Kenwood NX-300S Service Manual
Also see for NEXEDGE NX-300: BrochureInstruction manualInstruction manualInstruction manualInstruction manual
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NX-300(S)61TERMINAL FUNCTIONPin No. Name Device I/O Connection Function18 OPT11ANI board O Man-Down Man-Down outputVGS-1 - - -Scrambler board O -User programmable portNone: Hi-Z with Pull up[COR] L: Detect carrier[TOR] L: Detect signaling[LOK](Conventional) L: Transmitting[LOK](LTR) L: Link19 OPT7ANI board I MIC Mute MIC mute signal inputVGS-1 - - -Scrambler board OIPTT OutPTT InEcho PTT no used: PTT signal outputEcho PTT used : PTT signal input20 OPT2ANI board I Aux Output Emergency signal inputVGS-1 - - -Scrambler board O CLEAR / CODE Scrambler control signal outputH: Clear / L: Code21 TXOANI board - - -VGS-1 - - -Scrambler board O TX IN MIC signal outputBefore Pre-emphasis22 RXEOANI board - - -VGS-1 - - -Scrambler board O RX IN Audio signal outputAfter De-emphasis23 RXEIANI board - - -VGS-1 - - -Scrambler board I RX OUT Audio signal inputAfter De-emphasis24 TXIANI board - - -VGS-1 - - -Scrambler board I TX OUT MIC signal inputBefore Pre-emphasis25 OPT6ANI board - - -VGS-1 - - -Scrambler board - - -26 POWANI board O A+ Switched B outputVGS-1 - - Note: POW and 5V can not be used simultaneously.Scrambler board O POWER (+B) Power supply output |
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