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Figure 3.7 Component side of the I/O Board
PN Position Description
1 CN4 COM1 (RS-232) Serial Port
2 CN6 COM4(RS-485) Serial Port
3 CN2 Audio(Line-out) Port
4 CN5 RJ-45 for Ethernet Port
5 CN3 USB Client Port
6 CN1 USB Host Port
7 CN9 Power Connector
8 SW1 Power Switch
9 CN10 Power Source to main board
10 CN7 Multi-function I/O header (I)
CN 6 : RS-232 serial port