User Manual

Technical Manual for Master Terminals of the Series IF 152x
Page 17
Connection Service PC (Optional)
The terminal strip of the Ethernet board integrated serves the connection of a dialog station or a PC
with COM interface. Details on the connection are shown in the following graph.
Technical data of the RS 232 test/ service interface
Baud rate: 9,600 baud
Data format: 8 bit, no parity, 1 stop bit
Operation: Full duplex (no handshake)
1
3
J 6
J 12J 21
J 20
LED
LINK
LED
RX
RxD
TxD
GND
2a
TxD RxD GND
3a
RS 232 CABLE
2
3 2 5
1
2
3
1a
1 IF 152x front part 2a Terminal strip for RS 232 cable
1a IF 152x back panel with board 3 PC with COM or monitor with RS 232
2 Ethernet board with RS 232 interface 3a Cable connection on PC COM (SUB D 9)
Assignment of Terminal Strip (2a)
Terminal strip: Signal:
1 RxD
2 TxD
3 GND
Procedure:
# Connect the data cable to the terminal strip.
# Set the interface of the service PC to 9,600 baud, 8 bit, no parity, no handshake.
# Switch on the master terminal and the service PC.
# Press the return key of the service PC and wait for the $ symbol which indicates input readiness.
# Press the reset button on the MPU board if the input readiness ($ symbol) or a login is not
indicated.