Intermec EasyCoder 501 E – Installation & Operation Ed. 1
144
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