2-12
Hardware Setup
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Serial Port Connector: COM2, COM3, COM4
This connector is a 16550A high speed communications port that sends/
receives 16 bytes FIFOs. You can attach serial devices to it through the
optional serial port bracket.
8.CT
S
3.TX
D
1.DC
D
6.DS
R
5.GN
D
4.DT
R
7.RT
S
2.RX
D
9.VC
C_C
OM
PIN
SIGNAL
DESCRIPTION
1
2
3
4
5
6
7
8
9
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
VCC_COM1
Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Voltage select setting by jumper
RS-232