Although this is called a 9-pin null modem adapter because it fits into a 9-pin (DB9) socket, this adapter only has 8 pins. The 9th pin is not typically used in a null-modem adapter, so some manufacturers simply leave it out.
Although this is called a 9-pin null modem adapter because it fits into a 9-pin (DB9) socket, this adapter only has 8 pins. The 9th pin is not typically used in a null-modem adapter, so some manufacturers simply leave it out...
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