Does anyone know the maximum cable distace for Partner digital phones and Analog phones? This is for a release 7 system. Will IROBs increase the distace? How much?
Well I can't tell you how far your partner phone will go. Someone else may know. How far away are you going to want to run a partner phone? I do know that you can run analog telephones at remote locations with 122A off-premises range extenders (OPRE). You'll need off-premises circuits from the local CO in your area for this to work. As far as IROB's go, they do not extend distance. The purpose of an IROB(In Range out Of Building) is for surge protection. You will need one on each end of the cabling between buildings.
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