IB IL 24 MUX MA-PAC
72
PHOENIX CONTACT
5981_en_06
A 3
Transmission over telephone line (modem)
This section describes the configuration of an Inline field multiplexer station with a telephone
line path using the RS-232/RS-485 converters PSM-ME-RS232/RS485-P and PSI-DATA/
FAX-MODEM/RS232 modems.
Figure A-3
Basic circuit diagram: Transmission over telephone line
Key:
A 3.1
Devices and software for the field multiplexer station
5981B036
PSTN
MODEM
MODEM
TxD
RxD
GND
TxD
RxD
GND
MUX 1
RS-485
DATA
GND
DATA
SHD
DATA
D(B)
GND
SHD
D(A)
CONVERTER
A
RS-485
D(B)
GND
SHD
D(A)
CONVERTER
A
MUX 2
DATA
GND
DATA
SHD
DATA
GND
TxD
RxD
CTS
RS-232
GND
TxD
RxD
CTS
RS-232
MUX
IB IL 24 MUX MA-PAC
A
Adapter cable
CONVERTER
RS232/RS485 converter: PSM-ME-RS232/RS485-P
MODEM
Modem: PSI-DATA/FAX-MODEM/RS232
PSTN
2-wire telephone line (Public Switched Telephone Network)
A detailed wiring examples is shown in Figure A-4 on page 78.
Table A-6
Devices and software that can be used
Description
Type
Order No.
Number
Field multiplexer
IB IL 24 MUX MA-PAC
2861205
2
Modem
PSI-DATA/FAX-MODEM/RS232
2708203
2
RS232/RS485 converter
PSM-ME-RS232/RS485-P
2744416
2
D-SUB male connector, 9-pos.
SUBCON 9/F-SH
2761499
4
Software for modem
PSI-MODEM-CONF V3.0 or later (software on CD)
1
Summary of Contents for 2861205
Page 1: ...User manual Configuring and installing the Inline field multiplexer...
Page 6: ...IB IL 24 MUX MA PAC 6 PHOENIX CONTACT 5981_en_06...
Page 26: ...IB IL 24 MUX MA PAC 26 PHOENIX CONTACT 5981_en_06...
Page 64: ...IB IL 24 MUX MA PAC 64 PHOENIX CONTACT 5981_en_06...
Page 86: ...IB IL 24 MUX MA PAC 86 PHOENIX CONTACT 5981_en_06...