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7-1
CHAPTER
7
Line Card Service Procedures
This chapter describes procedures for servicing the line cards. Topics include:
■ Section 7.1 “Line Card Considerations” on page 7-1
■ Section 7.2 “Troubleshooting Line Cards” on page 7-2
■ Section 7.3 “Inspecting Line Cards” on page 7-3
■ Section 7.4 “Powering Off Line Cards” on page 7-6
■ Section 7.5 “Removing Line Cards” on page 7-7
■ Section 7.6 “Installing Line Cards” on page 7-12
■ Section 7.7 “Powering On Line Cards” on page 7-15
Commands described in this chapter are executed at the management console. See
the Sun Datacenter Switch 3456 Administration Guide for more information about these
commands.
7.1 Line Card Considerations
Caution – The thermal management of the switch chassis is compromised when a
line card slot is vacant. You must install a filler panel or replacement line card
immediately after removing one.
Line cards use high-density iTRAC connectors that interface with the midplane pins.
If these connectors are damaged, the pins of the midplane connector are also
damaged upon line card insertion.
Equally important, the line cards have iPASS connectors for attaching IB cables. If
one of these connectors is damaged, then 24 nodes of the line card cannot be used.