Cisco 12000 Series

8
Cisco 12000 Series Router Memory Replacement Instructions
78-4338-16
GRP, PRP, and Line Card Memory Overview
The general characteristics that determine which engine type a line card belongs to are as follows:
• Location of memory module sockets on the line card
• Number and function of memory module sockets
• Type of memory module sockets
Engine 0 and Engine 1 Line Card Memory Locations
Figure 3 shows the dual in-line memory module (DIMM) socket locations on an Engine 0 or Engine 1
line card. This line card is equipped with six DIMM sockets:
• Two route memory DIMM sockets
• Two pairs of packet memory DIMM sockets (RX and TX pairs)
Figure 3 Engine 0 and Engine 1 Line Card Memory Locations
1 Route memory DIMM0 4 Packet memory RX DIMM1
2 Route memory DIMM1 5 Packet memory TX DIMM0
3 Packet memory RX DIMM0 6 Packet memory TX DIMM1
ACTIVE
0
CARRIER
RX PKT
ACTIVE
1
CARRIER
RX PKT
Q OC-3/STM-POS
93275
2
1
5
6
3
4