AL1905A3B-E6 is a 1400W switching power supply designed for Avaya/Extreme ERS5900 series Ethernet Routing Switches. It accepts 100–240V AC input and is configured for B2F airflow in ERS5900 chassis deployments. The part is identified by replacement order code AL1905A3B-E6 and is used to power ERS5900 switches under load, delivering up to the full 1400W rated capability to sustain performance in enterprise networks.
