
Removing and Replacing a PSU
184
7750 SR-a4 and SR-a8 Installation Guide
ii. Tighten the screw with a Phillips torque screwdriver. Do not over-tighten. The
recommended torque is 3 lbf-in (0.339 N
.
m).
iii. Replace the safety cover that you removed from the terminal block in
.
Step 10.
Check that the DC supply wiring is correct.
Step 11.
Restore the external power that was disconnected or turned off at the branch circuit
device. See
Summary of Contents for 7750 SR-a4
Page 8: ...Table of Contents 8 7750 SR a4 and SR a8 Installation Guide...
Page 12: ...List of Tables 12 7750 SR a4 and SR a8 Installation Guide...
Page 16: ...List of Figures 16 7750 SR a4 and SR a8 Installation Guide...
Page 22: ...Technical Support 22 7750 SR a4 and SR a8 Installation Guide...
Page 70: ...Safety Standards Compliance Agency Certifications 70 7750 SR a4 and SR a8 Installation Guide...
Page 136: ...Troubleshooting Initial Startup 136 7750 SR a4 and SR a8 Installation Guide...
Page 170: ...44 port 1GigE CSFP SFP MDA a Overview 170 7750 SR a4 and SR a8 Installation Guide...
Page 210: ...Removing and Replacing an Impedance Panel 210 7750 SR a4 and SR a8 Installation Guide...
Page 232: ...2015 Alcatel Lucent All rights reserved 3HE 10231 AAAA TQZZA Edition 01...