Figure 25: M120 DC Power and Grounding Cable Lug
g002380
Crimp area
10AWG conductor
All measurements in inches
0.28
diameter
each hole
2.25
0.25 0.370.625
0.55
End view
0.08
If the 48 VDC facility is equipped with a circuit breaker rated at 60 A (-48 VDC), then the
grounding cable must be minimum 10 AWG, or as permitted by the local code. If the 48
VDC facility is equipped with a circuit breaker rated more than 60 A (-48 VDC) up to 100
A (-48 VDC), then the grounding cable must be minimum 8 AWG, or as permitted by the
local code.
NOTE: Additional grounding is provided to an AC-powered router when you
plug its power supplies into grounded AC power receptacles.
Related
Documentation
M120 Router Chassis Description on page 7•
• Connecting the Grounding Cable to the M120 Router on page 151
M120 Router Power Requirements
Table 50 on page 88 lists the AC and DC power system electrical specifications.
Table 51 on page 89 lists the AC power supply electrical specifications. Table 52 on page 89
lists the DC power supply electrical specifications. Table 53 on page 89 lists the power
requirements for various hardware components when the router is operating under typical
voltage conditions. For PIC power requirements, see the M120 Multiservice Edge Router
Interface Module Reference.
Table 50: Power System Electrical Specifications
SpecificationItem
Operating range: 100 to 240 VACAC input voltage
47 to 63 HzAC input line frequency
28 A @ 100 VAC (15 A top inlet, 13 A bottom inlet)
14 A @ 240 VAC
AC system current rating
(per power supply)
—
Copyright © 2018, Juniper Networks, Inc.88
M120 Multiservice Edge Router Hardware Guide
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