20
Connecting to RS-232C
When connecting PC serial port (COM1, COM2) through RS-232C from back of SNS-110, you may
select console mode of SNS-110 by using PC terminal emulation program (HyperTerminal).
Control S/W from the front panel must be positioned
"
OFF
".
RS - 232C Terminal (D-Sub 9Pin)RS - 232C Connecting to Cable
RS-232C
ETHERNET DC 5V
ALARM IN
R/O RX TX
1 2 0 3 4 0 - + - +
RA
RC
Pin Number Name Direction
1NC
2 TxD(Transmit Data) Output
3 RxD(Receive Data) Input
4NC
5 SG(Signal GND) Power
6NC
7NC
8NC
9NC
RS - 232C Cable
Terminal
Emulation
Program
Serial Port
(COM1, COM2)

In the console mode, if you change the existing data improperly, the system

may result in serious problems.

Caution