Juniper EX9253 Hardware Manual page 15

supplies connect to the midplane, which distributes the power to the switch components depending on
their voltage requirements.
Table 2 on page 6 shows the details of the power supplies supported on EX9253 switches.
Table 2: Power Supplies Supported on EX9253 Switches
Power Supply
800 W AC
1600 W AC
1100 W DC
A base configuration EX9253 switch ships with three power supplies. A redundant configuration
EX9253 switch ships with four power supplies. See
Switch Configurations" on page
CAUTION: Do not mix different types of power supplies (AC and DC) in the same
chassis.
ESD Point
The ESD point on the EX9253 switch is on the front panel (see
Figure 4: ESD Point Location
Input Voltage
90–140 VAC
180–260 VAC
–40 VDC through –72 VDC
"EX9253 Power System" on page 27
7.
Figure 4 on page 6).
and "EX9253
6