Intermec EasyCoder 501 E – Installation & Operation Ed. 1144
Appendix 4 Interfaces
The EasyCoder 501 E can optionally be fi tted with a serial interface
board, which provides the printer with two more serial ports:
"uart2:" and "uart3:". "uart3:" can be confi gured for two types
of serial communication according to the customer’s request.
Use the Intermec Fingerprint instruction SETSTDIO to select
standard IN and OUT ports (by default "uart1:" is both standard
IN and OUT port)
1
.
"uart2:" "uart3:"
RS-232 RS-232
20 mA Current Loop
"uart2:" Serial Port
The communication port "uart2:" uses a DB-25pin female
connector.
Pin Signal Name Description
1 GNDC Cable Shield
2 TXD RS-232 Transmitter
3 RXD RS-232 Receiver
4 RTS RS-232 Request To Send
5 CTS RS-232 Clear To Send
6 DSR RS-232 Data Set Ready
7 GNDI Signal Ground
8–19 Not connected
20 DTR RS-232 Data Terminal Ready
1
21–25 Not connected
1
/. DTR permanently high.
Serial Interface
Board (option)
1
/. Intermec Shell either auto-
matically sets the correct stan-
dard IN and OUT port when
an application is selected or
prompts you to select one, see
Chapter 9.
"uart2:"
230V
0