SBC84831 All-In-One Capa Board User’s Manual
Jumpers and Connectors
25
2.4.11 Serial Port1 Connector (COM1)
The COM 1 Port connector is a standard DB-9 connector.
Pin
Signal
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
2.4.12 Serial Port 2, 3, 4 Connectors (COM2, COM3,
COM4)
Here is the pin assignment list for your reference.
Pin
Signal
Pin
Signal
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
N.C.
Summary of Contents for SBC84831 Series
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