10. Dress the power cords appropriately. Verify that the power cord does not block the
air exhaust and access to router components, and that they do not drape where people
could trip on them.
11. Move the AC input switch above the power supply to the on (—) position. This is the
only switch you have to turn on if you are using the power supply in one feed mode. If
using the power supply in two-feed mode, move the power switch on the power supply
to the on position. Remember to turn on both switches when operating the power
supply in two-feed mode.
12. If the power supply is correctly installed and functioning normally, the AC1 OK, AC2 OK
(two-feed mode only) DC OK LEDs light steadily, and the PS FAIL LED is not lit. See
Table 1 on page 19.
Table 1: MX960 High-Capacity AC Power Supply LEDs
LEDs
DIP Switch
Position
Connected
Inputs
PS FAILDC OKAC-2 OKAC-1 OK
OffGreenOffGreen0 (1 input)PDM connected,
power supply
disconnected
OffGreenGreenOff0 (1 input)PDM
disconnected,
power supply
connected
OffGreenGreenGreen0 (1 input)PDM connected,
PS connected
RedOffOffGreen1 (2 inputs)PDM connected,
PS disconnected
RedOffGreenOff1 (2 inputs)PDM
disconnected, PS
connected
OffGreenGreenGreen1 (2 inputs)PDM connected,
PS connected
Note: The corresponding appliance inlet located in the chassis directly above the power supply is the recommend receptacle when
using the power supply in one feed mode. If using the power supply in two-feed mode, plug the second power cord into the
receptacle on the power supply
Note: PDM in the above table stands for Power Distribution Module.
13. Repeat steps 1-12 for installing power supplies in slots 1, 2, and 3, where required.
19Copyright © 2015, Juniper Networks, Inc.
Connect Power to an AC Router with High-Capacity Power Supplies
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