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Installing and Routing cables
3
Installing and Routing Power Cables － Power Distribution Unit (DPD63-8-8)
The PDU (DPD63-8-8) consists of two parts: A and B, which backs up each other. Both A and B receive four -
48V/-60V power supplies and output four power supplies for subracks in the cabinet.
1 Power supply input area
(Positive)
Power switch
Power supply input area (Positive): There are four input terminals on areas A and B respectively. These
input terminals are used to be connected to positive poles of external power cables and are marked as RTN(+)
A1 to RTN(+) A4 and RTN(+) B1 to RTN(+) B4 from left to right.
Power supply input area (Negative): There are four input terminals on areas A and B respectively. These
input terminals are used to be connected to negative poles of external power cables and are marked as
INPUT A A1(-) to A4(-) and INPUT B B1(-) to B4(-) from left to right.
Power supply output area (Positive): There are four output terminals on areas A and B respectively. These
input terminals are used to be connected to positive poles of the subrack power cables and are marked as
RTN(+) A1 to RTN(+) A4 and RTN(+) B1 to RTN(+) B4 from left to right.
Power supply output area (Negative): There are four output terminals on areas A and B respectively. These
input terminals are used to be connected to negative poles of the subrack power cables and are marked as
OUTPUT A A1(-) to A4(-) and OUTPUT B B1(-) to B4(-) from left to right.
Suggestion
Installing copper plates
Yes
No
2 Power supply output area
(Positive)
A Area A of the DC PDU
Installing Copper Plates on Site
Standard power input of the cabinet
Yes
No
3 Power supply input area
(Negative)
B Area B of the DC PDU
Power input of each subrack
4 × 125 A
8 × 63 A
7
4 Power supply output area
(Negative)
-
2 × 125 A
4 × 63 A
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