Juniper SRX 5800, Hardware Manual

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5. Attach an ESD grounding strap to your bare wrist, and connect the strap to one of the ESD points on
the chassis.
6. Move the DC circuit breaker on the power supply faceplate to the off (O) position.
7. Remove the clear plastic cover protecting the terminal studs on the faceplate.
8. Remove the nut and washer from the terminal studs. (Use a 7/16–in. nut driver or socket wrench.)
9. Remove the cable lug from the terminal studs.
10. For a standard-capacity power supply, loosen the captive screw on the cable restraint on the lower
edge of the power supply faceplate.
11. Carefully move the power cable out of the way.
Connecting an SRX5800 Services Gateway DC Power Supply Cable
Before you begin to connect a DC power supply cable:
•
Ensure you understand how to prevent electrostatic discharge (ESD) damage. See “Prevention of
Electrostatic Discharge Damage” on page 505 .
Ensure that you have the following available:
•
ESD grounding strap
•
7/16–in. nut driver or socket wrench
WARNING: Before performing DC power procedures, ensure that power is removed
from the DC circuit. To ensure that all power is off, locate the circuit breaker on the
panel board that services the DC circuit, switch the circuit breaker to the off position,
and tape the switch handle of the circuit breaker in the off position.
To connect a power cable for a DC power supply:
1. Locate a replacement power cable that meets the specifications defined in “DC Power Cable
Specifications for the SRX5800 Services Gateway” on page 63 .
2. Verify that a licensed electrician has attached a cable lug to the replacement power cable.
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