Auxiliary Rs232 Interface - Datalogic DS2400 Installation Manual

2
2.4.3

Auxiliary RS232 Interface

The auxiliary serial interface is used exclusively for RS232 point to point connections.
The parameters relative to the aux interface (baud rate, data bits, etc.) as well as
particular operating modes such as LOCAL ECHO can be defined using the WinHost
utility program installed from the diskette or "Host Mode" programming provided on
diskette.
The following pins of the 25-pin connector are used to connect the RS232 auxiliary
interface:
Pin
20
21
23
24
7
Figure 19 - RS232 auxiliary interface connections using hardware handshaking
18
DS2400
5
C.L. IN-
3
C.L. IN+
4
C.L. OUT-
2
C.L. OUT+
MAX. 300 METERS
Figure 18 - 20 mA C.L. connections
Name
RXAUX
TXAUX
CTSAUX
RTSAUX
SGND
DS2400
20
RXAUX
21
TXAUX
23 CTSAUX
24
RTSAUX
7
SGND
USER INTERFACE
I = 20 mA
I = 20 mA
Function
receive data
transmit data
clear to send
request to send
signal ground
USER INTERFACE
TXD
RXD
DTR
DCD
SGND
DS2400