Codan NGT 2010 RF Technical & Service Manual page 647

NRI—Overview and specifications
Pin connections
Figure 2: Rear panel of the NRI
modem
earth point
Pinouts of the Modem connector on the NRI
The Modem connector is an RS232 9-way male, D-type plug. It provides the interface
between the NRI and the line modem.
Figure 3: Front view of the Modem connector on the NRI
1
6
Table 1: Pinouts of the Modem connector on the NRI
Pin no. Function
1
2
3
4
5
6
7
8
9
254
test
5
9
Carrier detect
Receive data
Transmit data
Data terminal ready
Signal ground
Data set ready
Request to send
Clear to send
Ring indicator
CIB
Input/output Signal level
Input RS232
Input RS232
Output RS232
Output RS232
0 V
Input RS232
Output RS232
Input RS232
Input RS232
NGT Transceiver System Technical Service Manual
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