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link 4.05.2007 20:50 |
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Subject: line coupling transformer terminals telecom. - терминалы трансформатора подключения к линии?In a 4W connection, two wires are used for Tx direction and two for Rx direction. In a balanced connection, each pair of wires include signal and return part connected to the line coupling transformer terminals (located just before the 4W output ports). |
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