Chapter 11

Replacing Hardware Components
Most of the router’s hardwarecomponents are field-replaceable units (FRUs), which
means that you canremove and replace them yourself. When you need to replace a
router component, contactyour customer support or sales representative to order
the field-replaceable unit (FRU) that co ntains the component. For instructions, see
“Contacting Customer Support and Returning Hardware” on page 255. For a list of
the FRUs on the M160 router,see Field-Replaceable Units (FRUs)on page 4.
Tools and Parts Required on page 139
Replacing the CIP and RoutingEngine Interface Port Cables on page 141
Replacing Cooling System Components on page 148
Replacing Host Module Co mponents on page 159
Replacing PacketForwarding Engine Components on page 169
Replacing Power System Components on page 193
Tools and Parts Required
Toreplace hardware components, you need the tools and parts listedin Table 24.
Toolsand Parts Required 139