Troubleshooting Procedures
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 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 5.
Check 5 System board may be faulty. Replace it with a new one following the instruction in Chapter 4.
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