Specifications
22
Connector Pin Assignments
Ethernet Pin Assignments
Table 4. Ethernet Pin Assignments
Pin Function
Pin 1 Rx+
Pin 2 Rx–
Pin 3 Tx+
Pin 4 not used
Pin 5 not used
Pin 6 Tx–
Pin 7 not used
Pin 8 not used
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 5. 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
Note: Pins not shown are unused.