Etherseries DNP- 3 Gateway User’s Guide
RS-232 PIN Assignments
The EtherSeries RS-232 port wiring is identical to a standard
PC 9 pin DE-9P COM: port. It operates as a DTE device. The
chart below details signal directions and names.
Serial Port Pin Assignments
Pin
Signal Name
Type
1
Carrier Detect (CD)
In
2
Receive (Rx)
In
3
Transmit (Tx)
Out
4
Data Terminal Ready
Out
5
Signal Ground (GND)
Power
6
Data Set Ready (DSR)
In
7
Request to Send (RTS)
Out
8
Clear to Send (CTS)
In
9
Ring Indicator (RI)
(Not used)
In
52
Summary of Contents for EtherSeries EDNP-3
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