Figure 72: Connecting Dc Power Cables; Figure 73: Connecting Negative (-) Dc Power Cables To Input 0, Input - Juniper T4000 Hardware Manual

T4000 Core Router Hardware Guide
192

Figure 72: Connecting DC Power Cables

Cable lug
Locking
washer
Nut
Figure 73: 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.
restraint. The middle cable restraint is marked as follows from top to bottom:
, , , and
2 RTN 2 RTN 5 INPUT 5
NOTE: You must route the cable in the location 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
terminal on the right. Secure the cable lug to the terminal studs, 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 each nut.
Terminal studs
INPUT 0 , INPUT 1 , INPUT 3
INPUT 2
.
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, and INPUT 4 in place.
, through the middle cable
INPUT
–48 V (input)
INPUT 2