Figure 122: Dc Power Supply; Figure 123: Disconnecting Power Cables From The Dc Power Supply - Juniper T4000 Hardware Manual

T4000 Core Router Hardware Guide
308

Figure 122: DC Power Supply

Using a 7/16-in. (11 mm) nut driver, remove the nuts and washers from the terminal
3.
studs (see Figure 123 on page
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.

Figure 123: Disconnecting Power Cables from the DC Power Supply

Cable lug
Locking
washer
Nut
Remove the cable lugs from the terminal studs.
4.
Loosen the captive screws on the cable restraints on the right edge of the power
5.
supply faceplate.
Carefully move the power cables out of the way.
6.
Loosen the captive screws on the lower corners of the power supply faceplate
7.
completely.
308).
Terminal studs
Copyright © 2018, Juniper Networks, Inc.
and to indicate
(+) (–)