Cisco 12000 Series Replacement Instructions Manual page 21

Figure 8
Place the DIMM in an antistatic bag to protect it from ESD damage.
Step 6
Repeat
Installing Route Memory DIMMs on an RP
This section describes how to install a new DIMM on the RP.
To prevent router and memory problems when installing memory, the card's DIMMs must be 3.3-volt,
Caution
60-ns, extended data output (EDO) devices. Do not attempt to install other devices in the RP's DIMM
sockets.
DIMMs are sensitive electronic components that can be damaged by ESD and contaminated by
Caution
mishandling. Do not touch the integrated circuit devices on the DIMM, the metal traces, or fingers, along
the edge of the DIMM, or the pins in the DIMM socket.
To install the new DIMMs, follow these steps:
Attach an ESD-preventive wrist strap to your wrist and connect the leash to one of the ESD connection
Step 1
sockets on the front of the chassis or to a bare metal surface on the chassis.
Place the RP on an antistatic mat or pad and position the RP so that the faceplate is toward you and the
Step 2
backplane connector is away from you.
Locate the two DIMM sockets on the RP, labeled as follows (see
Step 3
•
•
•
•
Remove a new DIMM from the antistatic bag.
Step 4
78-4338-16
Handling a DIMM
Key
Step 4 through Step 6 for the remaining DIMM, if required for your upgrade.
U39 (bank 1) GRP
U42 (bank 2) GRP
U15 (bank1) PRP
U18 (bank2) PRP
Replacing and Upgrading Route Processor Route Memory
Figure 1
Cisco 12000 Series Router Memory Replacement Instructions
and Figure 2):
21