Figure 26: Connecting Dc Power And Grounding Cables - Juniper M10i Hardware Manual

M10i Internet Router Hardware Guide
10.
NOTE: The DC power supplies in slots
power feeds derived from feed A, and the DC power supplies in slots
3
provides the commonly deployed
information about connecting to DC power sources, see
177 and
11.

Figure 26: Connecting DC Power and Grounding Cables

64
Providing Power to the Router
Insert the power cable lugs into the appropriate field-wiring terminals. Using a
number 1 Phillips screwdriver, turn the screw on each field-wiring terminal
clockwise to secure the power cable lug. Apply between 8 lb-in. (.9 Nm) and 9
lb-in. (1.02 Nm) of torque to each screw.
Insert the positive (+) source cable into the return terminal, which is labeled
a.
.
RTN
Insert the negative (–) source cable into the input terminal, which is labeled
b.
.
48V
must be powered by dedicated power feeds derived from feed B. This configuration
"DC Power, Connection, and Cable Specifications"
Verify that the DC source power cabling and the grounding cabling are correct,
that they are not touching or blocking access to router components, and that
they do not drape where people could trip on them.
and must be powered by dedicated
P/S 0 P/S 1
A/B feed redundancy for the system. For
"Chassis Grounding"
on page 179.
P/S 2 and P/S
on page