NGT—Overview and specifications
Pinouts of the CIB connectors on the junction box
Figure 16: Front view of a CIB connector on the junction box
5
6
Table 13: Pinouts of the CIB connectors on the junction box
Pin no. Function
1
2
3
4
5
6
7
8
Pinouts of the speaker connector on the junction box
The speaker should be 4 Ω with a power rating of 5 W.
Table 14: Pinouts of the speaker connector on the junction box
Connection Function
Tip
Sleeve
50
4
3
8
2
1
7
Ground
System data
System data
Power on
+6 V standby
System audio +
System audio –
A rail protected (2 A)
Speaker audio output
Ground
Input/output
Signal level
0 V
Input/output
1 to 5 V logic
Input/output
1 to 5 V logic
Input
Momentary 0 V = PWR ON
Output
+6 V
Input/output
5 to 10 V sync and TDM
Input/output
0 to 5 V sync and TDM
Output
+13.6 V nominal
NGT Transceiver System Technical Service Manual