User manual

Component Removal and Installation 65
Component Removal and Installation
This section provides replacement instructions for various components. The line card, modem card, power supply,
fan assembly, and fuse may be replaced by any on-site personnel of average skill. However, the ribbon cable, sync
and terminal cable, and power inlet filter
must
be replaced at the factory.
Table 6 lists the various components that may need to be replaced, the required skill level, and where more detail is
provided.
Table 6 Component Level Troubleshooting
Component Skill Level
Required for
Field Installation
Reference
Line Card Operator Line Card Removal and Replacement on page 66
Modem Card Operator Modem Card Removal and Installation/Replacement on page 68
Power Supply Operator Power Supply Removal on page 73
Power Supply Installation/Replacement on page 8
Fan Assembly Operator Fan Assembly Removal and Replacement on page 75
Fuse Operator Fuse Replacement on page 76