Dc Power Specifications; T320 Dc Power Cable Specifications; Table 52: Power Cable Specifications - Juniper Core Router T Series Hardware Manual

CHAPTER 10

DC Power Specifications

T320 DC Power Cable Specifications

Copyright © 2018, Juniper Networks, Inc.
T320 DC Power Cable Specifications on page 95
T320 Power System Electrical Specifications on page 96
T320 Power Requirements on page 96
T320 DC Power Distribution on page 98
The accessory box shipped with the router includes the cable lugs that attach to the
terminal studs of each power supply (see
in Figure 34 on page 94 is also used for the grounding the chassis.)
CAUTION: Before router installation begins, a licensed electrician must attach
a cable lug to the grounding and power cables that you supply. A cable with
an incorrectly attached lug can damage the router.
Table 52 on page 95 summarizes the specifications for the power cables, which you must
supply.

Table 52: Power Cable Specifications

Cable Type Quantity and Specification
Power Eight 4-AWG (21.2 mm
copper conductor, or as permitted by
the local code.
You must ensure that power connections maintain the proper polarity. The power source
cables might be labeled
(+)
coding for DC power cables. The color coding used by the external DC power source at
your site determines the color coding for the leads on the power cables that attach to
the terminal studs on each power supply.
WARNING: For field-wiring connections, use copper conductors only.
Figure 34 on page
2
) (minimum)
and to indicate their polarity. There is no standard color
(–)
94). (The cable lug shown
Connector Specification
Cable lug; dual hole, sized to fit
1/4-20 UNC terminal studs at
15.86-mm (0.625-in.) center line.
95