Table 56: M120 DC Power and Grounding Cable Specifications
Maximum
Equal LengthQuantity and SpecificationCable Type
NoneFour 6-AWG (13.3 mm
2
), minimum 75°C wire, or as
permitted by the local code
Power
NoneOne 10-AWG (5.27 mm
2
), minimum 75°C wire, or as
permitted by the local code
Grounding
NoneOne 6-AWG (13.3 mm
2
), minimum 75°C wire, or as
permitted by the local code
Grounding—If the 48 VDC facility is equipped with a
circuit breaker rated 80 A (–48 VDC) up to 100 A
(–48 VDC), then the grounding cable must be
minimum 6 AWG, or as permitted by the local code
WARNING: For field-wiring connections, use copper conductors only.
For other electricalsafetyinformation,see “GeneralElectrical Safety Warnings
for Juniper Networks Devices” on page 339.
CAUTION: Power cords and cables must not block access to router
components or drape where people could trip on them.
The accessory box shipped with the router includes the cable lugs that attach to the
terminal studs of each power supply (see Figure 25 on page 88). (The cable lug shown
in Figure 25 on page 88 is also used for the grounding the chassis.)
CAUTION: Beforerouterinstallation begins, a licensed electricianmust attach
a cable lug to the grounding and power cables that you supply. A cable with
an incorrectly attached lug can damage the router.
CAUTION: Power cords and cables must not block access to router
components or drape where people could trip on them.
For information about the DC power supply, see “M120 DC Power Supply Description”
on page 72. For instructions on connecting the DC power and grounding cables during
initial installation, see “Connecting Power to a DC-Powered M120 Router” on page 169.
For instructions on replacing a DC power cable, see “Replacing an M120 DC Power Supply
Cable” on page 251.
Related
Documentation
Connecting Power to a DC-Powered M120 Router on page 169•
• Replacing an M120 DC Power Supply on page 245
99Copyright © 2018, Juniper Networks, Inc.
Chapter 11: DC Power Requirements and Specifications
To Next Page
Loading...
