Program Module Unit - Vodavi STARPLUS Triad XTS Installation Manual

Main Processing Board Installation
Paging (MPB2 only)
Music on Hold
(MPB2 only)
Port 5
(MPB2 only)
Port 1
LEDs
Database
Default Switch
Reset Button
Ethernet Jack
(MPB2 only -
Future Use)

Program Module Unit

The Program Module Unit (PMU) is installed on the MPB and contains the software used by
the system to control features and their function. Install the PMU before installing the MPB.
Figure 3-10: MPB, PMU, and MODU Configuration
Chapter 3 - System Installation
MODU
Port 2
PMU
3-17