Connecting Power To The Ptx5000 120-A Dc Input Power Trays - Juniper PTX5000 Hardware Manual

13. Route the positive (+) DC source power cable through the cable restraint, and connect it to the RTN
–2 input terminal (see
to secure the cable lug to the input terminal.
14. Route the negative (–) DC source power cable through the cable restraint, and connect it to the -48
V –1 input terminal (see
nut to secure the cable lug to the input terminal.
15. Route the negative (–) DC source power cable through the cable restraint, and connect it to the -48
V –2 input terminal (see
nut to secure the cable lug to the input terminal (see
16. Tighten the cable restraints over the DC power cables.
17. Verify that the source power cables are connected to the appropriate terminal: the positive (+)
source cable to the return terminals (labeled RTN) and the negative (–) source cable to the input
terminals (labeled –48V).
18. Close the input power tray cover, and secure it with the screw.
19. Insert the input power tray into the PDU (see
20. Repeat the procedure for all input power trays in the PDU.
21. Repeat the procedure for the other PDU.
22. Verify that the DC power cables do not touch or block access to the components, and that they do
not drape where people could trip on them.
Figure 129: Installing a 60-A DC Input Power Tray

Connecting Power to the PTX5000 120-A DC Input Power Trays

To connect the DC source power cables to the 120-A DC inputs:
Figure 127 on page 264). Using a 7/16-in. (11-mm) nut driver, tighten the nut
Figure 127 on page 264). Using a 7/16-in. (11-mm) nut driver, tighten the
Figure 127 on page 264). Using a 7/16-in. (11-mm) nut driver, tighten the
Figure 129 on page
Figure 128 on page 265).
266).
266