Chapter 3
External Connectors
Universal Serial Bus (USB) Ports
22
Universal Serial Bus (USB) Ports
Figure 3-2
Dual USB Port Connector
Serial Port
Figure 3-3
Serial Port Connector
Table 3-1
USB Pinouts
Pin Number
Signal Description
1
+5VDC
2
MR
3
PR
4
Ground
Table 3-2
Serial Port Pinouts
Pin Number
Signal Description
1
Data Carrier Detect
2
Receive Data
3
Transmit Data
1
2
3
4
1
2
3
4
1 2 3 4 5
6 7 8 9
