernet cable
connections between your Prestige and computer.
Check for faulty Ethernet cables.
Make sure your NIC (Network Interface Card) is installed and functioning properly.
Cannot access the
Prestige from the
LAN.
Check the TCP/IP configuration on your computer. Make sure that the IP address
and the subnet mask of the Prestige and your computer(s) are on the same subnet.