Figure 113: Disconnecting Power Cables From The Dc Power Supply - Juniper Core Router T Series Hardware Manual

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Copyright © 2018, Juniper Networks, Inc.
CAUTION: You must ensure that power connections maintain the proper
polarity. The power source cables might be labeled
their polarity. There is no standard color coding for DC power cables. The
color coding used by the external DC power source at your site determines
the color coding for the leads on the power cables that attach to the
terminal studs on each power supply.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
3.
the strap to one of the ESD points on the chassis. For more information about ESD,
see "Preventing Electrostatic Discharge Damage to a T320 Router" on page
Switch the circuit breaker on the power supply faceplate to the off position (
4.
Remove the power cable from the DC power source.
5.
Remove the clear plastic cover protecting the terminal studs on the faceplate.
6.
Remove the nuts and washers from the terminal studs (see
7.
(Use a 7/16–in. nut driver or pliers.)

Figure 113: Disconnecting Power Cables from the DC Power Supply

Remove the cable lug from the terminal studs.
8.
Loosen the captive screw on the cable restraint on the right edge of the power supply
9.
faceplate.
Carefully move the power cable out of the way.
10.
T320 Power System Description on page 83
T320 Power System Electrical Specifications on page 96
Chapter 28: Replacing Power System Components
and
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Figure 113 on page
to indicate
(–)
330.
).
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255).
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