Boundless 4000/160, User Manual

Page: 30 / 107

Communications 11
For parallel printers, this terminal monitors the BUSY and ERROR
signals which are sent by the printer to determine when data
transmission should be stopped or resumed.
Host/Printer Port 1
This port, labeled “SES1-EIA,” is designed for connection to the
host (computer or modem) or a serial printer via a 25-pin D-shell
(DB25P) female connector. This port uses an RS-232-C
communication interface, is configured as a DTE (Data Terminal
Equipment) device, and can operate from 110 to 134,400 baud.
The pins supported are shown below:
Host/Printer Port 1 Pin Assignments
Host/Printer Port 2
This port, labeled “SES2-AUX,” is designed to connect to a host
connection (computer or modem) or a serial printer, and can
operate from 110 to 38,400 baud. This port uses an RS-232-C
interface via a DB25P female connector, and is configured as a
DCE (Data Communication Equipment) device. The pin
assignments for this port are shown below: