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Radio, TNC & GPS Pinouts

MFJ Sound Card Radio Interface (1275/1275m)

1275
Header
Jumper
IC729
Jumper
IC706(MkII(G))
Jumper
FT-817 (100D?)
HD1
6
7
7
HD2
7
5
4
HD3
2,3,4,6,7,8
1,2,3,5,7,8
1,2,3,4,7,8
HD4
1
6
5
HD5
5
4
6
HD6
5
4
6
HD7
1
6
5

Trying to build an adapter to use my
MFJ-1275m with my Icom IC-729

8-pin Mic
Function
RJ45 Mic
1
TX (Mic)
6
2
3
Up/Down (470 Ohm)
2
4
5
PTT
4
6
Ground
5
7
Mic Ground
7
8
RX
3


5-pin DIN Function
1
Transmit Signal
2
Ground
3
PTT
4
Receive Signal
5
(some models)
External Carrier Detect
Some models have a separate connector for Receive Signal (speaker input). For example, Kantronics KPC-1 has an "Aud In" jack.

DB-9 Function
1
Transmit Signal
2
External Carrier Detect*
3
PTT
4
N/C
5
Receive Signal
6
Ground
7
N/C
8
N/C
9
Ground


* Also used as RxD for software serial port on KPC3+ v8.3

 

Kenwood TM-D700 & TH-D7 GPS/Computer interface
Radio Shack 274-244 (straight) or 274-298 (right angle) plug

DB-9F DB-9M Function Audio Plug (2.5mm)
1
1
DCD
2
3
Tip
3
2
Ring
4
4
5
5
Ground
Sleeve
6
6
7
7
8
8
9
9

Adapter cable to make TNC2
look like a KPC3
DB-9
Function
5-pin DIN
1
Transmit Signal
1
2
External Carrier Detect
5
3
PTT
3
4
N/C
5
Receive Signal
4
6
Ground
2
7
N/C
8
N/C
9
Ground

Alinco DR-135T
DB-9 Pinout
DB-9 Function
1
SQC squelch signal output.
2
9600 bps data out
3
9600 bps data in
4
1200 bps data out
5
Ground
6
N/C
7
PTT
8
5.0V dc max 50mA output
9
1200 bps data in

Adapter cable
KPC3 to DR-135 to TNC2
DB-9
(KPC3)
Function
DB-9f
(DR-135)
5-pin DIN
1
Transmit Signal
9
1
2
External Carrier Detect
5
3
PTT
7
3
4
N/C
5
Receive Signal
4
4
6
Ground
5
2
7
N/C
8
N/C
9
Ground
5



Yaesu FT-2600M
DB-9 Pinout
DB-9 Function
1
SQC squelch signal output.
2
9600 bps data out
3
9600 bps data in
4
1200 bps data out
5
Ground
6
N/C
7
PTT
8
5.0V dc max 50mA output
9
1200 bps data in

Adapter cable
KPC3 to FT-2600M to TNC2
DB-9
(KPC3)
Function
DB-9f
(FT-2600M)
5-pin DIN
1
Transmit Signal
9
1
2
External Carrier Detect
5
3
PTT
7
3
4
N/C
5
Receive Signal
4
4
6
Ground
5
2
7
N/C
8
N/C
9
Ground
5


Icom IC-729 8-pin Mic
Mic
Function
1
TX (Mic)
2
3
Up/Down (470 Ohm)
4
5
PTT
6
Ground
7
Mic Ground
8
RX

Icom IC-706 RJ45 Mic
Mic
Function
1
8v (10mA)
2
Up/Down (470 Ohm)
3
AF Out
4
PTT
5
Ground
6
Mic
7
Mic Ground
8
Squelch

Details on the MiniDIN 6-pin "DATA" connector by Stephen H. Smith WA8LMF

Normal mini-DIN6 connections
pin function

1 data
2 (reserved)
3 gnd
4 +5v
5 clock
6 (reserved)

Kenwood PG-5A to KPC-3

  Mini-DIN6m Function DB9m
Brown
1
Mic
1
Red
2
Mic Gnd
6
Orange
3
PTT
3
Yellow
4
9600
Green
5
1200
5
Blue
6
Sql

Argent Data mini-DIN6 to KPC-3

  Mini-DIN6m Function DB9m
Grey
1
Mic
1
Brown
2
Mic Gnd
6
Green
3
PTT
3
Blue
4
9600
Red
5
1200
5
Yellow
6
Sql
Only connect the Sql line if you know you need it. otherwise it may cause delays in packet transmission.

Argent Data mini-DIN6 to TNC-2

  Mini-DIN6m Function 5-pin DIN
Grey
1
Mic
1
Brown
2
Mic Gnd
2
Green
3
PTT
3
Blue
4
9600
Red
5
1200
4
Yellow
6
Sql
5
Only connect the Sql line if you know you need it. otherwise it may cause delays in packet transmission.

Adapter for Holux GPS PS2 to Opentracker

  Mini-DIN6m Function DB9f
Grey
1
DGPS In
Brown
2
Data to GPS
3
Green
3
Ground
5
Blue
4
Data from GPS
2
Red
5
N/C
Yellow
6
+5VDC
4

Version 2.3.2-GSW2-2.05.024-C1Prod1.1
System Clock: 12.277MHz

 

Adapter for Deluo GPS PS2 to Opentracker

  Mini-DIN6m Function DB9f
Grey
1
Ground
5
Brown
2
Vext
4
Green
3
Data to GPS
3
Blue
4
N/C
Red
5
PPS
Yellow
6
Data from GPS
2

From deluo.com page.

GPS 18 LVC pinouts

  DB9m Function DB9f
Yellow
1
N/C
White
2
Data to GPS
3
Green
3
Data from GPS
2
Red
Vext
4
Black
5
Ground
5

Maxon to KPC3 (OT, TT)

Function DB9f Color DB9m
Function
Data in
1
White
1
Audio out
Data out
2
Green
5
Audio in
PTT
3
Yellow
3
PTT
Ground
4
Black
6
Ground
Vcc
5
Red
7
Vin

 

RS-232

DB-9M   Function
1
DCD
Data Carrier Detect
2
RD
Receive Data
3
SD
Transmit Data
4
DTR
Data Terminal Ready
5
SG
Signal Ground
6
DSR
Data Set Ready
7
RTS
Request toSend
8
CTS
Clear to Send
9
RI
Ring Indicator

Holux GPS to D7 (D700) with 5VDC to GPS
Adapter Board

Connector cable
Maxon to OT+ (OT2, KPC3, etc.)
(Pins 7, 8, and 9 on the radio are for SD models not DM models)
Function
DB-9m
Maxon
DB-9
(OT+)
Function
Volume Control
9
N/C
Chanel Select
8
N/C
Power +11.5v
7
N/C
Carrier Detect
6
N/C
Vcc+
5
7
Vcc
Ground
4
6
Ground
PTT
3
3
PTT
Audio Out (Sp)
2
5
Receive Signal
Audio In (Mic)
1
1
Transmit Signal

Pins 4&5 on the radio also have leads to powerpoles so that power can be provided to the radio and OT+.
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Last modified: Friday, November 19, 2010 Creative Commons License
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