User manual

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