Replacing Hardware Components
alternately or at very differentrates can cause the PIC to become lodged in the
FPC slot, making it difficult to turn the screws).
8. Slide the PIC out of the FPC card carrier and place it in th e electrostatic bag or
on the antistatic mat.
9. If you are not reinstallinga PIC into the emptied PIC slot within a short time,
install a blank PIC panel over the slot to maintain proper ai rflow in the FPC
card cage.
Figure 92: Removing a PIC
1913
R
Installing a PIC
To installa PIC, follow this procedure (see Figure 93 and Figure94):
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wris t and
connect the strap toone of the ESD points on the chassis. Make sure the router
is attached to a proper earth ground. For more information about ESD, see
“Preventing ElectrostaticDischarge Damage” on page 226.
Replacing Packet ForwardingEngine Components 181