NRI—Overview and specifications
256 NGT Transceiver System Technical Service Manual
Pinouts of the CIB connectors on the NRI
The NRI has two CIB connectors. The CIB connectors are 8-way NANA plugs. They
provide the interface between the NRI and the RF unit, junction box or ancillary
equipment, such as a remote control junction box.
Figure 5: Front view of a CIB connector on the NRI
Table 3: Pinouts of a CIB connector on the NRI
Pin no. Function Input/output Signal level
1 Signal ground 0 V
2 CAN high Input/output 1 to 5 V logic
3 CAN low Input/output 1 to 5 V logic
4 Power on request Output Momentary 0 V = PWR ON
5 Standby power Output 6 V
6 System audio + Input/output 5 to 10 V sync and TDM
audio
7 System audio – Input/output 0 to 5 V sync and TDM audio
8 A rail Input 13.6 V (nominal)
1
2
3
4
5
6
7
8
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