18
2
Installing Power Cables
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 )
Open the cover and remove the bolt.
Install the power cable by using
the removed bolt.
Reseat the cover.
CAUTION
If the AC power box (ETP 4890) is used, the IDU needs to use the BGND power cable and -48 V power cable that are
delivered with the AC power box. For details on the AC power box and its cables, see the IDU hardware description.
1
2
3
0 V
-48 V
50
±
5 Kgf.cm
M6
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.
