Codan NGT 2010 RF Technical & Service Manual page 648

Pinouts of the Test connector on the NRI
The Test connector is a 25-way male, D-type plug. It provides the interface between the
NRI and test equipment. The connector is for Codan's test purposes only.
Figure 4: Front view of the Test connector on the NRI
1
14
Table 2: Pinouts of the Test connector on the NRI
Pin no. Function
1–6
7
8–11
12
13
14
15
16
17
18
19–22 Unassigned
23
24, 25 Unassigned
NGT Transceiver System Technical Service Manual
Unassigned
Signal ground
Unassigned
12 V
Unassigned
Transmit data
N/C
Receive data
N/C
N/C
Signal ground
NRI—Overview and specifications
13
25
Input/output Signal level
0 V
Output 12 V (nominal)
Output RS232
Input RS232
0 V
255