Kenwood NXR-1700 Function Reference page 27

1 FUNCTIONS AND PANEL LAYOUT / 1.2 Rear
The following are the functions of CONTROL I/O (D-Sub 25-pin Connector):
Pin No.
Terminal Name
NC
Pin 1 RSSI
RESET
Pin 2 RXD2
Pin 3 TXD2
AUXI 1
Pin 4
CTS
AUXI 2
Pin 5
RTS
Pin 6 AUXI 3
Pin 7 DG
Pin 8 TD
Pin 9 TA
Pin 10 RD
Pin 11 RA
Pin 12 RXG
Pin 13 NC
Pin 14 AO1
Pin 15 EXT. MON
Pin 16 EXT. PTT
Pin 17 SC
Pin 18 AO2
Pin 19 TXG
Pin 20 AUXIO 1
Pin 21 AUXIO 2
Pin 22 AUXIO 3
Pin 23 AUXIO 4
Pin 24 AUXIO 5
Pin 25 AUXIO 6
* Refer to the service manual for the circuit change.
FUNC (E)/ Ver 2.00
Table 1-4 Functions of CONTROL I/O (D-Sub 25-pin Connector)
Function
Not Used
RSSI Voltage (Circuit change required) *
Reset Input (Circuit change required) *
UART
UART
Programmable Function Input 1
UART (Circuit change required) *
Programmable Function Input 2
UART (Circuit change required) *
Programmable Function Input 3
Digital Ground
TX Data input
TX Audio input
RX Data output
RX Audio output
RX Ground
Not Used
Programmable Function Output 1
External Monitor SW input
External PTT input
Squelch Control Output
Programmable Function Output 2
TX Ground
Programmable Function Input/Output 1
Programmable Function Input/Output 2
Programmable Function Input/Output 3
Programmable Function Input/Output 4
Programmable Function Input/Output 5
Programmable Function Input/Output 6
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