Chapter 2. System Configuration
2-2
2.1.2 Cnet I/F system
The Cnet I/F System are used for communication between the main unit and external devices using RS-232C/RS-422
Interface. The GM7U has a built-in RS-232C port, RS-485 port and has also G7L-CUEB for RS-232C, G7L-CUEC for
RS-422. It is possible to construct communication systems on demand.
1) 1:1 Communications system
(1) 1:1 communication between PC and GM7U via RS-232C built-in port
(2) 1:1 communication via modem connection function of Cnet I/F module to interface with long distance devices
RS-232C
GM7U Series
Modem
Modem
G7L-CUEB
G7L-CUEB
Modem
Modem
GM7U Series
GM7U Series
G7L-CUEB
GM7U Series
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