7/31/2023 0 Comments Computer db9 serial port pinoutThe SPARCstation 2 has 2 DB25, 25-pin serial ports: The pinout below is from the May 1993 Sun FE Handbook. The SLC serial port splitter cable is Sun part # 530-1667. The Sun part number is for the ELC serial port splitter cable is X985Q. ![]() Sun StorEdge T3 Disk Tray, T3B/T3+/Sun StorEdge 3900/6900 Some Suns use small, round Mini DIN8 connectors that require an adapter to connect to a DB25 device, like a modem or terminal. 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). Wiring Spec Mirrored from : which it not always up. Wiring Spec for RJ45 Serial Adapters and Null Modems
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