Lenovo EAM-400H User Manual page 32

Serial Port Connectors - RS-232 (COM2~6)
Pin #
1
2
3
4
5
6
7
8
9
10
Serial Port Connector - RS-422/485 (COM6)
Pin #
1
2
3
4
5
6
7
8
9
10
See "COM6 Mode Jumper Settings (JSETCOM6)" on page 24.
20
Signal
DCD Data Carrier Detect
DSR Data Set Ready
RXD Receive Data
RTS Request to Send
TXD Transmit Data
CTS Clear to Send
DTR Data Terminal Ready
RI Ring Indicate
GND Ground
NC Key
RS-422
TX-
N/A
TX+
N/A
RX+
N/A
RX-
N/A
GND
Key
Function
RS-485
DATA-
N/A
DATA+
N/A
1
N/A
N/A
9
N/A
N/A
GND
Key
Hardware Information
1 2
9 10
2
10