Technical specifications
5.3 PoE output specifications
Internal fuse
Power supply
5.3
PoE output specifications
The RUGGEDCOM RST2228P adheres to the following power output and IEEE 802.3
specifications depending on the input voltage supplied to the device.
IEEE standard
54
Voltage rating
12 VDC
85 VAC/VDC
24 VDC
125 VAC/VDC
48 VDC
125 VAC/VDC
HI AC/DC
400 VDC/ 500
VAC
Input
802.3af
45 to 57 VDC
(Type 1)
802.3at
51 to 57 VDC
(Type 2)
Ampere
Fuse type
rating
12 A
Very fast acting
10 A
Very fast acting
5 A
Slow blow
3.15 A
Surge withstand
Power in
Internal
Required
fuse rating
power supply
(maximum)
isolation
12 A
1.5 KVAC
2.2 KVDC
Fuse delay
% of ampere
Opening time
rating
100%
4 hours
(minimum)
200%
5 seconds
(maximum)
100%
4 hours
(minimum)
200%
5 seconds
(maximum)
100%
4 hours
(minimum)
200%
1 second
(minimum),
60 seconds
(maximum)
150%
60 minutes
(minimum)
210%
30 minutes
(maximum)
275%
0.75 seconds
(minimum),
80 seconds
(maximum)
400%
0.095 seconds
(minimum),
5 seconds
(maximum)
1000%
0.01 seconds
(minimum),
15 seconds
(maximum)
Power out
Output
Per port
(maximum)
44 to 57 VDC
15 W
50 to 57 VDC
30 W
RUGGEDCOM RST2228P
Equipment Manual, 10/2023, C79000-G8976-1403-17
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