Hardware Configuration Features: Dell Precision WorkStation 420 Systems User's Guide
Table 3. Pin Assignments and Interface Signals for the Serial Port Connectors Pin 1 2 3 4 5 6 7 8 9 Shell Signal DCD SIN SOUT DTR GND DSR RTS CTS RI N/A I/O I I O O N/A I O I I N/A Definition Data carrier detect Serial input Serial output Data terminal ready Signal ground Data set ready Request to send Clear to send Ring indicator Chassis ground
Parallel Port Connector If you reconfigure your hardware, you may need pin number and signal information for the parallel port connector. Figure 5 illustrates the pin numbers for the parallel port connector, and Table 4 lists and defines the pin assignments and interface signals for the parallel port connector. Figure 5. Pin Numbers for the Parallel Port Connector
Table 4. Pin Assignments and Interface Signals for the Parallel Port Connector Pin Signal I/O Definition
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