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DB9 Male / RJ12 Female, Gray.
This unit allows you to configure your own specific pinouts. When trying to run a serial connection over a very long distance, it is better to use a phone line to do so. It will cut down on signal loss and interference.

RJ12 Pin Outs: 1-White, 2-Black, 3-Red, 4-Green, 5-Yellow, and 6-Blue.

DB9 Female / RJ12 Female, Gray.
This unit allows you to configure your own specific pinouts. When trying to run a serial connection over a very long distance, it is better to use a phone line to do so. It will cut down on signal loss and interference.

RJ12 Pin Outs: 1-White, 2-Black, 3-Red, 4-Green, 5-Yellow, and 6-Blue.

DB9 Female / RJ45 Female, Red.
This unit allows you to configure your own specific pinouts. When trying to run a serial connection over a very long distance, it is better to use a ethernet line to do so. It will cut down on signal loss and interference.

RJ45 Pin Outs: 1-Blue, 2-Orange, 3-Black, 4-Red, 5-Green, 6-Yellow, 7-Brown, and 8-White.