21
DB9 to 8-Pin Modular Adapter Pin Assignments
To connect the COM port to the DB9 serial port of a PC, use an adapter wired as
shown:
Table 4. 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
GN
D
GND Ground
5
6
Data Terminal Ready DTR
CTS
Clear to Send
8
Pins not shown are unused.
Содержание ETHX-DS3-1-LT
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