Modem shutdown Indicator

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This circuit is also Crossed to: Modem Circuits

The circuit has been designed to accommodate all those who dedicate many hours of their lives by exploring the endless pages of this site. Despite the fact that it consists of only three components (Most were not little!), Is able to provide an indication of whether it actually released the telephone line after a long connection via modem to the network. This can be particularly useful, since there In many cases, the computer claims that the telephone network connection has been interrupted, but the modem for some reason keeps the line engaged.

Symvoulemomenoi indications of this simple circuit you save by unwanted "blocks" of your phone, while ensuring that the end of two months the account will is reasonable. The circuit is based on the specificity of the line to keep a potential that the rest reaches 40 or 50 V. The same line, that when some conference, 'throw' the trend is sharply to about 1 A n.

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