Serial Port Wiring Diagram. The distances these signals are carried is greater due to differential signals. 25 PIN to 9 PIN Serial Cable Parallel Printer Connector Db-25 DB-25 PIN Female SIGNAL DB-25 MALE CONN DB-25 FEMALE CONN.
DSC Serial Port Pinouts- 48 Figure 43. Read this Registration Installation Guide carefully before installing Relay Diagram. 9 PIN to 9 PIN Serial Cable.
DSC Serial Port Pinouts- 48 Figure 43.
RS232 V24 ALT A connector. In computing a serial port is a serial communication interface through which information transfers in or out sequentially one bit at a time. Typically it uses black green white and red wire colors. Use the IO ActiveX control for serial and parallel communication.