Marc model 166-100 -18 – Rockwell Automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM User Manual
Page 284
Publication AG-UM008C-EN-P - February 2005
8-18 Configuring Modems
Table 8.16 Model 148-001 Full-Duplex Switch Settings
Table 8.17 Model 148-001 Half-Duplex Switch Settings
MARC Model 166-100
Model 166-100 Bell and CCITT compatible is a dial-up telephone
modem that fits into one slot of the Allen-Bradley 1746 chassis.
To connect an Allen-Bradley SLC processor to this module, follow
these specifications for:
•
cable pin assignments
•
switch settings
ATTENTION
Switch settings shown here are for modems using
RJ11 plugs on 4-wire lines. If you are using 2-wire
lines, consult the MARC user manual.
Switch Assembly
1
2
3
4
5
6
7
8
1 Operating Mode, Port 1
off
on
on
off
on
xxx
xxx
xxx
2 Transmit Level, Port 1
off
on
off
off
off
off
off
off
3 Operating Mode, Port 2
off
on
on
off
on
xxx
xxx
xxx
4 Transmit Level, Port 2
off
on
off
off
off
off
off
off
Switch Assembly
1
2
3
4
5
6
7
8
1 Operating Mode, Port 1
on
on
on
off
on
xxx
xxx
xxx
2 Transmit Level, Port 1
off
on
off
off
off
off
off
off
3 Operating Mode, Port 2
on
on
on
off
on
xxx
xxx
xxx
4 Transmit Level, Port 2
off
on
off
off
off
off
off
off
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