Datasheet
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Page 4 of 28
Q. How does the Cisco 3800 Series compare to the Cisco 2600XM, 2691, 2800, and 3700 platforms?
A. Table 4 offers a detailed feature comparison of these platforms.
Table 4. Feature Comparisons Between Cisco 2600XM, 2800, 2691, 3700, and 3800 Platforms
Feature Comparison 2600XM 2691 2800 3700 3800
Default/Maximum
Flash Memory
48/128 MB 64/128 MB 64/128 to 64/256 MB 32/256 MB 64/256 MB
Default/Maximum
DRAM
96/256 MB and
128/256 MB
128/256 MB 256/512 MB 128/256 MB 256 MB/1 GB
RAM Technology SDRAM SDRAM DDR-SDRAM SDRAM DDR SDRAM with ECC
LAN Connectivity One or two
10/100
interfaces
Two 10/100 Two 10/100 (2811) or
two 10/100/1000 (2821,
2851)
Two 10/100 Two 10/100/1000
Integrated SFP Slots No No No No Yes (one)
USB Ports No No Yes (two) No Yes (two)
WAN Slots 2 WICs 3 WICs 4 HWICs 3 WICs 4 HWICs
AIM Slots 1 2 2 2 2
Network Module Slots 1 network
module
1 network
module
1 NME (2811, 2821, or
2851)
2 network modules 2 NMEs (3825) or 4
NMEs (3845)
Integrated Security No (optional) No (optional) Yes No (optional) Yes
Encryption AIM Yes (BPII) Yes (EPII Yes (BPII Plus) Yes (EPII and HPII) Yes (EPII Plus and HPII
Plus)
Integrated Voice
Capability
Requires AIM or
network module
Requires AIM or
network module
Yes (up to 3 T1s) Requires AIM or network
module
Yes (up to 4 T1s)
Optional Integrated
Inline Power (PoE)
No No Yes (802.af and Cisco
supported)
Yes (Cisco only) Yes (802.af and Cisco
supported)
Enhanced Voice/Fax
Extension Module
No No Yes No Yes
Redundant Power
Supply
No External Cisco
RPS 600
External Cisco RPS 675 External Cisco RPS 600
(3725) or internal (3745)
External Cisco RPS 675
(3825) or internal (3845)
1-Port Gigabit
Ethernet
HWIC/Network Module
No Gigabit Ethernet
network module
Gigabit Ethernet HWIC Gigabit Ethernet network
module
Gigabit Ethernet HWIC
and Gigabit Ethernet
network module
4- and 9-Port Cisco
EtherSwitch
®
HWIC
No No Yes No Yes
Wireless HWIC No No Yes No Yes
16- and 36-Port Cisco
EtherSwitch Network
Module
Yes (16-port
only)
Yes (16-port
only)
Yes (36 port on 2851
only)
Yes Yes
OC-3 ATM No Yes No Yes Yes
T3/E3 ATM No Yes Yes Yes Yes
T3/E3 2650/51XM only Yes Yes Yes Yes
High-Speed Serial
Interface (HSSI)
No Yes Yes Yes Yes
4-Port Serial (NM-4T) No Yes No Yes Yes