Codan NGT 2010 RF - Figure 7: Front view of the Option 4-wire connector on the 8571; Table 5: Pinouts of the Option 4-wire connector on the 8571 (15-10510-001)

8571—Overview and specifications
328 NGT Transceiver System Technical Service Manual
Figure 7: Front view of the Option 4-wire connector on the 8571
Table 5: Pinouts of the Option 4-wire connector on the 8571 (15-10510-001)
Pin no. Function Input/output Signal level
1–2 Balanced Tx audio Input Impedance > 3 kΩ
3–4 Balanced Rx audio Output Impedance 600 Ω
5Frame
6 Ground 0 V
7–8 PTT relay contacts Output To key link transmitter
1
2
3
4
5
6
7
8