Juniper T4000 -, Hardware Manual

Page: 148 / 396

9.
Replace the smallest cable restraint on the far right, and tighten the captive screw to
hold the power cables for
INPUT 0
,
INPUT 1
,
INPUT 3
, and
INPUT 4
in place.
10.
Route the negative (–) DC source power cables for
INPUT 2
and
INPUT 5
through the
middle cable restraint. The middle cable restraint is marked as follows from top to
bottom:
INPUT 2 , RTN 2 , RTN 5 , and INPUT 5 .
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
g006354
11.
Route the positive (+) DC source power cables for
RTN 2
and
RTN 5
over the middle
cable restraint. The middle cable restraint is marked as follows from top to bottom:
INPUT 2 , RTN 2 , RTN 5 , and INPUT 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
RTN 2
and
RTN 5
to the RTN
(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.
12.
Replace the middle cable restraint, and tighten the captive screw to hold the power
cables for
INPUT 2
,
INPUT 5
,
RTN 2
, and
RTN 5
in place.
13.
Route the positive (+) DC source power cables for RTN 0 , RTN 1 , RTN 3 , and RTN 4
over the largest cable restraint on the left. The left cable restraint is marked as follows
from top to bottom:
RTN 0 , RTN 1 , RTN 3 , and RTN 4 .
Copyright © 2013, Juniper Networks, Inc. 124
T4000 Router Hardware Guide