LLM1100 Long Line Modem
- Leased line
- Point-to-point or multipoint
- Data rate to 1200 Bps
- Ideal for water/wastewater SCADA systems
- Two or four wire operation
- Seamless interface with most PLCs, RTUs and PCs
- 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*
- 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 (dependent
upon wire size and line quality)
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The Data-Linc Group LLM1100 is a Bell 202 (CCITT V.23 optional)
1200 baud modem. It can be easily configured for simplex (bit
mode), half-duplex and full duplex operation. The LLM1100 is
designed to be used on private, leased non-switched telephone
lines or any dedicated two-conductor wire (twisted or untwisted,
shielded or unshielded).
The LLM1100 is microprocessor-based— when the carrier
shuts off, data bit errors are eliminated. This reduces retransmissions
for trouble-free PLC communications. The LLM1100 also incorporates
a unique data sense carrier control feature that eliminates
the need for RTS/CTS control on multi-point Remotes.
The LLM1100 easily interfaces with most PLCs, RTUs and PCs.
The LLM1100 supports RS232 interface.
The LLM1100 has a range of 20 miles (32 km) on any ordinary
wire pair or unlimited on loaded telephone company voice grade
(VG-6) leased lines or equivalent. (dependent upon wire size
and line quality).
Industrial Applications
The LLM1100 is ideal for systems that require:
- Extended communications over private or leased telephone
lines
- Compatibility with Bell 202 or CCITT V.23 modems
LLM1100
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