Tait TB7100

Front View
Rear View

https://support.taitradio.com/systems-and-products/tb7100-base-stations-repeaters/tb7100 TB7100 Base Station Installation and Operation Manual
TB7100 Base Station Installation and Operation Manual (local)



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Connectors and Pinouts

Front-and-Rear
Mic-pinouts.png
PinFunctionSignalCommentWire ColourDB9 Pin
1Not connectedGreen/WhiteN/C
2+13.8VOutput+13.8V 250mAGreenN/C
3TXD InputTransmit DataOrange/White2 RX
4PTT InputPTTBlueN/C
5MIC InputAudio InBlue/WhiteN/C
6GND GroundGroundOrange5 GND
7RXD Receive Data OutputReceive DataBrown/White3 TX
8Not connectedBrownN/C

Pins 3, 6 & 7 are used for the programming cable to the serial port.
Pins 2, 4, 5 & 6 are used for the Mic input.

DB9 Female Rear View

To null the connection so the cable will activate (fool) any hardware flow control signal that may be required, jumper the follow sets of pins. Connect pins 1,4 and 6 together and connect pins 7 and 9 together. Note that this is unlikely to be required for most modern equipment to operate successfully, especially USB to Serial adaptors.



DB9-Female-Rear-View.jpg db9m-pinout

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Null Modem Cable

D9_Null_Modem_Wiring

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USB to Serial

IOCrest USB to Serial (RS232, DB9 Male) Cable Adapter - FT231X PCI Vendor ID 0403 Product ID 6015:

USB-Serial USB-Serial-IOCrest

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Software Programming

For programming the base station, the PROG / MIC port must be used

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Duplexer

tait-tb7100-series-50w-duplexer

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Selection of Frequency Pairs



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Hardware Calibration



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Glen n Lyons VK4PK
glenn@LyonsComputer.com.au
Ver:gnl20191217 - pre published v0.9