Pin connections
Figure 2: Rear panel of the 3012
Pinouts of the Terminal connector on the 3012
The Terminal connector is a 9-pin D-type socket used to connect the data modem to a
data terminal or PC.
Figure 3: Front view of the Terminal connector on the 3012
1
6
Table 1: Pinouts for the Terminal connector on the 3012
Pin no. Function
1
2
3
4
5
6
7
8
9
NGT Transceiver System Technical Service Manual
5
9
N/C
RxD
TxD
CD
GND
Reset
RTS
CTS
N/C
3012—Overview and specifications
Input/output
Signal description
Input
Receive serial data
Output
Transmit serial data
Output
Carrier detect
Signal ground connected to
case
Input
Modem reset
Output
Request to send (flow
control)
Input
Clear to send (flow control)
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