Nortel 7400 Hardware Installation page 69

Chapter 6
Multiservice Switch 7460 replacement
Prerequisites to replacing a Multiservice Switch 7460
Multiservice Switch 7400 Hardware Installation, Maintenance, and Upgrade
Replace a Nortel Networks Multiservice Switch 7460 to remove and install a
new shelf chassis when a non-replaceable component fails, such as bent pins
on the backplane.
• "Prerequisites to replacing a Multiservice Switch 7460" (page 69)
• "Multiservice Switch 7460 replacement task flow" (page 70)
CAUTION
Service loss due to an outage
Replacing a device removes it from service for the
duration of the replacement. Minimize the impact of the
outage by rerouting traffic to other nodes in the network
before powering down the device.
CAUTION
Risk of electrostatic damage
When handling processor cards, wear a grounded
antistatic wrist strap so that you do not damage electronic
parts. For more information, see "Avoiding damage from
static electricity" (page 208).
• Before you can replace a device you must assemble enough anti-static
packaging for the processor cards, and clear an area large enough to
temporarily store all of them. You also need to have appropriate
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