Datasheet

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Technical
Specifications
Cisco 4451-X
Cisco 4431
Cisco 4351
Cisco 4331
Cisco 4321
Maximum power with
AC power supply
(watts)
450 (no PoE)
250 (no PoE)
430
250
125
Maximum power with
PoE power supply
(platform only) (watts)
1000 with PoE
redundant
1450 with PoE boost
no redundancy
500 with PoE
redundant
1000 with PoE boost
no redundancy
990
530
260
Maximum endpoint
PoE power available
from PoE power
supply (watts)
500 W with optional
redundancy
250 W with optional
redundancy
500
250
120
Maximum endpoint
PoE power capacity
with PoE boost
(watts)
950 W no
redundancy
500 W no redundancy
N/A
N/A
N/A
Sizes and Weights
Dimensions
(H x W x D)
3.5 x 17.25 x 18.5 in.
(88.9 x 438.15 x
469.9 mm)
Shipping box size:
9.75 x 22.25 x 26 in.
(24.76 x 56.51 x
66.04 mm)
1.73 x 17.25 x 19.97
in.
(43.9 x 438.15 x 507.2
mm)
Shipping box size:
7.88 x 22.25 x 28.75
in. (200.2 x 565.1 x
730.25 mm)
3.5 x 17.25 x 18.5 in
(88.9 x 438.15 x 469.9
mm)
Shipping box size:
9.75 x 22.25 x 26 in
(24.76 x 56.51 x 66.04
mm)
1.75 x 17.25 x 17.25
in
(44.45mm x
438.15mm x
438.15mm)
Shipping box size:
7.125 x 22.75 x 22.5
in (180.98 x 577.85 x
571.5)
1.75 x 14.55 x 11.60
in
(44.55 x 369.57 x
294.64mm)
Shipping box size:
7.0 x 21.5 x 16.125
(177.8m x 546.1 x
409.6)
Rack height
2 rack units (2RU)
1 rack units (1RU)
2 rack units (2RU)
1 rack unit (1RU)
1 rack unit (1RU)
Rack-mount 19in.
(48.3 cm) EIA
Included
Included
Included
Included
Included
Rack-mount 23in.
(58.4 cm) EIA
Optional
Optional
Optional
Optional
N/A
Wall-mount
No
Yes
No
Yes
Yes
Weight with 1, 450-
WAC power supply
(no modules)
28.8 lb (13.1 kg)
N/A
27.3 lb (13.1 kg)
N/A
N/A
Weight with 1 1,000-
WAC power supply+ 1
PoE power module
(no other modules)
30.5 lb (13.9 kg)
N/A
29.1 lb (13.2 kg)
N/A
N/A
Weight with AC PS
(no modules)
N/A
18.5 lb (8.4 kg)
N/A
11.0 lb (5.0 kg)
7.0 lb (3.5 kg) + 1.2 lb
(55 kg) external PS
Weight with AC PS
with POE (no
modules)
N/A
18.6 lb (8.4 kg)
N/A
11.4 lb (5.2 kg)
N/A
Typical weight (fully
loaded with modules)
42.7 lb (19.4 kg)
22.4 lb (10.2 kg)
37.7 lb (17.1 kg)
14.6 lb (6.6 kg)
9.14 lb (4.15 kg) + 1.2
lb (55 kg) external PS
Airflow
I/O side to bezel side
I/O side to bezel side
I/O side to bezel side
I/O side to bezel side
Right I/O side to Left
I/O side
Environmental Specifications
Operating Conditions
Temperature
(altitude 0-10000 ft)
(altitude 0-3000m)
32 to 104ºF
(0 to 40ºC)
32 to 104ºF
(0 to 40ºC)
32 to 104ºF
(0 to 40ºC)
32 to 104ºF
(0 to 40ºC)
32 to 104ºF
(0 to 40ºC)