CTNet

Local system comprises equipment and software required for it’s self-contained functioning, including Dispatcher Center (Fig.1).

Fig. 1. Block Diagram of the Dispatcher Center.

Structure of the base equipment of the Dispatcher Center.

Receiver CTN-9902

The receiver of a base station has a module structure. The structure of modules of the receiver depends on problems and configuration of a system.

Full receiver structure:
1-8 GSM Receiver Modules CTN-9902/G20 (Option);: 1-2 ORBCOMM Modems Module CTN-9909/O (Primary and Backup);
DGPS Communication Module (Option)
Backplane.: All modules (Plug-in unit) are established in a Basic Case 3U.; GSM Receiver Module CTN-9902/G20 features
Siemens M20 type GSM OEM Module;
Full functional GSM terminal (DATA, SMS, FAX, VOICE functions);
Standard RS-232 interface connection (9-pin connector) for PC;
64-pin interface connector which includes power and data lines.: ORBCOMM Modems Module CTN-9909/O features
“QUAKE Wireless” company ORBCOMM OEM Module;
Full functional ORBCOMM communicator;
Standard RS-232 interface connection (9-pin connector) for PC;
64-pin interface connector which includes power and data lines.: NOTICE: The communications protocol of the receiver with the software is open for the end-users of a system.


Fig. 2. Design GSM Transceiver Module.