EMB-BSW1
EMB-BSW1 Serial port connectors
COM6
PIN 1
COM3
RI RTS GND TXD DCD
CTS DSR DTR RXD
PIN 1
RI RTS GND TXD DCD
CTS DSR DTR RXD
COM5
PIN 1
COM2
RI RTS GND TXD DCD
CTS DSR DTR RXD
PIN 1
RI RTS GND TXD DCD
CTS DSR DTR RXD
COM4
PIN 1
COM1
RI RTS GND TXD DCD
CTS DSR DTR RXD
PIN 1
RI RTS GND TXD DCD
CTS DSR DTR RXD
15. Serial port connectors (9-pin COM1~6)
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.
NOTES:
• The COM module is purchased separately.
• COM1 also supports RS-232 / RS-422 / RS-485. See the table below and
section
3.3.6 SIO Configuration
for details.
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.
2-17
Chapter 2: Motherboard information
