The AccelePort Xem system features a host adapter card with an on-board RISC-based processor that delivers up to 115.2 Kbps performance. The system also includes a compact Digi PORTS module that provides access to eight or 16 serial ports. AccelePort PORTS/ 8em and PORTS/ 16em modules work with any Digi adapter or concentrator that employs Digi's EBI (External Bus Interface) bus.