2-21
Chapter 2: Motherboard information
13. Serial port connectors (10-1 pin COM1, COM3~COM6)
These connectors are for serial (COM) ports. Connect the serial port module
cable to this connector, then install the module to a slot opening at the back
of the system chassis.
NOTE:
• The COM module is purchased separately.
• COM1 also supports RS-232 / RS-422 / RS-485. See the table below and
section
3.3.2 Super IO Configuration
for details.
EMB-BT4 Serial Port connector
PIN 1
Ring
RTS#
GND
TXD
DCD#
(NC)
CTS#
DSR#
DTR#
RXD
COM6
PIN 1
Ring
RTS#
GND
TXD
DCD#
(NC)
CTS#
DSR#
DTR#
RXD
COM5
PIN 1
Ring
RTS#
GND
TXD
DCD#
(NC)
CTS#
DSR#
DTR#
RXD
COM4
PIN 1
Ring
RTS#
GND
TXD
DCD#
(NC)
CTS#
DSR#
DTR#
RXD
COM3
COM1
PIN 1
DCD#
TXD GND RTS#
RI/+12V/+5V
RXD DTR# DSR# CTS# (NC)
Pin
Signal
Pin
Signal
1
DCD (422TXD-/485DATA-)
2
RXD ()
3
TXD (/)
4
DTR (422RXD-)
5
GND
6
DSR
7
RTS
8
CTS
9
RI/+12V/+5V
10
N.C.
Summary of Contents for EMB-BT4
Page 1: ...Industrial Motherboard EMB BT4...
Page 8: ...EMB BT4 1 4...
Page 32: ...EMB BT4 2 24...
Page 44: ...3 12 EMB BT4...
Page 46: ...A 2 EMB BT4 Pb Hg Cd Cr VI PBB PBDE SJ T 11363 2006 SJ T 11363 2006 2002 95 EC...