How to create a FLEX-1500/3000 Microphone cable for Icom Microphones
Content provided by: FlexRadio Systems Engineering
The following is the pinout for creating a RJ45 to 8-pin Foster connector (female) that will accept Icom microphones.
FLEX-1500 Icom
RJ45 Connector (male) 8-Pin Foster (female)
Pin 1: <-----[ Up ]------------------> NOT CONNECTED
Pin 2: <-----[ Down ]--------------> NOT CONNECTED
Pin 3: <-----[ +5 VDC ]------------> Pin 2
Pin 4: <-----[ Mic - ]----------------> Pin 7
Pin 5: <-----[ Mic + ]---------------> Pin 1
Pin 6: <-----[ PTT ]-----------------> Pin 5
Pin 7: <-----[ Ground ]------------> Pin 6*
Pin 8: <-----[ Not Used ]----------> NOT CONNECTED
* - If using a shielded cable, connect the shield to Pin 6 and to the metal shell of the 8-pin Foster connector
Do not connect MIC(-) and Ground together.
This KB article may reference additional files that are available on the FlexRadio Systems web site Downloads page. Please use the URL(s) below to download the referenced materials.
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KB Source Document(s):
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| System Dependencies | |
| Minimum PowerSDR Version: | 1.X.0 |
| Applicable Hardware: | FLEX-5000 |
Content provided by: FlexRadio Systems Engineering
The following is the pinout for creating a RJ45 to 8-pin Foster connector (female) that will accept Icom microphones.
FLEX-1500 Icom
RJ45 Connector (male) 8-Pin Foster (female)
Pin 1: <-----[ Up ]------------------> NOT CONNECTED
Pin 2: <-----[ Down ]--------------> NOT CONNECTED
Pin 3: <-----[ +5 VDC ]------------> Pin 2
Pin 4: <-----[ Mic - ]----------------> Pin 7
Pin 5: <-----[ Mic + ]---------------> Pin 1
Pin 6: <-----[ PTT ]-----------------> Pin 5
Pin 7: <-----[ Ground ]------------> Pin 6*
Pin 8: <-----[ Not Used ]----------> NOT CONNECTED
* - If using a shielded cable, connect the shield to Pin 6 and to the metal shell of the 8-pin Foster connector
Do not connect MIC(-) and Ground together.
This KB article may reference additional files that are available on the FlexRadio Systems web site Downloads page. Please use the URL(s) below to download the referenced materials.
An Adobe Acrobat Reader may be required to open the file.You can download Adobe Acrobat from here.
KB Source Document(s):
None Referenced
