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Handling Line Cards
Handling Line Cards
Caution
Always handle the line card by the carrier edges and handle; never touch the line card components or
connector pins. (See
Figure 3-1
Online Insertion and Removal
The Cisco 7304 router supports online insertion and removal (OIR) of line cards; therefore, you do not
have to power down the router when removing and replacing an OC12 POS line card on a Cisco 7304
router. The Cisco 7304 router also supports CLI-controlled OIR (see the
on page
Note
As you disengage the line card from the router, online insertion and removal (OIR) administratively
shuts down all active interfaces in the line card.
Note
Before you begin installation, read
required for installation.
Warnings and Cautions
Observe the following warnings and cautions when installing or removing line cards.
Note
If a line card lever or other retaining mechanism does not move to the locked position, the line card is
not completely seated in the backplane. Carefully pull the line card halfway out of the slot, reinsert it,
and move the line card lever to the locked position.
OC12 Packet Over SONET Line Card Installation and Configuration
3-2
Figure
3-1.)
Handling a Line Card
Printed circuit board
Metal carrier
4-13), which allows for the completion of data traffic before the active interfaces are shut down.
Chapter 2, "Preparing for Installation,"
Chapter 3
Removing and Installing Line Cards
"CLI-Controlled OIR" section
for a list of parts and tools
OL-3437-01
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