Chapter 2: System hardware
Power supply units (PSU)
Table 12 AC+DC Enhanced Power Injector specifications
Category
Specification
Dimensions
250 mm (9.75 in) x 40 mm (1.5 in) x 80 mm (3 in)
Weight
0.864 Kg (1.9 lbs)
Temperature
-40°C (-40°F) to +60°C (140°F)
Humidity
0 to 90% non-condensing
Waterproofing
Not waterproof
AC Input
90-264 V AC, 47-60 Hz
Alternative DC Input
37-60 V DC
DC Output Voltage
For mains input: 58 V, +2V, -0V
For DC input: Output voltage at maximum rated output
current, not more than 1.5 V below the DC input voltage.
Maximum length of DC output cable: 3 meters.
AC Input connector
IEC-320-C8
DC Output current
1.7A
Efficiency
Better than 84%
Over Current Protection
Hiccup current limiting, trip point set between 120% to
150% of full load current
Hold up time
At least 20 milliseconds
Power factor
Better than 0.9
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