Datasheet

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Table 7. Cisco 2900 Integrated Services Router Product Specifications
Cisco 2901
Cisco 2911
Cisco 2921
Cisco 2951
Services and Slot Density
Embedded Hardware-Based
Cryptography and Acceleration
Yes
Yes
Yes
Yes
Cisco Unified SRST Sessions
35
50
100
250
Cisco Unified CCME Sessions
35
50
100
150
Total Onboard WAN
10/100/1000 Ports
2
3
3
3
RJ-45-Based Ports
2
3
3
3
SFP-Based Ports (use of SFP
port disables the
corresponding RJ-45 port)
0
0
1
1
Service Module Slots
0
1
1
2
Double-Wide Service Module
Slots (use of a double-wide slot
will occupy all single-wide
service module slots in a 2900)
0
0
1
1
EHWIC Slots
4
4
4
4
Double-Wide EHWIC Slots (use
of a double-wide EHWIC slot
will consume two EHWIC slots)
2
2
2
2
ISM Slots
1
1
1
1
Onboard DSP (PVDM) Slots
2
2
3
3
Memory DDR2 ECC DRAM –
Default
512 MB
512 MB
512 MB
512 MB
Memory (DDR2 ECC DRAM) –
Maximum
2 GB
2 GB
2 GB
2 GB
Compact Flash (External) –
Default
slot 0: 256 MB
slot 1: none
slot 0: 256 MB
slot 1: none
slot 0: 256 MB
slot 1: none
slot 0: 256 MB
slot 1: none
Compact Flash (External) –
Maximum
slot 0: 4 GB
slot 1: 4 GB
slot 0: 4 GB
slot 1: 4 GB
slot 0: 4 GB
slot 1: 4 GB
slot 0: 4 GB
slot 1: 4 GB
External USB 2.0 Flash Memory
Slots (Type A)
2
2
2
2
USB Console Port (Type B) (up
to 115.2 kbps)
1
1
1
1
Serial Console Port
1
1
1
1
Serial Auxiliary Port
1
1
1
1
Power-Supply Options
AC and PoE
AC, PoE, and DC
AC, PoE, and DC
AC, PoE, and DC
RPS Support (External)
No
Cisco RPS 2300
Cisco RPS 2300
Cisco RPS 2300
Power Specifications
AC Input Voltage
100 to 240 VAC auto
ranging
100 to 240 VAC auto
ranging
100 to 240 VAC auto
ranging
100 to 240 VAC auto
ranging
AC Input Frequency
47 to 63 Hz
47 to 63 Hz
47 to 63 Hz
47 to 63 Hz
AC Input Current Range AC
Power Supply (Maximum)
1.5 to 0.6A
2.2 to 1.0A
3.4 to 1.4A
3.4 to 1.4A
AC Input Surge Current
<50A
<50A
<50A
<50A
Typical Power (No Modules)
(Watts)
40
50
60
70
Maximum Power with AC
Power Supply (Watts)
150
210
320
340
Maximum Power with PoE
175
250
370
405