Viking LLA-4 Four Channel Long Loop Adapter - 4 Line VersionThe Viking LLA 4 Four Channel Long Loop Adapter provides four long line and off premise extension (OPX) capabilities for PABX and KSU analog stations, ISDN terminal adapters, channel banks, etc. The long loop adapter converts any four low talk battery voltage or weak ringing analog line into a standard 48V line with powerful 20HZ sine wave ring signal. Viking LLA 4 Features: Convert four analog KSU PABX stations to a standard voltage OPX Provides 48

SPDT Relay Contact Ratings: 5A @ 30VDC / 5A @ 250VAC

28V DC talk battery

Mounts to a standard single gang box

Reshapes troublesome square wave ringing

Audio monitoring for security purposes

Office buildings

and gel-filled butt connectors

Home based call center personnel

Door or gate communication

Cycles through backup emergency and non emergency numbers on busy or no answer

Forward calls to voice mail or dictation equipment

unused phone system trunk input (FXO)