What are the methods for getting more RS-232 ports on PC ?
ANS 8. There are multi-serial cards. Some are intelligent cards. This means, they have a processor & buffer memory for each RS-232 channel. This will be useful if you are using drip feed mode on CNC. Some are simply multi-port cards. These are low cost & are useful for production type of job shops, where the DNC is used only when there is a set-up change. I-MUX is a name asigned by DIGITECH to an ” intelligent, eight port serial card having on board memory.
