User manual

Publication AG-UM008C-EN-P - February 2005
Configuring Modems 8-11
dial-up device. The DLM4100-PLC is a 1746 form factor rack mounted
industrial use modem that communicates with the Allen-Bradley PLC-5
as a dial-up device. Both models are externally powered, capable of
communication at speeds up to 28.8K baud, and respond to standard
AT commands.
To connect the DLM4100-SLC to a PLC-5 use the DATA-LINC
communication cable C232/DLM41/SLC5/CH 0, CABLE ASSEMBLY
DLM4100 TO A-B SLC-500. Refer to Table
8.23 on page 8-26 for cable
pinout details.
To connect the DLM4100-PLC to a PLC-5 use the DATA-LINC
communication cable C232/DLM41/SLC5/CH 0, CABLE ASSEMBLY
DLM4100 TO A-B PLC-5.
See Table 8.24 on page 8-27 for cable pinout
details.
Miille Applied Research
Company, Inc. (MARC)
MARC, Inc. supplies telephone modems compatible with
Allen-Bradley PLC-5 processors and SLC processors. The modems
provide long-distance communication over leased telephone lines or
standard dial-up lines.
Follow these guidelines for connecting an Allen-Bradley PLC-5 or SLC
processor to these models of MARC telephone modems. Use the table
below to choose the appropriate model for your application.
Link
Type
Transmission Rate Topology Modem Model See page
leased-
line
1200 (2- or 4- wire) point-to-multipoint 166-101
(1746 rack mount)
8-12
300 (2-wire),
1200 (4-wire)
point-to-point
leased-
line
1200 (2- or 4- wire) point-to-multipoint 137-001
(1771 rack mount)
8-14
300 (2-wire),
1200 (4-wire)
point-to-point
leased-
line
1200 (2- or 4-wire) point-to-multipoint 148-001
(1771 rack mount)
8-16
300 (2-wire),
1200 4-wire)
point-to-point
dial-up 2400 point-to-point 166-100
(1746 rack mount)
8-18
dial-up 2400 point-to-point 166-010
(1771 rack mount)
8-20
14,400 166-010-144
(1771 rack mount)
28,800 166-010-288
(1771 rack mount)