N-Tron 708M12 User Manual
Page 15
(Revised 2011-07-20)
Page 15 of 156
SERIAL INTERFACE
The 708M12 Switch provides an EIA-232 interface accessed via an A Coded female connector (labeled
‗COM‘ on the unit). This is used to access the Command Line Interpreter (CLI). The pin-outs are shown
below:
SERIAL-DB9-M12
Serial Cable
Connect the serial COM port of your PC and the 708M12 Switch using N-Tron‘s SERIAL-DB9-M12 serial
cable. You will require a cable with a 9-pin or 25-pin sub-D female connector for the PC end, and a 4-Pin A
Coded M12 Male connector for the 708M12 end.
The following table shows the pin-out and the connections for both types of cable:
PC Port
25-Pin
9-Pin
708M12
Female
Female
4-Pin A Coded M12 Male
Signal Name
Pin #
Pin #
Pin #
Signal Name
TXD
2
3
2
RXD
RXD
3
2
1
TXD
GND
7
5
3/4
GND
HyperTerminal
The following configuration should be used in HyperTerminal:
Port Settings:
115200
Data Bits:
8
Parity:
NONE
Stop bits:
1
Flow Control:
NONE