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2 Checking the Equipment Prior to Powering On
Check the fuse capacity of the power supply device.
Subrack Name
OptiX OSN 6800
Test the voltage between NEG(-) and RTN(+) on the DC PDU.
Voltage range
b
Checking the Subrack Power-on
Check the connection between the core end terminal of the power cable and the corresponding output terminal of
the power distribution box. Check if all power connectors are connected tightly. If not, use the flat-head screwdriver
to tighten the captive screws on the connectors of power cables.
Check the connection of the other end (with OT naked crimping connector) of the power cable with the PIU board.
Each subrack must be provided with two lines of power supply.
Turn on the power switch of the part A on the DC power distribution box for each subrack. Check if the subrack are
powered on. If powered on, go on turning on the power switch of the part B and then turn off the power switch of
the part A. Check if the subrack are powered on. If powered on, turn on the power switch of the part A.
Check the cabinet power indicator at the top of the cabinet. The green indicator stays on.
When the subrack is powered on, the fan starts to operate. Check the air ventilation at the top and the bottom of
the subrack.
Observe the STATE indicator on the front panel of the fan. Normally, it is always green.
If the STATE indicator is constantly red, it indicates that two or more fans are faulty.
If the STATE indicator is constantly yellow, it indicates that one fan is faulty.
WARNING
Do not insert or remove power plugs and the PIU when the power is on.
Maximum Power Consumption
of a Single Subrack
1350 W
Power supply is -48 V
-40 V to -57.6 V
Circuit
Breaker
32 A
Power supply is -60 V
-48 V to -72 V
44
CAUTION
When the supply voltage is
not the required, do not
connect the power.
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