Dan:

        I'm aware of the hardware and software issues.  I thought there was a
popular software protocol, as well as hardware RS-232 standard that many
devices with this type of port adhered to.  I know that not all seriel
devices use this protocol.

        Concerning tom Fowle's question about these ports in outdoor settings,
couldn't this be addressed by instalation of an automatic sliding protective
cover, which is used to protect ATM earphone jacks when not in use?

Mike


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