Your System's Glitch May Call For A Serial Switch

If you run a hardened system, odds are that you are controlling several devices in your signal path at once. If so, there is little doubt that your hub needs to be rerouted, differentiated or modified on a frequent basis. The larger the input to your control system or terminal, the greater you will benefit from proper switching. Having a solid, dependable serial switch for this purpose is simply not an option. There are plenty from which you can choose.

First, understanding the application for your switching device is essential. The basic purpose is very simple. It will eliminate the need for you to connect each device to your terminal. But that is not all by any means. Properly designed switches can also handle different baud rates and error detecting codes (also called parity) as well as differing character length. So, even at the outset, the purpose of a solid, well designed switcher becomes apparent. It will eliminate your dependency on plug-ins or having to program your own modes to accomplish these tasks.

Different manufacturers offer a host of custom options, so a bit of study and research may be needed to assure you make the right choice. Essentially, the goal of most port, terminal, mix or routing switchers is to also insure a minimum of the down-time normally associated with the reconfiguration of terminals during use. Reconfiguration at the terminal end can be a hassle even under non-stressed operation. Consequently, a well designed serial switch provides a solid tool for rapid transitions at the server end. Most good switchers are scalable, and so can be fitted very easily to literally thousands of devices without problem. Additionally, many systems provide communication options and are compatible with several languages, whether Chinese, Japanese or English. This can be a tremendous benefit to networking.

Designers usually pay particular attention to the sensitivity of the server system, and many provide sensors that will detect dangerous temperatures as well as humidity or direct moisture and alert the monitoring personnel instantly. This is very important if there is not an IT person physically monitoring your signal path on a continuous basis. This is another example of the convenience of a good switching system. It is not surprising that these types of routing controllers have been developed for many industrial purposes, from television to air traffic control.

Ordinarily a good switch design will allow for device listing as well as menu and memory programs to further support your operation with minimum fuss. Most are rack mountable, ranging generally from a 1U rack requirement to a 3U. However, specially designed units can even be free-standing. Higher-end switchers and routers often come with redundant power supplies in one form or the other. In short, a dependable serial switch is a basic need.







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