Kenwood NXR-5700 Instruction Manual page 4

Terminal Description
MIC (Modular Jack)
Pin
Pin Name Description
NO.
1 NC Not used
2 SB Power Output
3 GND GND
4 PTT PTT Signal
5 MICG MIC GND
6 MIC MIC Input
7 HOOK Hook Detection
8 NC Not used
USB (USB Type-B)
Pin
Pin Name Description
NO.
1 VBUS USB VBUS
2 D- USB Data minus
3 D+ USB Data plus
4 GND USB GND
TEST/ SPEAKER CONNECTOR
Pin
Pin Name Description
NO.
1 SB Power Output
2 SB Power Output
3 NC Not used
4 GND GND
5 GND GND
6 SPG Speaker GND
7 RD RX Data Output
8 RSSI RSSI Signal Output
9 SPI Internal Speaker Input
10 AO1 Open Collector Terminal
11 AO2 Open Collector Terminal
12 SPO External Speaker Output
13 AO3 Open Collector Terminal
14 AO4 Open Collector Terminal
15 AO5 Open Collector Terminal
Specifi cation I/O
Not used −
13.6 V O
GND −
Input Impedance 100 k I
MIC GND −
600 
I
Input Impeadance 100 k I
Not used −
Specifi cation I/O
Conform to USB specifi cation I
Conform to USB specifi cation I/O
Conform to USB specifi cation I/O
USB GND −
Specifi cation I/O
13.6 V O
13.6 V O
Not used −
GND −
GND −
Speaker GND −
Allowable load MIN 100 k O not De-emphasis
Output Level 0 to 5 V O
Short with "SPO" I
Allowable current value MAX 200 mA O
Allowable current value MAX 200 mA O
Output Level 3W (5%Distortion) O
Allowable current value MAX 200 mA O
Allowable current value MAX 200 mA O
Allowable current value MAX 200 mA O
Addendum
Control I/O (D-SUB 25 Pin) CONNECTOR
Pin
Pin Name
Notes
NO.
1 NC Not used
2 RXD Asynchronous Receive Data
3 TXD Asynchronous Send Data
4 AI1 Programmable Function Input 1
5 AI2 Programmable Function Input 2
6 AI3 Programmable Function Input 3
7 DG Digital GND
8 TD TX Data Input
9 TA TX Audio Input
10 RD RX Data Output
11 RA RX Audio Output
Notes
12 RXG RX Signal GND
13 SPM Speaker Mute
14 BER CLK For Bit Error Rate Clock
15 EMON External Monitor Switch
16 EPTT External PTT Switch
17 SC Squelch Control
18 BER DAT For Bit Error Rate Data
Notes
19 TXG TX Signal GND
20 IO1 Programmable Function I/O 1
21 IO2 Programmable Function I/O 2
22 IO3 Programmable Function I/O 3
23 IO4 Programmable Function I/O 4
24 IO5 Programmable Function I/O 5
25 IO6 Programmable Function I/O 6
LAN (Modular Jack)
Pin
Pin Name
NO.
1 TD+ TX Signal +
2 TD- TX Signal −
3 RD+ RX Signal +
4 NC Not used
5 NC Not used
6 RD- RX Signal −
7 NC Not used
8 NC Not used
SYNC 1, 2 Connector (There are two connectors)
Pin
Pin Name
NO.
1 FRMA RS-485 Differential Signal A
2 NC Not used
3 NC Not used
4 FRMB RS-485 Differential Signal B
Impedance 50 
RX ANT
Impedance 50 
TX ANT
REF IN External Reference Signal Input (10 MHz). Impedance : more than 1 k
Reference Signal Distribution (10 MHz). Load Impedance : more than 50 
REF OUT
Description Specifi cation
Not used
Comform to RS-232C standard
Comform to RS-232C standard
Input Impedance 47 k
Input Impedance 47 k
Input Impedance 47 k
Digital GND
Input Impedance 600 
Input Impedance 600 
Load Impedance 4.7 k
Load Impedance 4.7 k
RX Signal GND
Input Impedance 47 k
CMOS
Input Impedance 47 k
Input Impedance 47 k
Output level 0 or 5 V
CMOS
TX Signal GND
Input Impedance 47 k
Input Impedance 47 k
Input Impedance 47 k
Input Impedance 47 k
Input Impedance 47 k
Input Impedance 47 k
Description Specifi cation
Comform to IEEE802.3 standard
Comform to IEEE802.3 standard
Use Designated Transformer
Not used
Not used
Use Designated Transformer
Not used
Not used
Description Specifi cation
Conform to RS485
Not used
Not used
Conform to RS485
I/O Notes
−
I
O
I
I
I
−
I not Pre-emphasis
I Pre-emphasis
O not De-emphasis
O De-emphasis
−
I
O
I
I
O
O
−
I/O Output level 0 or 5 V
I/O Output level 0 or 5 V
I/O Output level 0 or 5 V
I/O Output level 0 or 5 V
I/O Output level 0 or 5 V
I/O Output level 0 or 5 V
I/O Notes
O 100 Mbps
O 100 Mbps
I 100 Mbps
−
−
I 100 Mbps
−
−
I/O Notes
I/O
−
−
I/O
B5K-0197-00