INTRODUCTION
© Polycom, Inc. 5 VORTEX EF2280 Reference Manual
Remote Control • RS-232 port for remote control
• Reconfigurable parallel logic input/output
• EF bus for linking multiple Vortex devices
• Digital bus with 4 audio busses, 48 kHz sampling rate
• Up to 8 Vortex EF2280 devices can be linked, each device providing 4
audio signals on the bus.