20000609 V2.5 Added connectors ISDN, TAE. Revised Null modem descriptions and added Null modem 9 pin. Thanks to Jⁿrgen Frey for the connector info. Added information for exponential names, and their values.
20001109 V2.6 Revised Rs232 descriptions and corrected misc. info. Added Rj45 diagram, PC Power diagram, PC Joyport diagram.