ekijak@PICA.ARMY.MIL ("Edmund S. Kijak", IMD-SIAS) (12/22/89)
>Could someone post or e-mail me a description of which pins of each connector >are connected together? i.e. rs232-----SIO >something like RS232 pin 2 to SIO pin? RS232 pin 3 to SIO pin? RS232 pin 7 to SIO pin? (this one is ground, should be easy to guess!) >thanks in advance (assuming that this makes any sense!) >I'm asumming that it's just a matter of using nothing else than wire in the >above! >------------------------------ If my memory serves me correctly, the SIO pins are gnd gnd +5vdc | | / o o o o o o o o o o o / \ Serial Data In Data Out The serial data pins put out and receive TTL levels, i.e., zero to 5 volts. RS-232 requires -5 to +5 volts and so there may be more than just a wire connection required. I have used a Maxim MAX232 chip to convert from TTL to RS-232. I don't recall which pins on the RS-232 connector are data in and data out, but that info should be easy to get.