Specifications

B-4 Router Installation and Configuration Guide
Opening the Chassis
Step 8 When the top cover is off, set it aside. Figure B-2 to Figure B-5 show the layout
of the system cards for models 2501 to 2504 and 2513 to 2515, respectively.
Figure B-2 System Card Layout—Model 2501, 2502, 2503, and 2504 Routers
H2351
Ethernet Serial 0 Serial 1 BRI Console Aux
Shared memory
(fixed DRAM)
Primary memory
(DRAM SIMM)
System-code SIMMs
(Flash or PROMs)
Boot ROMs
FW2 FW1
CODE1 CODE0
A
B
DRAM
Polarization
notch
Flash memory card socket