Juniper SRX5800 Hardware Manual page 293

b. On INP0 attach the negative (–) DC source power cable lug to the –48V (input) terminal. Repeat
this step for INP1 if using two feeds.
c. Apply between 23 lb-in. (2.6 Nm) and 25 lb-in. (2.8 Nm) of torque to each nut (see
Figure 128 on page
Figure 128: Connecting DC Power to a High-Capacity DC Power Supply
Terminal
studs
Cable
lug
Split
washer
Nut
CAUTION:
the terminal block as you are tightening the nuts. Ensure that each nut is properly
threaded onto the terminal stud. The nut should be able to spin freely with your
fingers when it is first placed onto the terminal stud. Applying installation torque
to the nut when improperly threaded may result in damage to the terminal stud.
CAUTION:
supply is 36 in-lb. (4.0 Nm). The terminal studs may be damaged if excessive
torque is applied. Use only a torque-controlled driver or socket wrench to tighten
nuts on the DC power supply terminal studs.
294).
Ensure that each power cable lug seats flush against the surface of
The maximum torque rating of the terminal studs on the DC power
294