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Connecting to the C-Gate Server

The C-Gate Server is used to easily interface between C-Bus networks and other systems or programs that are going to manage those networks. It is also possible to connect to C-Gate and interact with it and the C-Bus networks using a standard TCP/IP telnet client. C-Gate provides four interfaces to allow other systems to have high-level control and monitoring of the C-Bus networks via the C-Gate Server:-
The Command Interface.
The Event Interface.
Load Change Port.
Configuration Change Port.

Addressing

C-Gate Commands and Events use an addressing system to refer to C-Bus networks, groups and devices.

This addressing system gives the name of a network, then either a C-Bus unit or a group number. Additionally, a terminal of an output unit can be addressed also. All the group, unit and terminal numbers are in decimal.
  The Command Interface

The Command Interface allows a controlling system or program (or even a Perl script or Java applet) to control and get the status of
C-Bus groups and units on the networks. The command interface is based on ASCII text commands and formatted responses delivered via a TCP/IP socket.

When C-Gate starts, it opens a TCP/IP server on the command-port (defined in the C-Gate configuration file). One or more clients then connect to this port and access the command interface. A computer program does this by using TCP/IP to open a socket connection, then sending and receiving commands over this socket connection. To type commands and get information from C-Gate, a Telnet client can be used to connect and interact with C-Gate.



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