20
1
Check the fuse current of the external power supply.
Check the voltage and polarity of the external power supply.
Recommended Current Value of the External Fuse
40 A
Standard Voltage of the Input Power
Allowable Voltage Range
–48 V ( DC )
–38.4 V to –57.6 V ( DC )
–60 V ( DC )
–48 V to –72 V ( DC )
NEG2(-)
INPUT
RTN2(+)
RTN1(+)
NEG1(-)
ON
OFF
20A
32A
32A
20A
ON
OFF
1
2
3
4
1
2
3
4
20A
32A
32A
20A
OUTPUT
OUTPUT
A
B
RTN(+)
NEG(-)
2
3
Installing Power Cables (2/2)
WARNING
The IDU does not support AC power. Do not connect the IDU to an AC power supply. Otherwise, equipment may be
damaged and you may be injured.