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Hardware Configuration
AMI220 / 221 / 222 User Manual
31
2
2.1.8
Pinout for COM Ports, DC-In & Power Button Connectors
•
COM1 RS232/422/485 Port
COM1 port is jumper-less and configurable in BIOS.
Pin Assigment
Pin
Assigment
1
DCD, Data carrier detect
6
DSR, Data set ready
2
RXD, Receive data
7
RTS, Request to send
3
TXD, Transmit data
8
CTS, Clear to send
4
DTR, Data terminal ready
9
RI, Ring indicator
5
Ground
Pin
Assignment
RS-232
RS-422
RS-485
1
DCD
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
Ground
Ground
Ground
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
•
COM2 / COM3 / COM4 RS-232 Ports
Pin Assigment
Pin
Assigment
1
DCD, Data carrier detect
6
DSR, Data set ready
2
RXD, Receive data
7
RTS, Request to send
3
TXD, Transmit data
8
CTS, Clear to send
4
DTR, Data terminal ready
9
RI, Ring indicator
5
Ground
1
6
5
9
1
6
5
9
Summary of Contents for AMI220
Page 1: ...AMI220 AMI221 AMI222 High Performance Fanless System User s Manual Version 1 1 Feb 2019...
Page 25: ...General Information AMI220 221 222 User Manual 17 1 1 11 Dimensions AMI220 Unit mm...
Page 26: ...18 AMI220 221 222 User Manual 1 12 Dimensions AMI221 Unit mm...
Page 27: ...General Information AMI220 221 222 User Manual 19 1 1 13 Dimensions AMI222 Unit mm...