Planning For Power Management - Juniper J-series Services Router J2350 Hardware Manual

JUNOS Software with Enhanced Services Hardware Guide
NOTE: Power cords and cables must not block access to router components or drape
where people might trip on them.
For information about the DC power supply, see "J2350 Power System" on page 18,
"J4350 Power System" on page 30 or "J6350 Power System" on page 31.
To connect the DC power cable during initial installation, see "Connecting DC
Power" on page 86.
To replace a DC power cable, see "Replacing DC Power Supply Cables" on page 142.

Planning for Power Management

Before you install a chassis or add a new PIM to an existing chassis, verify that the
combination of PIMs and modules (PIMs or PIMs plus a WXC Integrated Services
Module) to be installed does not exceed the power and heat capacities for that model.
Add the low-power tokens, high-power tokens, and heat tokens required by each
PIM, and compare them to the capacity of the chassis.
NOTE: The low power and high power correspond to a specific voltage for that PIM.
CAUTION: Do not install a combination of modules in a single chassis that exceeds
the maximum power and heat capacity of the chassis. If J-series power management
is enabled, PIMs and modules (PIMs or PIMs plus a WXC Integrated Services Module)
that exceed the maximum power and heat capacity remain offline when the chassis
is powered on.
To verify that the combination of PIMs to be installed in a chassis does not exceed
the power and heat capacities for that model:
1.
2.
3.
Table 38 on page 73 shows the low-power consumption, high-power consumption,
and heat dissipation, represented in non-dimensional tokens, assigned to each J-series
PIM.
72
Power Guidelines, Requirements, and Specifications
Check Table 38 on page 73 to determine the token values for low-power,
high-power, and heat for each PIM that you plan to install in the chassis.
For all PIMs to be installed in the chassis:
Add the low-power tokens for all PIMs to be installed in the chassis.
a.
Add the high-power tokens for all PIMs to be installed in the chassis.
b.
Add the heat dissipation tokens for all PIMs to be installed in the chassis.
c.
Verify that the total number of low-power tokens, total number of high-power
tokens, and the total number of heat dissipation tokens do not exceed the
maximums permitted for your J-series chassis as specified in Table 39 on page 74.