Table 38: Pin Assignment Com5, Com6 (Cn5, Cn6); Table 39: Signal Description - Kontron ATX-KBL-S User Manual

Pin RS232 Signal
10 NC, Key
*: Pin configuration can be selected by Jumper JP1.

Table 38: Pin Assignment COM5, COM6 (CN5, CN6)

Pin RS232 Signal
1 DCD
2 RXD
3 TXD
4 DTR
5
GND
6 DSR
7 RTS
8 CTS
9 RI
10 NC, Key
The COM ports need to install an OS patch from ITE. The patch is only available for
Windows and is not available Linux.

Table 39: Signal Description

Signal Description
TXD Transmitted Data, sends data to the communications link. The signal is set to the marking state (-12
V) on hardware reset when the transmitter is empty or when loop mode operation is initiated.
RXD Received Data, receives data from the communications link.
DTR
Data Terminal Ready, indicates to the modem etc. that the on-board UART is ready to establish
communication link.
DSR Data Set Ready, indicates that the modem etc. is ready to establish a communications link.
RTS Request To Send, indicates to the modem etc. that the on-board UART is ready to exchange data.
CTS Clear To Send, indicates that the modem or data set is ready to exchange data.
DCD Data Carrier Detect, indicates that the modem or data set has detected the data carrier.
RI
Ring Indicator, indicates that the modem has received a ringing signal from the telephone line.
GND Power Supply GND signal
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ATX-KBL-S - User Guide, Rev. 1.1
Note
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