NGT—Overview and specifications
NGT Transceiver System Technical Service Manual 45
Pinouts of the 10-way connector on the RF unit (2011/2012 only)
Figure 9: Front view of the 10-way connector on the RF unit (2011/2012 only)
Table 8: Pinouts of the 10-way connector on the RF unit (2011/2012 only)
Pin no. Function Input/output Signal level
1 Speaker audio + Output Approx. 12 V p–p at onset of
clipping
2 Speaker audio – Output 0 V
3 Microphone audio + Input Nominally 500 mV p–p to
ground with normal speech
4 Microphone audio – Input Nominally 500 mV p–p to
ground with normal speech
5 Handset data + Input/output 1 to 5 V logic
6 Handset data – Input/output 1 to 5 V logic
7 Power on Input Momentary 0 V = PWR ON
8 Standby power for handset Output +5 V standby power, or
+9 V handset power
9 A rail protected (1 A
nominal)
Output +13.6 V nominal
10 Ground 0 V
123
4567
8910