Ptx5000 Dc Power Distribution; Figure 75: 0-Awg Dc Power Cable Lug; Figure 76: 4-Awg Dc Power Cable Lug - Juniper PTX5000 Hardware Manual

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PTX5000 DC Power Distribution

Copyright © 2017, Juniper Networks, Inc.

Figure 75: 0-AWG DC Power Cable Lug

End view
0.38
0.76
2 holes
0.32 0.63
0.12

Figure 76: 4-AWG DC Power Cable Lug

Understanding Normal-Capacity Power System Power Zones on page 71
Connecting Power to the PTX5000 60-A DC Input Power Trays on page 202
Connecting Power to the PTX5000 120-A DC Input Power Trays on page 207
Connecting Power to the PTX5000 High Capacity DC PDUs on page 221
Replacing a PTX5000 120-A DC PDU on page 295
Replacing a PTX5000 High Capacity DC PDU on page 304
Most sites distribute DC power through a main conduit that leads to frame-mounted DC
power distribution panels, one of which might be located at the top of the rack that
houses the packet transport router. A pair of cables (one input and one return) connects
each set of terminal studs to the power distribution panel.
NOTE: All inputs on the DC PDU in slot 0 must be powered by dedicated
power feeds derived from feed B, and all inputs on the DC PDU in slot 1 must
be powered by dedicated power feeds derived from feed A. This configuration
provides the commonly deployed A/B feed redundancy for the system.
Figure 77 on page 144 shows a typical DC source cabling arrangement and two 120-A DC
PDUs. The source cabling distribution for 60-A DC PDUs would be similar.
Chapter 11: DC Power Specifications and Requirements
2.57
Crimp area
0.38
All measurements in inches
143