The ALGO 8301 overhead pager comes pre-programmed for your number. To install the device,
1. Connect the ALGO’s ethernet port to the POE LAN switch
2.Connect the small green terminal clip that it came with. Then, screw down a speaker wire from pins 3 and 4 to the amplifier input. Pins 3 and 4 are basically a speaker wire sending the audio out that line out interface again pin 3 and 4/ - + audio terminals. There is no need to pay any attention to what pin is negative vs. positive; since it’s only a single connection to the amp, the polarity won’t matter.