CPR Call Blocker Shield - Parallel Set Up; Parallel Connection Guide

If caller ID or intermittent ringing issues arise,
try the parallel setup method.
Unplug the Line Cable from the telephone.
Insert the Line Cable into the LINE port
of the Call Blocker.
Insert the short white cable provided via
the red coloured connection into the
LINE1 port, placing the other end into
telephone.
Check for a dial tone. A blue light on the
Call Blocker indicates it is set up correctly.