Different Suns use different splitter cables for this purpose. Many Suns need a Y-cable to split the A/B Serial Port into the 2 different devices. Most implementations do not have to worry about the voltage on the serial port. See the hardware documentation for your machine to locate the jumper to configure this, if it exists. Many Sun cpu serial ports can be configured as either RS-232 (+/- 12V) or RS-423 (+/- 5V). It has moved to SunHELP as of May 2005, send all updates to Bill Bradford.
This content was originally created, collected, and maintained by Stokely Consulting. UNIX Serial Port Resources – Serial Port & Cable Pinouts
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