An onboard CPU, combined with memory, effectively reduces the burden of the server CPU, bringing overall performance up to 64Kbps on port.

The Alex library provides complete HDLC/LAP-B”]X.25 layer 2”^ data communications control conforming to CCITT, ITU, including frame formatting, bit stuffing, and error detection. The library also provides complete X.25 protocol ”]layer 3”^communications control conforming to CCITT, ITU, including package formatting, control, configuration and on-line trace ; and provides the demo source code for programmer to implement his/her applications to the business needs. The programmers easily implement their application codes by using C/C++, Delphi and BCB”]Borland C++ Builder”^ to invoke the synchronous Application Program Interface (API).