Comen CM300 - Mains Connection and Switch; Bottom Panel

13
2) RS232 Socket
WARNING :
RS232 interface is 1500V AC isolated intensity and the maximum voltage applied
should not exceed +15V DC.
Definition of corresponding pins:
Pin Signal Pin Signal Pin Signal
1
NC
4
NC
7
NC
2
RxD (input)
5
GND
8
NC
3
TxD (output)
6
NC
9
NC
3.3 Mains Connection and Switch
1) Potential Equalization Terminal
Potential equalization conductor provides a connection between the unit and the
potential equalization bus bar of the electrical installation.
2) Mains Supply Socket
POWER: alternating current supply socket
3) Power Switch
: Switch on
: Switch off
3.4 Bottom Panel
Potential Equalization Terminal
Mains Supply Socket