Chapter 2 - PCB Installation and StartupChapter 2 2 - 552.7.1.2 Connector Pin-Outs on COIU PCB2.7.1.3 Installing the Analog Trunk PCB:1. Install the COIU into any available slot.● Use Program 14-02-14 to set the trunks as loop or ground start. Loop and ground startscan be combined on one PCB.RJ61 Cable Connector - CN2, TrunksThe CN2 connector is polarity sensitive (tip to tip, ring to ring).Pin No. Connection1 Circuit 4 - Tip2 Circuit 3 - Tip3 Circuit 2 - Tip4 Circuit 1 - Ring5 Circuit 1 - Tip6 Circuit 2 - Ring7 Circuit 3 - Ring8 Circuit 4 - RingRJ61 Cable Connector - CN3, SLT Interface for Power FailurePin No. Connection1 -2 -3 Circuit 2 - Tip4 Circuit 1 - Ring5 Circuit 1 - Tip6 Circuit 2 - Ring7 -8 -1234567812345678● If the 4/8SLIDB is to be used, install this prior to inserting the 8SLIU PCB intothe KSU.
