Power Specifications for EX4200 Switches

This topic describes power specifications for power supplies for EX4200 switches.

Table 1 provides the AC power supply electrical specifications for EX4200 switches.

Table 2 provides the DC power supply electrical specifications for EX4200 switches.

Note:

This topic uses the term PoE to refer to both PoE and PoE+ unless there is a need to distinguish between the two.

Table 1: AC Power Supply Electrical Specifications
Item	Specification
AC input voltage	100 through 240 VAC
AC input line frequency	50 through 60 Hz
AC system current rating	4 A (for switches with 8 ports equipped for Power over Ethernet (PoE) or the switch with 24 100Base-FX/1000Base-SX SFP ports) 7 A (for switches with 24 ports equipped for PoE) 12 A (for switches with 48 ports equipped for PoE)

Table 2: DC Power Supply Electrical Specifications
Item	Specification
DC input voltage	36 through 72 VDC
DC input current	7 A maximum
Power supply output	190 W
Output holdup time	1 ms minimum

Note:

The DC power supply in EX4200 switches does not support Power over Ethernet (PoE); you can use either an external power injector or an AC power supply to supply power to PoE devices that you connect to the switch.

Note:

For DC power supplies, we recommend that you provide at least 7.5 A at 48 VDC and use a facility circuit breaker rated for 10 A minimum. Doing so enables you to operate the switch in any configuration without upgrading the power infrastructure, and ensures that the switch functions at full capacity using multiple power supplies.