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IPEX
(IP Electronix)
PH232Ux2
:
User’s Manual
Page 24 of 27
Doc No. : PH232Ux2-UM-001
30 November 2013
11.
RS-232 Connecting methods
11.1)
Modem Connection (to a Modem, PH485i, or any other DCE devices)
Modem or other DCE devices
DB9-Female Pin Number
PH232Ex1 Port #1 as DTE
DB9-Male Pin Number
Pin 1: DCD
(Output)
Pin 1: DCD
(Input)
Pin 2: RxD
(Output)
Pin 2: RxD
(Input)
Pin 3: TxD
(Input)
Pin 3: TxD
(Output)
Pin 4: DTR
(Input)
Pin 4: DTR
(Output)
Pin 5: GND
(Ground)
Pin 5: GND
(Ground)
Pin 6: DSR
(Output)
Pin 6: DSR
(Input)
Pin 7: RTS
(Input)
Pin 7: RTS
(Output)
Pin 8: CTS
(Output)
Pin 8: CTS
(Input)
Pin 9: RI (Output)
Pin 9: RI (Input)
(Modem Cable)
