Juniper MX960 Hardware Manual page 658

9. 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.
10. Move the AC input switch above the power supply to the on (—) position.
Figure 245: MX960 AC Power Input Mode Switch
11. If the power supply is correctly installed and functioning normally, the INP OK, DC OK LEDs light
steadily, and the PS FAIL LED is not lit. See
Table 119: MX960 or High-Voltage Second-Generation Universal Power Supply LEDs
Connected Inputs
PDM connected, power
supply disconnected
PDM disconnected, power
supply connected
PDM connected, power
supply connected
PDM connected, power
supply disconnected
PDM disconnected, power
supply connected
Table 113 on page
LEDs
INP OK
Green
Off
Green
Green
Off
340.
DC OK
Green
Green
Green
Off
Off
PS FAIL
Off
Off
Off
Red
Red
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