Figure 71: Connecting Negative (-) Dc Power Cables To Input 2 And; Input - Juniper T4000 Hardware Manual

T4000 Router Hardware Guide
124
Replace the smallest cable restraint on the far right, and tighten the captive screw to
9.
hold the power cables for
Route the negative (–) DC source power cables for
10.
middle cable restraint. The middle cable restraint is marked as follows from top to
bottom: ,

INPUT 2

RTN 2
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 –48 V (input) terminals
on the right. Secure the cable lugs to the 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 71: Connecting Negative (–) DC Power Cables to INPUT 2 and
INPUT 5
Route the positive (+) DC source power cables for
11.
cable restraint. The middle cable restraint is marked as follows from top to bottom:
, , , and
INPUT 2 RTN 2 RTN 5
NOTE: You must route the cables as marked to be able to replace the
clear plastic cover over the terminal studs.
Attach the positive (+) DC source power cable lugs
(return) terminals on the left. Secure the cable lugs to the 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.
Replace the middle cable restraint, and tighten the captive screw to hold the power
12.
cables for INPUT 2 , INPUT 5
Route the positive (+) DC source power cables for
13.
over the largest cable restraint on the left. The left cable restraint is marked as follows
from top to bottom: RTN 0
, ,
INPUT 0 INPUT 1 INPUT 3
, , and .
RTN 5 INPUT 5
.
INPUT 5
, RTN 2 , and RTN 5 in place.
, RTN 1 , RTN 3 , and RTN 4
, and in place.
INPUT 4
INPUT 2 and INPUT 5 through the
and over the middle
RTN 2 RTN 5
RTN 2 and RTN 5 to the RTN
, , , and
RTN 0 RTN 1 RTN 3 RTN 4
.
Copyright © 2013, Juniper Networks, Inc.