- Viking Electronics long loop adapter - Provides 4 long line and off premise extension (OPX) capabilities for PABX and KSU analog stations ISDN terminal adapters channel banks etc. - Converts any four low talk battery boltage or weak ringing analog line into a standard 48V line with powerful 20Hz sine wave ring signal - Compatible with pulse dialing touch tone dialing hook switch flash features CPC signaling and Caller ID features - Ground screw terminal allows for improved surge protection and as an earth ground reference for the regenerated lines - Easy to install requires no programming - Convert four analog KSU/PABX stations to standard voltage OPX - Provides 48 VDC talk battery - Provides 20 HZ 10 REN sine wave ringing - Passes Caller ID information - Passes hook switch flash DTMF and pulse dialing compatible - Passes CPC signals - Electrically isolates PABX station from extended loop - Provides additional lightning and surge protection - Selectable ring protocols