Chapter 1
Introduction
4
Backup PSU Installation Guide
PSU Module
The PSU Module provides power via the backplane of the Collage 740 or the Backup PSU.
You can install a maximum of one PSU Module into the Collage 740, and a maximum of two
PSU Modules into the Backup PSU. No external connectors are required. You can order a PSU
Module by quoting part number 57-77.
The front panel of the PSU Module has an LED labelled ‘Power’ that indicates the status of the
PSU Module.
Figure 1.3
PSU Module
