Specifications

B-4 Cisco Multiport Router Installation and Configuration Guide
Opening the Chassis
Step 8 When the top cover is off, set it aside. Figure B-2 shows the layout of the system
card, which is the same for the routers.
Figure B-2 System Card Layout—Model 2520
Serial 0
Flash card socket
Daughter card
connectors
Serial 1
Boot ROMs
Serial 2Serial 3Ethernet
10BaseTConsole
Auxiliary BRI0
System-code SIMM sockets
Primary memory
(DRAM SIMM)
Shared memory
(fixed DRAM)
H5840
FW1
FW2
CODE1 CODE0