Datamax-O'Neil E-Class Mark III Operator’s Manual - Manual (Page 52)

46 Chapter 4 – Menu System
Communications
The Communications menu contains interface and host control functions:
 Serial Port A*
 Parallel Port A*
 USB Port*
 Network/Bluetooth*
 Host Settings*

Items denoted with an asterisk (*) are only accessible through the Advanced Menu.
The menu selections are defined as follows:
DISPLAYED ITEM ITEM DESCRIPTION
SERIAL PORT A Controls the RS-232 communications settings for Serial Port A, where:
BAUD RATE Sets the serial communication rate, where:
(1200 – 115KBPS)
9600 BPS
Is the range, in Bits Per Second; and,
is the Default Setting.
PROTOCOL Sets the data flow control (handshaking) method, where:
BOTH XON/XOFF and CTS/DTR are used. (Default Setting)
SOFTWARE XON/XOFF is used.
HARDWARE CTS/DTR is used.
NONE Flow control is not used.
PARITY Sets word parity, where:
NONE Parity is not used. (Default Setting)
ODD Odd parity is used.
EVEN Even parity is used.
DATA BITS Sets word length, where:
(7 - 8)
8
A seven or eight bit word is selectable; and,
is the Default Setting.
STOP BITS Sets the number of stop bits, where:
(1 - 2)
1
One stop or two stop bits are selectable; and,
is the Default Setting.
PARALLEL PORT A Controls the communication setting for the parallel port, where:
PORT DIRECTION Determines if data is returned from the printer, where:
UNI-DIRECTIONAL No data is returned; communication is one-way.
BI-DIRECTIONAL
Data is returned in compliance with IEEE 1284 back-channel operation. (Default Setting)

An IEEE 1284 bidirectional cable is required.
USB PORT Controls the communication setting for the USB port
USB DEVICE CLASS Defines the USB port type
PRINTER Sets the printer for use as a typical Windows printer
CDC Sets the printer for use with handled PC’s and similar devices
COMPOSITE Combines both Printer and CDC classes. (Default Setting)