Appendix A. Acknowledgements

Direct-Link is a registered trademark of S-S Technologies Inc.

SA85, PC85, Modbus Plus and Modbus are trademarks of AEG Modicon.

QNX is a registered trademark of QNX Software Systems Inc.

C86 is a registered trademark of Computer Innovations Inc.

WATCOM C is a registered trademark of WATCOM Systems Inc.

PLC is a registered trademark of Allen-Bradley.

IBM, Micro Channel and OS/2 are registered trademarks of International Business Machines.

All other trade names referenced are trademarks or registered trademarks of their respective companies.