TB7100 Base Station Installation and Operation Manual
TB7100 Base Station Installation and Operation Manual (local)
Connectors and Pinouts
|Pin||Function||Signal||Comment||Wire Colour||DB9 Pin|
|3||TXD ||Input||Transmit Data||Orange/White||2 RX|
|5||MIC ||Input||Audio In||Blue/White||N/C|
|6||GND Ground||Ground||Orange||5 GND|
|7||RXD Receive Data ||Output||Receive Data||Brown/White||3 TX|
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.
Null Modem Cable
USB to Serial
IOCrest USB to Serial (RS232, DB9 Male) Cable Adapter - FT231X PCI Vendor ID 0403 Product ID 6015:
For programming the base station, the PROG / MIC port must be used
Selection of Frequency Pairs
n Lyons VK4PK
Ver:gnl20191217 - pre published v0.9