Dc Power Source Cabling For Mx5, Mx10, Mx40, And Mx80 Routers - Juniper MX10 Hardware Manual

MX5, MX10, MX40, and MX80 3D Universal Edge Router Hardware Guide
DC Power Circuit Breaker Requirements for the MX5, MX10, MX40, and MX80 Routers
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Documentation

DC Power Source Cabling for MX5, MX10, MX40, and MX80 Routers

62
Replacing an MX5, MX10, MX40, and MX80 DC Power Supply on page 143
MX5, MX10, MX40, and MX80 DC Power Electrical Safety Guidelines
MX5, MX10, MX40, and MX80 Routers DC Power Specifications on page 59
DC Power Circuit Breaker Requirements for the MX5, MX10, MX40, and MX80 Routers
on page 62
DC Power Source Cabling for MX5, MX10, MX40, and MX80 Routers on page 62
DC Power Cable Specifications for MX5, MX10, MX40, and MX80 Routers on page 63
Each DC power supply has a single DC input (–48 VDC and return) that requires a
dedicated circuit breaker. We recommend that you use a dedicated customer site circuit
breaker rated for 13 A (–48 VDC) minimum, or as required by local code. Doing so enables
you to operate the router in any configuration without upgrading the power infrastructure.
If you plan to operate a DC-powered router at less than the maximum configuration and
do not provision a 13 A (–48 VDC) circuit breaker, we recommend that you provision a
dedicated customer site circuit breaker for each DC power supply rated for at least 125
percent of the continuous current that the system draws at –48 VDC.
MX5, MX10, MX40, and MX80 Power System Description on page 35
Maintaining the MX5, MX10, MX40, and MX80 Power Supplies on page 161
Replacing an MX5, MX10, MX40, and MX80 DC Power Supply on page 143
MX5, MX10, MX40, and MX80 DC Power Electrical Safety Guidelines
MX5, MX10, MX40, and MX80 Routers DC Power Specifications on page 59
Power Consumption for a DC-Powered MX5, MX10, MX40, and MX80 Router on page 60
DC Power Source Cabling for MX5, MX10, MX40, and MX80 Routers on page 62
DC Power Cable Specifications for MX5, MX10, MX40, and MX80 Routers on page 63
The DC power supply in PS0
feed , and the DC power supply in
A
derived from feed . This configuration provides the commonly deployed
B
redundancy for the system.
CAUTION: You must ensure that power connections maintain the proper
polarity. The power source cables might be labeled
their polarity. There is no standard color coding for DC power cables. The
color coding used by the external DC power source at your site determines
must be powered by a dedicated power feed derived from
must be powered by a dedicated power feed
PS1
feed
A/B
and to indicate
(+) (–)
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