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IPEX
(IP Electronix)
PH232Ux2
:
User’s Manual
Page 26 of 27
Doc No. : PH232Ux2-UM-001
30 November 2013
11.3)
Simple Null Modem Connection (to PC, PLC, A-380, PH232Ex1, PH232Ex2 …
Without Hardware Handshaking)
PC,PLC or other DTE devices
DB9-Male Pin Number
PH232Ex1 Port #1 as DTE
DB9-Male Pin Number
Pin 3: TxD
(Output)
Pin 2: RxD
(Input)
Pin 2: RxD
(Input)
Pin 3: TxD
(Output)
Pin 5: GND
(Ground)
Pin 5: GND
(Ground)
(Simple Null Modem Cable (Without Hardware Handshaking))