Kenwood NX-200S Instruction Manual 1 - Page 3

Instruction Manual

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VHF DIGITAL TRANSCEIVER UHF DIGITAL TRANSCEIVER NX-200 NX-200G NX-200S NX-300 NX-300G NX-300S INSTRUCTION MANUAL Terminal Descriptions Universal connector It is possible to use a resin-based cover for the Universal connector. No. Name I/O Description Impedance 1 SSW I Ext/Int Speaker Switch Input High Impedance 2 SP+ 3 SP- O BTL Output + for External Speaker 8 / 16  O BTL Output - for External Speaker 4 MSW I Ext/Int MIC Switch Input High Impedance 5 EMC I External MIC Input 1.8 k 6 ME - External MIC GND GND 7 PTT I External PTT Input High Impedance 8 PF I Programmable Function Key Input High Impedance 9 OPT I/O Man Down Input High Impedance 10 E − GND GND 11 5V O 5V power supply output 5 V 12 TXD O Serial Data Output CMOS 13 RXD I Serial Data Input CMOS 14 NC - Not used - Antenna Terminal 50  impedance Battery Terminal The battery terminal uses a spring plate. The negative terminal connects to the chassis ground. The battery is mounted on the rear side of the transceiver using a sliding mounting method.

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INSTRUCTION MANUAL
VHF DIGITAL TRANSCEIVER
UHF DIGITAL TRANSCEIVER
NX-200
NX-200G
NX-200S
NX-300
NX-300G
NX-300S
Terminal Descriptions
Universal connector
It is possible to use a resin-based cover for the Universal connector.
No.
Name
I/O
Description
Impedance
1
SSW
I
Ext/Int Speaker Switch Input
High Impedance
2
SP+
O
BTL Output + for External Speaker
8
/ 16
3
SP-
O
BTL Output – for External Speaker
4
MSW
I
Ext/Int MIC Switch Input
High Impedance
5
EMC
I
External MIC Input
1.8 k
6
ME
–
External MIC GND
GND
7
PTT
I
External PTT Input
High Impedance
8
PF
I
Programmable Function Key Input
High Impedance
9
OPT
I/O
Man Down Input
High Impedance
10
E
±
GND
GND
11
5V
O
5V power supply output
5 V
12
TXD
O
Serial Data Output
CMOS
13
RXD
I
Serial Data Input
CMOS
14
NC
-
Not used
-
Antenna Terminal
50
impedance
Battery Terminal
The battery terminal uses a spring plate. The negative terminal
connects to the chassis ground. The battery is mounted on the
rear side of the transceiver using a sliding mounting method.