### TMCS Technical Monitoring and Control System

The TMCS (Technical Monitoring and Control System) is a special case of a Process Visualisation and Control System. It is used for control and configuration of a distributed VCS (Voice Communication System). It was developed with Visual Age Smalltalk for OS independency and is available for OS/2, AIX and Windows NT. The System is based on a Client/Server technology and is scalable from a single PC solution to a redundant distributed UNIX system.

The main components:

- Protocol converters - used to convert external interface protocols for state and parameter information to the internal software interface. At the moment HDLC, Siemens 3964R and PPP are implemented. These are used to implement proprietory or open protocols like SNMP and (T)FTP.
- CommPC - used to monitor and configure the attached system. State messages and other system data are sent over a named pipe to one or more monitoring and control servers, they receive commands and parameters which are sent back to the system.
- Monitoring and Controlling Server (MCS) - used to combine the received data from the system and data stored in a database (Oracle). The MCS generates log files, statistic files and satus files which are also stored in the database. Via the distributed feature the MCS is communicating with the clients.
- Client - the interface to the users. They can modify parameters, issue commands and control the state of the attached system. Historical data can be retrieved from the database and printed.

More Information www.pdts.at/sw-tx3.htm

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