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Cisco 2901
Cisco 2911
Cisco 2921
Cisco 2951
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 Power
Supply (Platform Only) (Watts)
175
250
370
405
Maximum End-Point PoE Power
Available from PoE Power Supply
(Watts)
130
200
280
370
Maximum End-Point PoE Power
Capacity with PoE Boost (Watts)
N/A
750
750
750
DC Input Voltage
N/A
24 to 60 Vdc,
autoranging positive or
negative
24 to 60 Vdc,
autoranging positive or
negative
24 to 60 Vdc,
autoranging positive or
negative
DC Input Current
N/A
(MAX) 8A (24V)
3.5A (60V)
(MAX) 12A (24V)
5A (60V)
(MAX) 12A (24V)
5A (60V)
Physical Specifications
Dimensions (H x W x D)
1.75 x 17.25 x 17.3 in.
(44.5 x 438.2 x 439.4
mm)
3.5 x 17.25 x 12 in. (88.9
x 438.2 x 304.8 mm)
3.5 x 17.25 x 18.5 in.
(88.9 x 438.2 x 469.9
mm)
3.5 x 17.25 x 18.5 in.
(88.9 x 438.2 x 469.9
mm)
Rack Height
1RU (rack unit)
2RU
2RU
2RU
Rack-Mount 19 in. (48.3 cm) EIA
Included
Included
Included
Included
Rack-Mount 23 in. (58.4 cm) EIA
Optional
Optional
Optional
Optional
Wall-Mount (refer to installation
guide for approved orientation)
Yes
Yes
No
No
Weight with AC Power Supply (No
Modules)
13.4 lb (6.1 kg)
18 lb (8.2 kg)
29 lb (13.2 kg)
29 lb (13.2 kg)
Weight with AC PoE Power Supply
(No Modules)
14.3 lb (6.5 kg)
19 lb (8.6 kg)
30 lb (13.6 kg)
30 lb (13.6 kg)
Typical Weight Fully Configured
16 lb (7.3 kg)
21 lb (9.5 kg)
34 lb (15.5 kg)
34 lb (15.5 kg)
Airflow
Front to side
Side to side
Back and Side to Front
Back and Side to Front
Optional Airflow Kit
N/A
Front to back
N/A
N/A
Environmental Specifications
Operating Conditions
Temperature: 5,906 feet (1,800m)
Maximum Altitude
32 to 104ºF (0 to 40ºC)
32 to 104ºF (0 to 40ºC)
32 to 104ºF (0 to 40ºC)
32 to 104ºF (0 to 40ºC)
Temperature: 9,843 feet (3,000m )
Maximum Altitude
32 to 77ºF (0 to 25ºC)
32 to 104ºF (0 to 40ºC)
32 to 104ºF (0 to 40ºC)
32 to 104ºF (0 to 40ºC)