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c. Tighten the screws on the PSM terminals until snug using the screwdriver. Do not overtighten
the screws.
CAUTION: The V+ terminals are shunted internally, as are the V– terminals. The
same polarity terminal can be wired together from the same source to provide an
additional current path in a higher power chassis. Do not connect the terminals to
different sources.
8.
Replace the terminal block cover.
9.
Close the input 2-pole circuit breaker.
NOTE: The switch powers on as soon as power is provided to the PSM. There is no power
switch on the device.
10. Verify that the IN and OUT LEDs on the PSM are lit green and are on steadily.
CAUTION: A system reboot with Routing Engine FPGA version 7.1 might not
successfully boot the Junos OS software. In case of a system reboot failure, you
need to power cycle the switch. To check the current FPGA version, issue the show
chassis firmware command.
Figure 30: Connect DC Power Cable to an ACX7100-32C Router
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ACX7100-32C Power System | 21
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Troubleshooting
