Tray; Figure 134: Disconnecting The Negative (-) Dc Source Power Cable Lugs To An - Juniper TX MATRIX PLUS Hardware Manual

Copyright © 2010, Juniper Networks, Inc.
Figure 134: Disconnecting the Negative (–) DC Source Power Cable Lugs
to an Input Power Tray
Remove the power lug separator over the terminal studs on the lower row of the input
4.
power tray.
Remove the nuts and washers from the power terminal studs on the lower row.
5.
Remove the negative (–) DC source power cable lugs to the
6.
on the lower row of the input power tray. Use a 7/16-in. (11 mm) nut driver to remove
first the nuts, then the washers(see Figure 77 on page 170).
Connecting the DC Power Cables to the Replacement Input Power Tray
To connect the DC power cables from the input power tray:
Remove the nuts and washers from the power terminal studs on the lower row.
1.
Attach the negative (–) DC source power cable lugs to the
2.
the lower row of the input power tray. Use a 7/16-in. (11 mm) nut driver to remove first
the nuts, then the washers(see Figure 77 on page 170).
Reinstall the power lug separator over the terminal studs on the lower row of the input
3.
power tray.
Remove the nuts and washers from the power terminal studs on the upper row.
4.
Remove the positive (+) DC source power cable lugs to the
5.
on the upper row. Use a 7/16-in. (11 mm) nut driver to remove first the nuts, then the
washers(see Figure 77 on page 170).
Chapter 22: Replacing TX Matrix Plus Hardware Components
Nut
Split washer
Cable lug
Terminal studs
Power lug separator
Input power tray
–48V
–48V
RTN
(input) terminals
(input) terminals on
(return) terminals
379