Figure 69: Connecting Negative (-) Dc Power Cables To Input 0, Input; Figure 70: Connecting Negative (-) Dc Power Cables To Input 2 And - Juniper T4000 Hardware Manual

T4000 Core Router Hardware Guide
188
Figure 69: Connecting Negative (–) DC Power Cables to INPUT 0, INPUT 1, INPUT 3, and
INPUT 4
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 70: 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:
INPUT 2 , RTN 2 , RTN 5 , and
INPUT 0 , INPUT 1 , INPUT 3
, , and .
RTN 5 INPUT 5
INPUT 5 .
, and INPUT 4 in place.
INPUT 2 and INPUT 5 through the
and over the middle
RTN 2 RTN 5
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