Figure 76: Connecting Dc Power Cables; Figure 77: Connecting Negative (-) Dc Power Cables To Input 0, Input 1. Input - Juniper T4000 Hardware Manual

T4000 Core Router Hardware Guide
196
Remove the clear plastic cover protecting the terminal studs on the faceplate.
6.
Remove the nut and washer from each power terminal stud to be connected (
7.
, , ,
0 INPUT 1 INPUT 3 INPUT 4
nuts are already installed, they should be in the accessory box.
Remove the captive screws on the smallest cable restraint on the right edge of the
8.
power supply faceplate, and the largest cable restraint to the left (using a Phillips (+)
screwdriver, number 2).
Route the negative (–) DC source power cables for
9.
, over the smallest cable restraint on the far right. The cable restraint is marked
INPUT 4
as follows top to bottom:
NOTE: You must route the cables in the locations as marked to be able
to replace the clear plastic cover over the terminal studs.
Attach the negative (–) DC source power cable lugs to the –48V (input) terminals
on the right: ,
INPUT 0 INPUT 1
terminal studs, first with the washers, then with the nuts. Using a 7/16-in. (11 mm) nut
driver, tighten the nuts. Apply between 23 lb-in. (2.6 Nm) and 25 lb-in. (2.8 Nm) of
torque to each nut.

Figure 76: Connecting DC Power Cables

Cable lug
Locking
washer
Nut
Figure 77: Connecting Negative (–) DC Power Cables to INPUT 0, INPUT 1. INPUT 3, and
INPUT 4
, and , ,
RTN 0 RTN 1 RTN 3
INPUT 0
, ,
INPUT 0 INPUT 1 INPUT 3
, , and
INPUT 3 INPUT 4
Terminal studs
Copyright © 2018, Juniper Networks, Inc.
, and ). If no washers and
RTN 4
, , , and
INPUT 1 INPUT 3
, and .
INPUT 4
. Secure the cable lugs to the
INPUT