Figure 95: Connecting Negative (-) Dc Power Cables To Input 2 And - Juniper T640 Hardware Manual

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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 95: 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
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
(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.
Replace the middle cable restraint, and tighten the captive screw to hold the power
12.
cables for ,
INPUT 2 INPUT 5
Route the positive (+) DC source power cables for
13.
over the largest cable restraint on the left. The left cable restraint is marked as follows
from top to bottom:
RTN 0
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 to the
RTN 4 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.
Replace the left cable restraint, and tighten the captive screw to hold the power cables
14.
for , ,
RTN 0 RTN 1 RTN 3
Chapter 13: Providing Power to the T640 Router
INPUT 5 .
, , and in place.
RTN 2 RTN 5
, , , and
RTN 1 RTN 3 RTN 4
, and in place.
RTN 4
and over the middle
RTN 2 RTN 5
and to the RTN
RTN 2 RTN 5
, , , and
RTN 0 RTN 1 RTN 3 RTN 4
.
, ,
RTN 0 RTN 1 RTN 3
, and
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