Figure 82: Negative (-) Dc Power Cables Connected To Input 1 And Input 3 - Juniper T4000 Hardware Manual

T4000 Core Router Hardware Guide
202
Route the negative (–) DC source power cable for
14.
restraint on the far right.
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.
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.
Figure 82: Negative (–) DC Power Cables Connected to INPUT 1 and INPUT 3
Replace the smallest cable restraint on the far right, and tighten the captive screw to
15.
hold the power cables for
Place one terminal jumper over the negative (–) DC
16.
terminals on the right.
Place a washer, and then a nut on the negative (–) DC
17.
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.
Route the negative (–) DC source power cable for
18.
restraint.
NOTE: The middle cable restraint is marked as follows from top to bottom:
,
INPUT 2 RTN 2
location as marked to be able to replace the 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 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.
INPUT 3
and in place.
INPUT 1 INPUT 3
INPUT 5
, , and . You must route the cable in the
RTN 5 INPUT 5
over the smallest cable
INPUT 3
and input
INPUT 4 INPUT 5
terminal.
INPUT 4
through the middle cable
INPUT 5
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