User Guide

2 Troubleshooting Procedures 2.11 Modem Troubleshooting
Check 2 Modem cable may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 3.
Check 3 MDC may be faulty. Replace it with a new one following the steps in Chapter 4. If
the problem still occurs, perform Check 4.
Check 4 SD board may be faulty. Replace it with a new one following the instructions in
Chapter 4. If the problem still occurs, perform Check 5.
Check 5 Cable between MDC and system board may be faulty. Replace it with a new one
following the instructions in Chapter 4. If the problem still occurs, perform Check
6.
Check 6 System board may be faulty. Replace it with a new one following the instruction in
Chapter 4.
QOSMIO G10 Maintenance Manual (960-497) 2-55