ER series telecom rectifier systems provide large power features in cost effective, rack-mounted form. The system provide rectification, system management and power distribution while maintaining high reliability and offering flexibility for future expansion. The systems are based on hot-swappable rectifier modules with constant output power available at 1400W (24V), 1600W (48V), 2400W (48V) per module. System management is accomplished through messages and alarms displayed on the system controller's LCD screen and can also be displayed remotely via the PC-based software package.