Figure 82: Connecting Dc Power Cables - Juniper T4000 Hardware Manual

T4000 Router Hardware Guide
136
Using a 7/16-in. (11 mm) nut driver, tighten the nut. Apply between 23 lb-in. (2.6 Nm)
and 25 lb-in. (2.8 Nm) of torque to each nut.

Figure 82: Connecting DC Power Cables

Locking
washer
Nut
Route the negative (–) DC source power cable for
11.
restraint on the far right.
NOTE: The smallest cable restraint is marked as follows from top to
bottom:
INPUT 0
in the locations as marked to be able to install the new clear plastic cover
over the terminal studs.
Attach the negative (–) DC source power cable lug to the –48 V (input)
terminal on the right. Secure the cable lug to the terminal stud, first with the washer,
then with the nut.
Place one terminal jumper over the negative (–) DC
12.
terminals on the right.
Place a washer, and then a nut on the negative (–) DC
13.
Using a 7/16-in. (11 mm) nut driver, tighten the nut. Apply between 23 lb-in. (2.6 Nm)
and 25 lb-in. (2.8 Nm) of torque to the nut.
Jumper
Terminal
Cable lug
Grounding points
(on chassis)
, , , and
INPUT 1 INPUT 3
studs
over the smallest cable
INPUT 1
. You must route the cables
INPUT 4
INPUT 1
and input
INPUT 2 INPUT 3
INPUT 2 terminal.
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