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IPC 40.2
Serial Interfaces XCOM1 to XCOM3
XCOM1 to XCOM3 –
Serial Interfaces
Settings of the Serial Interfaces
Control Panel
DOK-SUPPL*-IPC*40.2***-PR02-EN-P
Depending on the device variant up to three serial standard interfaces are
available at the connections XCOM1 to XCOM3.
D-Sub male connector, 9-pin
Type:
Cable length:
Cable type:
Transmission rate:
Handshake:
Interrupt (IRQ):
I/O address:
BIOS presettings:
1
6
Fig. 7-3:
Pin assignment XCOM1 to XCOM3
Note:
Depending on the variant and the used software packages the
interfaces can be already taken.
To find out settings of the transfer parameters for the serial interfaces
please refer to the description of the installed operating system (for
Windows 95/NT: select "Settings, Control Panel, ..."
The standard BIOS setting of the COM1 (Serial Port A) and COM2
BIOS
(Serial Port B) is AUTO (automatic parameter assignment). If a direct
parameter assignment is required, you should choose the following
settings:
COM1 = 3F8H and COM2 = 2F8H
COM3 and COM4 are set ex works as "Enabled".
Note:
Interrupt (IRQ) and I/O address must coincide with the settings
made in BIOS.
If an address conflict regarding COM3 occurs, e. g., IRQ 10 or
11 are already occupied by other extension cards of the PC,
free IRQs have to be used.
RS232
Max. 15 m
Shielded, cross section min. 0.14 mm²
Max. 115200 bits/s
Hardware and software handshake (XON, XOFF)
XCOM1
XCOM2
4
AUTO
AUTO
(or 3F8H)
(or 2F8H)
Enabled
Enabled
XCOM
DCD
RX
5
TX
DTR
GND
DSR
RTS
9
CTS
RI
Shield applied to the metall housing
of the plug-in connector
Connections
XCOM3
3
10
3E8H
Enabled
1
To peripheral
devices (without
touch screen)
9
com_sst.cdr
7-3
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