Alcatel-Lucent 7750 SR-a4 Installation Manual page 106

Installing, Wiring, and Connecting a –48 VDC PSU
106
iv. Replace and tighten the terminal screw using a Phillips torque screwdriver. Do
not over-tighten. The recommended torque is 3 lbf-in (0.339 N
v. Replace the safety cover that you removed from the terminal block in Step 3.
vi. Prepare the wire at the disconnect device according to local safety practices.
vii. Attach the wire to the disconnect device.
Step 7. Check that the DC supply wiring is correct.
Step 8. For redundant supply configurations, repeat
Step 9. Install the other components in the chassis (as described in
91), before you power up the system (as described in
Configuring on page 123).
7750 SR-a4 and SR-a8 Installation Guide
Step 2 to Step 7 for the other PSUs.
Installing PSUs on page
Powering Up, Initializing, and
.
m).