Paradyne 24-Port SHDSL Mini DSLAM SMD2000-24T - Manual (Page 25)

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DB9 to 8-Pin Modular Adapter Pinouts
To connect the COM port to the DB9 serial port of a PC, use an adapter wired as shown:
Pins not shown are unused.
Table 13. DB9 to 8-Pin Modular Adapter Pinouts
Pin 8-Pin Modular Port Direction PC RS232 Serial Port Pin
1 Transmit Data TxD
→
RxD Receive Data 2
2 Data Set Ready DSR
←
RTS Request to Send 7
4 Receive Data RxD
←
TxD Transmit Data 3
5 Ground GND
↔
GND Ground 5
6 Data Terminal Ready DTR
→
CTS Clear to Send 8