a1
(+)
a1
(-)
a2
(+)
a2
(-)
PDU
62
Subrack 1
a1
(-)
a2
(-)
a3
(-)
a4
(-)
b1
(-)
b2
(-)
b3
(-)
b4
(-)
b1
(+)
b3
(+)
b4
(+)
b2
(+)
a1
(+)
a3
(+)
a4
(+)
a2
(+)
DPD63-8-8 PDU
T64
Universal
platform
subrack
a3(+)
a3(-)
b3(+)
b3(-)
a4(+)
a4(-)
b4(+)
b4(-)
Power cable connections are the
same on the front and rear sides.
This page describes only the
front-side power cable
connections.
NOTE
1 x T64 Subrack + 4 x Universal Platform Subracks
d
7 Subrack Power Cable Connections
Subrack 2
Subrack 3
Universal
platform
subrack
Subrack 2
Subrack 3
a1
(+)
a1
(-)
a2
(+)
a2
(-)
b1
(+)
b1
(-)
b2
(+)
b2
(-)
Subrack 1
DC PDU Subrack
No.
Circuit
Breaker
No.
Circuit
Breaker
Current
SW1A,
SW2A,
SW1B,
SW2B
DPD63-8-8
PDU: 63 A
1
SW3A,
SW3B
DPD63-8-8
PDU: 63 A
2
SW4A,
SW4B
DPD63-8-8
PDU: 63 A
3
Mapping between Subracks and
DC PDUs
• For the T64 Enhanced subrack, the PIU boards installed back-to-back are in mutual
backup.
• For the T64 General, T32, and T16 subracks, PIU boards on the left and right sides
are in mutual backup.
• For the universal platform subracks, the PIU boards are installed on the right side and
the upper and lower PIU boards are in mutual backup.
• For details of the backup relationships between PIU boards, see the "Power
Redundancy" section.
CAUTION
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