Connector - SUN LX/Classic/SS4/5/10/20 Serial Port

This port is located in modern SUN Sparcs such as SUN LX/Classic/SS4/5/10/20and has both serial ports (A/B) in the same connector. Simply plugging in aregular serial cable in results in accessing port A.

25 PIN D-SUB FEMALE at the computer.

25 PIN D-SUB FEMALE (at the computer)
PinNameDirectionDescription
2TXDOutputTransmit Data (Port A)
3RXDInputReceive Data (Port A)
4RTSOutputRequest to Send (Port A)
5CTSInputClear to Send (Port A)
6DSRInputData Set Ready (Port A)
7GND---System Ground (Port -)
8CDInputCarrier Detect (Port A)
11DTROutputData Terminal Ready (Port B)
12CDInputCarrier Detect (Port B)
13CTSInputClear to Send (Port B)
14TXDOutputTransmit Data (Port B)
15TCInputTransmit Clock from DCE, usually not used (Port A)
16RXDInputReceive Data (Port B)
17RCInputReceive Clock from DCE, usually not used (Port A)
18TCInputTransmit Clock from DCE, usually not used (Port B)
19RTSOutputRequest to Send (Port B)
20DTROutputData Terminal Ready (Port A)
21TCOOutputTransmit Clock from DTE, usually not used. (Port A)
25TCOOutputTransmit Clock from DTE, usually not used. (Port B)

Note: Direction is DTE (Computer) relative DCE (Modem).
Note: Do not connect SHIELD(1) to GND(7).

Source: HW-Book 2001-06-08
Last modified: 2007-06-27 14:22:58.0
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