B&B RS-232 Data Tap - 2 x DB-25 Female Serial - 1 x DB-25 Male Serial 232CDT

On the Data Tap the male RS-232 connector on the top and the female RS-232 connector on the bottom are connected straight through, pin for pin. These connectors are used to connect the Data Tap in series with the RS- 232 line to be tapped. Either the Transmit Data from pin 2 or the Receive Data from pin 3 can be brought out to the Tap Connector. Pin 1, Protective Ground, and pin 7, Signal Ground, of all three connectors are interconnected.The small switch is used to program the Tap Connector. The bottom two switches pick Receive Data (RD) or Transmit Data (TD) to be sent to the Tap Connector. (See the markings near the switch.) When the RD switch is on, only mainline Receive Data is sent to the Tap Connector. When the TD switch is on, only mainline Transmit Data is sent to the Tap Connector. When both switches are on, both the Transmit Data and the Receive Data are sent to the Tap Connector.

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