Lexmark Optra S 1620 User's Guide (7.1 MB) - Page 124

Using the Operator Panel and Menus Using Your Printer Serial Menu Selections (Continued) Menu Item Values and Functions of the Menu Items Serial Protocol DTR* (hardware handshaking) DTR/DSR (hardware handshaking) XON/XOFF (software handshaking) XON/XOFF/DTR (combined handshaking) XONXOFF/DTRDSR (combined handshaking) Robust XON If you use a serial interface, you can select one of the preceding protocols and set it for each of the attached serial ports. The printer supports hardware handshaking, software handshaking, and combined hardware and software handshaking as indicated in the preceding list. Refer to the Technical Reference for more information on the serial interface. Off* On Baud This printer setting only applies to the serial port if the handshaking protocol uses XON/XOFF pacing. When Robust XON is set On, the printer sends a continuous stream of XONs to the host computer to indicate that the serial port is ready to receive more data. An XON is sent every second as long as no data is received across the serial port in the last second, the last XON is accepted by the host computer, and the printer is Ready to receive data from the serial port. 1200 2400 4800 9600* 19200 38400 57600 115200 138200 (Standard Serial Menu only) 172800 (Standard Serial Menu only) 230400 (Standard Serial Menu only) 345600 (Standard Serial Menu only) If you use a serial interface, you can select the rate at which data is being sent to or from your computer. Refer to the Technical Reference for information about the range of baud values. * Factory Default 108 Using the Operator Panel and Menus