Cisco 3640 4 SLOT ROUTER Specification Guide
Cisco Systems, Inc.
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The 3640A is identical to the 3640 in terms of physical characteristics, interface support, performance, memory and
IOS feature support. All currently open mainline release trains and the 12.2T release train will be supported, starting
with the latest maintenance releases: IOS Releases 12.0(24), 12.1(17), 12.2(12) and 12.2(11)T1. The Cisco 3640
and 3640A will continue to support new IOS features through 12.2T and 12.3T, and software support will be
provided through 12.4M or November 2005, whichever comes first.
Information about the 3640A Router can be found at: http://www.cisco.com/warp/public/cc/pd/rt/3600/
Additional Information
For additional information, please consult your Cisco Partner or Cisco Systems Engineer.
Table 3: Product Comparison
Cisco 3640
Cisco 3640A
Cisco 3745
Cisco 3725
Performance (kpps)
50-70
50-70
225
100
Rack Unit Height
2RU
2RU
3RU
2RU
Integrated 10/100
Ethernet Interfaces
Ethernet Interfaces
0
0
2
2
Network Module slots
4
4
4
2
WAN Interface Card
slots
slots
0
0
3
3
Advanced Integration
Module slots
Module slots
0
0
2
2
Default and maximum
DRAM memory
DRAM memory
32 MBup to 128
MB
MB
32 MBup to 128 MB
128 MB up to 256 MB
128 MB up to 256
MB
MB
Default and maximum
flash memory
flash memory
16 MBup to 32
MB
MB
16 MBup to 32 MB
32 MB up to 128 MB
32 MB up to 128 MB
Power Options
AC, DC, RPS
AC, DC, RPS
AC, DC, Internal RPS
AC (DC, RPS shortly)
Internal IP Phone Power
Supply Option
Supply Option
No
No
Yes
Yes
First supported IOS
releases
releases
11.1(7)AARPS:
11.2(7)P
11.2(7)P
12.0(24),12.1(17),12.2
(12),12.2(11)T1
(12),12.2(11)T1
12.2(8)T
12.2(8)T