Juniper EX4400 - Page 115

Do not mix:
• AC and DC power supplies in the same chassis.
• Power supplies with dierent airow direcons in the same chassis.
• Fan modules with dierent airow direcons in the same chassis.
• Power supplies and fan modules with dierent airow direcons in the same chassis.
This topic describes the DC power supplies that EX4400 switches support.
Characteriscs of the DC Power Supply
DC-powered EX4400-24T, EX4400-24X, EX4400-48T, and EX4400-48F switches support 550-W DC
power supplies (see Figure 78 on page 107).
Figure 78: 550 W DC Power Supply for EX4400 Switches
1—
Power supply handle
3—
Power supply ejector lever
2—
Power supply inlet
Table 60 on page 107 lists the details of the 550-W DC power supplies used in EX4400 switches.
Table 60: Details of the DC Power Supplies in EX4400 Switches
Details 550-W DC Power Supplies
Model number
• JPSU-550-C-DC-AFO
• JPSU-550-C-DC-AFI
107