Codan NGT 2010 RF Technical & Service Manual page 765

Pinouts of the Line connectors on the 8571
The Line connectors may be fitted with either Option 2W or Option 4W.
Figure 6: Front view of the Option 2-wire connector on the 8571
Table 4: Pinouts of the Option 2-wire connector on the 8571 (15-10509-001)
Pin no. Function
1
2
3
4
5
6
In Australia, the 2-wire interface is supplied with a Telstra type 604 plug wired for
modes 12 or 14 (2-wire circuit on pins 4 and 6).
Outside of Australia, the 2-wire interface is supplied with a modular telephone plug
(conforming to FCC part 68), and a suitable wall-mounted socket. The 2-wire circuit is
connected to pins 2 and 5.
NGT Transceiver System Technical Service Manual
2 5
N/C
Telephone line
N/C
N/C
Telephone line
N/C
8571—Overview and specifications
327