Juniper MX2010 Hardware Manual page 515

Figure 256: Connecting Power Cables to the DC Power Distribution Module
D
Grounding points
(on chassis)
5. Route the positive and negative DC power cables through the plastic cable restraint cover. Make sure
that the cable does not touch or obstruct any router components.
6. Verify that the DC power cable is connected correctly, that it does not touch or block access to router
components, and that it does not drape where people could trip on it.
7. Attach the power cable to the DC power source.
8. Turn on the dedicated customer-site circuit breaker to the PDM.
9. Verify that the –48V LED on the PDM is lit steadily.
10. On each of the DC power input sources, switch the DC circuit breaker to the center position before
moving it to the ON position.
NOTE: The circuit breaker might bounce back to the OFF position if you move the breaker
too quickly.
Cable
Flat
Terminal
lug
washer
studs
Split
washer
Nut
499