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Wire Modems:
Leased Line

Leased Line Bell 202 Modem
Data sheet
LLM1100

Dial-up/ Leased Line Modem
Extended Temperature
Data sheet
DLM4500

Dial-up/ Leased Line Modem
Data sheet
DLM4000

Applications

LLM FAQ

DLM FAQ


See also Technical Services:

Dial-up/Leased-line Engineering Specifications


Leased Line Wire Modems

For industrial data communication applications over dial-up, leased line, private line, non-switched private wire (spare pair) or any dedicated wire

Leased Lines are permanent connections provided by the telephone company between sites. The most common type are analog (also known as "voice-grade") lines that are guaranteed to operate at speeds to 19.2 kbps. Digital lines that offer higher speeds are also available but, typically, at higher costs. Leased lines are offered either as point-to-point links between two sites or as multi-point links, where one master site communicates with up to 16 remote sites. Leased Line costs include initial installation and a fixed monthly fee.


LLM1100 Leased Line, Bell 202/CCITT V.23 1200 Baud Modem .

LLM1100 Bell 202/CCITT V.23 Data-Linc 1200 Baud Modem .

  • Long-range data communication via frequency shift key (FSK) simplex, half and full-duplex modem
  • Ideal for non-switched private wire (spare pair) or leased telephone lines or any dedicated wire pair*
  • Two or four wire operation
  • Seamless interface with most PLCs, RTUs and PCs
  • Easily Field configured or factory pre-configured for your application
  • Transmits up to 20 miles (32 km) on unloaded lines or unlimited transmission on loaded lines

Read more...


DLM4500 Dial-up/Leased Line Wire Modem

DLM4500 Dial-up/Leased Line Extended Temperature Wire Modem

  • Ideal for industrial dial-up, leased line, private line or dedicated wire applications
  • Extended temperature range
  • Optional auto-dial module for alarm conditions or emergency calls just by sensing a logic flag from the remote PLC
  • Versatile, reliable and durable— designed especially for industrial applications
  • Easily interfaces with most PLCs, RTUs and PCs
  • Factory or field configured foryour application— ensuring trouble-free installation
  • Easily interfaces with most PLCs, RTUs and PCs

Read more...

See Products > Product Selection Guide > DLM4500

See also Technical Services > Engineering Specifications > DLM4500-LL lease line modem


DLM4000 Dial-up/Leased Line Wire Modem

DLM4000 Dial-up/Leased Line Wire Modem

  • Ideal for industrial dial-up, leased line, private line or dedicated wire applications
  • Versatile, reliable, compact and durable
  • Designed for industrial communication between a PLC and a PC and/or PLC to PLC and other devices
  • Optional auto-dial module for alarm conditions or emergency calls just by sensing a logic flag from the remote PLC
  • Factory pre-configured for trouble-free installation
  • Easily interfaces with PLCs, RTUs and PCs

Read more...

See also Dial-up modems

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