ZyXEL Communications Prestige 941, User Manual, Page: 85 / 99

Prestige 941 Cable Router
Troubleshooting
9-1
Chapter 9
Troubleshooting
This chapter covers the potential problems you may run into and the possible remedies. After each problem
description, some instructions are provided to help you to diagnose and solve the problem.
9.1 Problems Starting Up the Prestige
Table 9-1 Troubleshooting the Start-Up of Your Prestige
PROBLEM CORRECTIVE ACTION
None of the LEDs are on when
you power on the Prestige.
Check the connection between the AC adapter and the Prestige.
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
No parity, 8 Data bits, 1 Stop bit
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 Flow Control for some DOS
terminal emulation software
9.2 Problems With the Coaxial Cable
Table 9-2 Troubleshooting the Coaxial Cable
PROBLEM CORRECTIVE ACTION
CABLE LED does not flash. (Cannot lock on to
downstream channel). Check the conditions of coaxial cable connected to
the back of the cable router and the quality of the
cable tap. If not, improve connection condition and
cable tap quality.