Codan NGT 2012 RF - Pinouts of the Option I;O connector on the 8571; Pinouts of the Tcvr Audio connector on the 8571; Figure 4: Front view of the Tcvr Audio connector on the 8571; Table 2: Pinouts of the Tcvr Audio connector on the 8571

8571—Overview and specifications
NGT Transceiver System Technical Service Manual 325
Pinouts of the Option I/O connector on the 8571
This connector is not used.
Pinouts of the Tcvr Audio connector on the 8571
Figure 4: Front view of the Tcvr Audio connector on the 8571
Table 2: Pinouts of the Tcvr Audio connector on the 8571
Pin no. Function Input/output Signal level
1N/C
2 Remote PTT Output Active Low
3N/C
4 Power on Output Momentary Low
5–13 N/C
14–15 Ground 0 V
16 Transmit audio Output Nom. 3 V p–p 10 kΩ
balanced
17 Rx audio pre-mute Input Nom. 1.2 V p–p 10 kΩ
balanced
18 Rx audio post-mute Input Nom. 1.2 V p–p 10 kΩ
balanced
19–25 N/C
1
25