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VHF DIGITAL TRANSCEIVER
NX-210
INSTRUCTION MANUAL
ENGLISH
Terminal Descriptions
Universal connector
It is possible to use a resin-based cover for the Universal connector.
NO. Name
Description
Impedance I/O
1 SSW Ext/Int Speaker Switch Input High Impedance I
2 SP+ BTL Output + for External Speaker
8 Ω/ 16 Ω
O
3 SP- BTL Output - for External Speaker O
4 MSW Ext/Int MIC Switch Input High Impedance I
5 EMC External MIC Input 1.8 kΩ
I
6 ME External MIC GND
GND -
7 PTT
External PTT Input High Impedance I
8 PF Programable Function Key Input High Impedance I
9 OPT Man Down Input High Impedance I
10 E GND GND -
11 5V 5V power supply output 5V O
12 TXD Serial Data Output CMOS O
13 RXD Serial Data Input CMOS I
14 NC Not used - -
Antenna Terminal
50 Ω 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.