AXIOMTEK EP820 Series, User Manual

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EP820 All-In-One EPIC Board User’s Manual
Jumpers and Connectors
29
COM2 Port Connector Pin Assignments: CN14
Pin Description Pin Description
1
Data Carrier Detect
(DCD)
2
Data Set Ready
(DSR)
3 Receive Data (RXD) 4
Request to Send
(RTS)
5 Transmit Data (TXD) 6 Clear to Send (CTS)
7
Data Terminal Ready
(DTR)
8 Ring Indicator (RI)
9 Ground (GND) 10 NC
CN14
1
2
The RS-422/485 Pin Assignments for COM1 are listed below:
Signal Name
Pin #
R2-422 RS-485
1 TX- DATA-
2 TX+ DATA+
3 RX+ No connector
4 RX- No connector
5 GND GND
6 No connector No connector
7 No connector No connector
8 No connector No connector
9 No connector No connector
2.4.14 USB Connectors: CN17, CN19
The board features four Universal Serial Bus (USB) connectors, USB
2.0 compliant (480Mbps), can be adapted to various USB peripherals,
such as monitor, keyboard and mouse. There are one double deck
USB connector
CN17 and one box-header connector CN19 .
Pin Description Pin Description
1 VCC 2 VCC
3 D0- 4 D1-
5 D0+ 6 D1+
7 Ground (GND) 8 Ground (GND)
9 Ground (GND) 10 Ground (GND)
CN19