Datasheet
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Technical
Specifications
Cisco 4451-X
Cisco 4431
Cisco 4351
Cisco 4331
Cisco 4321
Temperature
(altitude 10000-
15000ft)
(altitude 3000m-
4600m)
32 to 95ºF
(0 to 35ºC)
32 to 95ºF
(0 to 35ºC)
32 to 95ºF
(0 to 35ºC)
32 to 95ºF
(0 to 35ºC)
32 to 95ºF
(0 to 35ºC)
Relative humidity
5% to 85%
5% to 85%
5% to 85%
5% to 85%
5% to 85%
Short-term humidity
5% to 90%, not to
exceed 0.024 kg
water/kg of dry air
5% to 90%, not to
exceed 0.024 kg
water/kg of dry air
5% to 90%, not to
exceed 0.024 kg
water/kg of dry air
5% to 90%, not to
exceed 0.024 kg
water/kg of dry air
5% to 90%, not to
exceed 0.024 kg
water/kg of dry air
Acoustic: Sound
pressure
(typical/maximum)
50.6/73.1 µPa
54.3/79.1 µPa
50.6/73.1 µPa
52.8/74.8 µPa
24.2/51.9 µPa
Acoustic: Sound
power
(typical/maximum)
58.2/78.8 W
57.2/80.8 W
58.2/78.8 W
61.2/81.6 W
31.9/59.9 W
Nonoperating Conditions
Temperature
-13 to 158ºF
(-25 to 70ºC)
-13 to 158ºF
(-25 to 70ºC)
-13 to 158ºF
(-25 to 70ºC)
-13 to 158ºF
(-25 to 70ºC)
-13 to 158ºF
(-25 to 70ºC)
Relative humidity
5% to 95%
5% to 95%
5% to 95%
5% to 95%
5% to 95%
Altitude
15,584 ft (4750m)
15,584 ft (4750m)
15,584 ft (4750m)
15,584 ft (4750m)
15,584 ft (4750m)
Regulatory and 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
GB-4943
UL 60950-1
CAN/CSA C22.2 No.
60950-1
EN 60950-1
AS/NZS 60950-1
IEC 60950-1
GB-4943
UL 60950-1
CAN/CSA C22.2 No.
60950-1
EN 60950-1
AS/NZS 60950-1
IEC 60950-1
GB-4943
UL 60950-1
CAN/CSA C22.2 No.
60950-1
EN 60950-1
AS/NZS 60950-1
IEC 60950-1
GB-4943
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
SD/EMI
KN22, KN24
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
KN22, KN24
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
KN22, KN24
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
KN22, KN24
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
KN22, KN24