AXIOMTEK SBC86822 Series, User Manual

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SBC86822 Series All-In-One Mini ITX Board User’s Manual
Jumpers and Connectors
26
2.4.1 Serial Port Interface Connectors (CN1, CN3,
CN13, CN14, CN15)
CN3/CN13/CN14/CN15: COM2/COM4/COM5/COM6 Serial Port 10-pin (Box-
header) Connector Pin Assignment list
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 No connector
CN3,
CN13, CN14,
CN15
NOTICE 1 COM2 for 10-pin box-header is optional.
COM1/COM2/COM3: COM1, COM2 and COM3 are DB-9 connectors is
default. Here is the pin assignment list for your reference.
Pin Description
1 DCD, Data carrier detect
2 RXD, Receive data
3 TXD, Transmit data
4 DTR, Data terminal ready
5 GND, ground
6 DSR, Data set ready
7 RTS, Request to send
8 CTS, Clear to send
9 RI, Ring indicator
COM1, COM2, COM3
NOTICE 1 COM2 connectors are COLAY to CN3 connectors.
COM1/COM2 Default setting is DB-9 connector.