Kenwood NX-3000 series User Manual

Also see for NX-3000 series: User guide User manual User guide User manual User guide

Contents

12terMinaL DesCriPtionsuniversal connector (nX-3200/ nX-3300)It is possible to use a resin-based cover for the Universal connector.Pin no. name Description Specification I/o1 SSW Ext/ Int Speaker Switch Input Hi: INT, Low: EXT I2 SP+ BTL Output + for ExternalSpeaker Standard load 8 Ω O3 SP- BTL Output – for ExternalSpeaker Standard load 8 Ω O4 MSW Ext/ Int MIC Switch Input Hi: INT, Low: EXT I5 EMC External MIC Input Impedance: 2.2 kΩ I6 ME External MIC GND -7 PTT External PTT Input Low: PTT ON I8 PF Programmable FunctionButton Input Input voltage: 0 V - 5.0 V I9 OPT Aux I/O Port (for EXT Option) I: 0 V - 5.0 VO: Standard load 25 kΩ I/O10 E GND GND11 5V 5 V 5 V power supply outputMax output current: 140 mA O12 TXD Serial Data Output Baud rate: 1.152 Mbps max O13 RXD Serial Data Input Baud rate: 1.152 Mbps max I14 EMC External MIC input Impedance: 2.2 kΩ ISpeaker/ Microphone Jacks (nX-3220/ nX-3320)It is possible to use a resin-based cover for the Speaker/ Microphone jacks.Pin no. name Description Impedance I/o1 PTT/RXD PTT input / Serial data input 2.7 kΩ I2 MICI MIC input 2.2 kΩ I3 NC No connection − −4 OPTDET Option Detect 74 kΩ I5 50J 5V output − O6 AE Audio Earth GND −7 TXD Serial data output 10 kΩ O8 EXTSPDET External speaker detection − −9 SPO AF power output − Oantenna Terminal50 Ω impedance