| |
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 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) |
|
Temperature: 13,123 feet (4,000m) Maximum Altitude |
N/A |
32 to 86ºF (0 to 30ºC) |
32 to 86ºF (0 to 30ºC) |
32 to 86ºF (0 to 30ºC) |
|
Temperature: Short-Term (per NEBS) 5906 feet (1,800m) Maximum Altitude |
N/A |
23°F to 122°F (-5 to 50°C) |
N/A |
23°F to 122°F (-5 to 50°C) |
|
Altitude |
10,000 ft (3,000m) |
13,000 ft (4,000m) |
10,000 ft (3,000m) |
13,000 ft (4,000m) |
|
Relative Humidity |
10 to 85% |
5 to 85% |
10 to 85% |
5 to 85% |
|
Short-Term (per NEBS) Humidity |
N/A |
5% to 90%, but not to exceed 0.024 kg water/kg of dry air |
N/A |
N/A |
|
Acoustic: Sound Pressure (Typical/Maximum) |
41/53 dBA |
51.8/62.9 dBA |
54.4/67.4 dBA |
54.4/67.4 dBA |
|
Acoustic: Sound Power (Typical/Maximum) |
49/61 dBA |
58.5/70.3 dBA |
62.6/74.5 dBA |
62.6/74.5 dBA |
|
Non-Operating Conditions |
|
Temperature |
-40 to 158ºF (-40 to 70ºC) |
-40 to 176ºF (-40 to 80ºC) |
-40 to 158ºF (-40 to 70ºC) |
-40 to 158ºF (-40 to 70ºC) |
|
Relative Humidity |
5 to 95% |
5 to 95% |
5 to 95% |
5 to 95% |
|
Altitude |
15,000 ft (4,570m) |
15,000 ft (4,570m) |
15,000 ft (4,570m) |
15,000 ft (4,570m) |
|
Regulatory Compliance |
|
Safety |
UL 60950-1
CAN/CSA C22.2 No. 60950-1
EN 60950-1
AS/NZS 60950-1
IEC 60950-1 |
UL 60950-1
CAN/CSA C22.2 No. 60950-1
EN 60950-1
AS/NZS 60950-1
IEC 60950-1 |
UL 60950-1
CAN/CSA C22.2 No. 60950-1
EN 60950-1
AS/NZS 60950-1
IEC 60950-1 |
UL 60950-1
CAN/CSA C22.2 No. 60950-1
EN 60950-1
AS/NZS 60950-1
IEC 60950-1 |
|
EMC |
47 CFR, Part 15
ICES-003 Class A
EN55022 Class A
CISPR22 Class A
AS/NZS 3548 Class A
VCCI V-3
CNS 13438
EN 300-386
EN 61000 (Immunity)
EN 55024, CISPR 24
EN50082-1 |
47 CFR, Part 15
ICES-003 Class A
EN55022 Class A
CISPR22 Class A
AS/NZS 3548 Class A
VCCI V-3
CNS 13438
EN 300-386
EN 61000 (Immunity)
EN 55024, CISPR 24
EN50082-1 |
47 CFR, Part 15
ICES-003 Class A
EN55022 Class A
CISPR22 Class A
AS/NZS 3548 Class A
VCCI V-3
CNS 13438
EN 300-386
EN 61000 (Immunity)
EN 55024, CISPR 24
EN50082-1 |
47 CFR, Part 15
ICES-003 Class A
EN55022 Class A
CISPR22 Class A
AS/NZS 3548 Class A
VCCI V-3
CNS 13438
EN 300-386
EN 61000 (Immunity)
EN 55024, CISPR 24
EN50082-1 |
|
Telecom |
TIA/EIA/IS-968
CS-03
ANSI T1.101
ITU-T G.823, G.824
IEEE 802.3
RTTE Directive |
TIA/EIA/IS-968
CS-03
ANSI T1.101
ITU-T G.823, G.824
IEEE 802.3
RTTE Directive |
TIA/EIA/IS-968
CS-03
ANSI T1.101
ITU-T G.823, G.824
IEEE 802.3
RTTE Directive |
TIA/EIA/IS-968
CS-03
ANSI T1.101
ITU-T G.823, G.824
IEEE 802.3
RTTE Directive |