Thank You!

Thank you for selecting the APC MasterSwitch VM (vertical-mount) power distribution unit (PDU). It has been designed for many years of reliable, maintenance-free service. APC is dedicated to the development of high- performance electrical power conversion and control products. We hope that you will find this product a valuable, convenient addition to your system.

Please read this manual! It provides important safety, installation, and operating instructions that will help you get the most from your MasterSwitch VM unit.

Additional Documentation

This Installation and Quick Start Manual and the online User Guide are available on the supplied CD or on our Web site: http://www.apcc.com/. The online User Guide contains additional information about the following topics related to MasterSwitch VM:

detailed product description

current sensing capabilities

management interfaces

user accounts

customizing setup

outlet control actions

security

obtaining customer service

product information (LEDs, warranty, life-support policy, specifications)

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American Power Conversion AP9221X166, AP9221EXPX166 quick start manual Thank You, Additional Documentation