
Chapter 2
System Information
15
Serial Port Connector
5
4
3
2
1
9
8
7
6
Serial Port Connector
Serial Port Connector (male) Pinouts
Pin Number
Signal Description
1
Data carrier detect
2
Receive data
3
Transmit data
4
Data term ready
5
Signal ground
6
Data set ready
7
Request to send
8
Clear to send
9
Ring indicator
USB Connector
1
1
2
2
3
3
4
4
USB Connector
Universal Serial Bus Connector Pinouts
Pin Number
Signal Description
1
VBUS
2
D+
3
D-
4
GND
NOTE
Use of the USB port is supported for printers, scanners, and external modems.