®
OBID
8.2.2. RS232 interface
The length of the cable to the RS232 interface should be kept as short as possible, and must in
any case not exceed 3 m.
Pin no.
*
**
Table 3.2.2-1: Pin assignments for the RS232 interface on X1
The transmission parameters for the interface can be software-configured. Table 3.2.2-2 shows the
standard parameters for the RS232 interface.
FEIG ELECTRONIC GmbH
X1
Function
3
TxD *
4, 9
GND **
5
RxD *
Signal names as seen by the Reader Module.
GND-Pins 4 and 9 are to be connected directly to each
other on the Reader Module
Parameter
Baud rate
No. of data bits
Parity
No. of stop bits
Table 3.2.2-2: Standard parameters of the RS232 interface.
Installation
Description
ID ISC.M02-B
RS232-TTL - Transmit Data
GND
RS232-TTL - Receive Data
Standard setting
38400
8
Even
1
Page 31 of 42
ID ISC.M02
M20301-0de-ID-B.doc