EX3400 600W AC Power Supply, front-to-back airflow (power cord needs to be ordered separately)
Part Number: JPSU-600-AC-AFO
The AC power supplies in EX3400 switches are hot-insertable and hot-removable field-replaceable units (FRUs): You can install them without powering off the switch or disrupting the switching function.
The power Supply is installed in the rear Panel of the Switch.