MPI-2 Global Rack Unit User Manual.pdf

# MPI-2 Global Rack Unit User Manual

## Overview
The MPI-2 Global Rack Unit is Lencore's auxiliary page interface designed for iNET systems, enabling a global all-call page to every building equipped with a Global MPI-2. Paging can be initiated via any telephone on the network or a microphone. It works in conjunction with the Local MPI-2 and is intended for installation in a standard 19" rack.

## Features and Capabilities
- Front Panel LEDs: Indicate various functions and activity of the unit.
- Analog Phone Input: Accepts an analog phone line input (RJ11).
- Built-in Speaker: For testing and troubleshooting.
- Adjustable Paging Input Signal Level: Using a single-turn pot.
- Local MPI Connection: Allows connection to a Local MPI.

## Inputs
- Power input
- Analog phone line input (RJ11)
- Ground 2-pos terminal block (screw terminals)
- Microphone inputs (individual wires and RCA)

## Outputs
- Local MPI (RJ45)
- Activity LED: Blinks for receiving/transmitting data.
- Status LED: Blinks every 8 seconds, solid during paging or IR remote button press.
- Page On LED: Solid during an active page.
- Audio Input Level LEDs: Yellow = low/no input; Blue = good level; Red = too high.

## LEDs
- Power LED: Indicates power.
- Activity LEDs: Show LON activity.
- Status/Page On LEDs: Flashes to indicate operation, solid during paging.
- Audio Level LEDs: Indicate audio input level for paging.