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b
Cabinet and Subrack Power Cable Connections (TN11PDU)
1
Subrack power
output terminals
SW2A
1
Cabinet power
terminal
Subrack 4
Subrack 3
Subrack 2
Subrack 1
RTN2(+)
NEG1(-)
RTN1(+)
NEG2(-)
PGND of cabinet
SW4A
power terminal
SW3A
SW5A
2
Subrack power
output terminals
SW2B
SW4B
SW3B
SW5B
NOTE
The TN11PIU02 board supports –48 V
and –60 V DC power options. The
TN11PIU03 boards supports only –48
V DC power options.
Mapping between subracks and power supply
switches
Power Switch No.
SW2A, SW2B
SW3A, SW3B
SW4A, SW4B
SW5A, SW5B
2
PIU
RUN
PIU
RUN
28
Subrack No.
1
2
3
4
Subrack power terminal
Power cable
Flat-head screwdriver
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