Serial Port Interface (Cn5, Cn7); Usb 1 ~4 Connectors (Cn6, Cn2) - AXIOMTEK SBC81700 Series User Manual

SBC81700 VIA V4 SBC User's Manual

2.4.4 Serial Port Interface (CN5, CN7)

The serial interface for the board consists of COM1 port (CN5) and
COM2 (CN7) to support RS-232/RS-422/RS-485.
CN5 & CN7:
The RS-232 pin assignment is listed on the following table.
Pin Signal
Data Carrier Detect
1
(DCD)
3 Receive Data (RXD)
5 Transmit Data (TXD)
Data Terminal Ready
7
(DTR)
9 Ground (GND)
CN7:
The RS-422/485 pin assignment is listed on the following table.
Pin #
RS-422
1 TX-
2 No connector
3 TX+
4 No connector
5 RX+
6 No connector
7 RX-
8 No connector
9 GND
10 No connector
2.4.5

USB 1 ~4 Connectors (CN6, CN2)

These Universal Serial Bus (USB) connectors on this board are for
installing versatile USB interface peripherals. These are 10-pin
standard USB connectors.
14
Pin Signal
2 Data Set Ready (DSR)
4 Request to Send (RTS)
6 Clear to Send (CTS)
8 Ring Indicator (RI)
10 NC
Signal Name
RS-485
DATA-
No connector
DATA+
No connector
No connector
No connector
No connector
No connector
GND
No connector
Jumpers and Connectors