AC Power Supply in a QFX3100 Director Device

The AC power supply in a QFX3100 Director Device is a hot-insertable and hot-removable field-replaceable unit (FRU).

You can install up to two AC power supplies in a QFX3100 Director device. Power supplies are installed in the power supply slots on the back of the chassis. All QFX3100 Director devices are shipped with two AC power supplies.

Each AC power supply weighs approximately 2.5 lb (1.1 kg). See Figure 1.

Figure 1: AC Power Supplies

Each power supply has its own fan and is cooled by its own internal cooling system. Hot air exhausts from the rear of the chassis.

A QFX3100 Director device supports two 560-W AC power supplies.