Chapter 3 Hardware Configuration
BA-2501 SERIES USER MANUAL
Page: 3-11
3.4.2 COM3, COM4, COM5, COM6 CONNECTOR
Connector Location: COM3, COM4, COM5, COM6
Description:
COM Connector, fixed as RS-232
PIN ASSIGNMENT PIN
ASSIGNMENT
1
DCD#
6
DSR#
2
RX
7
RTS#
3
TX
8
CTS#
4
DTR#
9
RI#
5
GND
-
-
Note:
1.
COM3, COM4: Pin 9 is selectable for RI, +5V or +12V by jumper setting. Default setting
is RI, please see “
COM3 and COM4 PIN9 Definition Selection Guide”
for selection
details.
2.
COM3 and COM4 are available for C236/Q170 SKU only.
3.
COM5 and COM6 are available for C236 SKU only.
COM3/
COM4/
COM5/
COM6
