Polycom VVX EM 50 User manual

Polycom® VVX® EM 50
Expansion Module Installation Guide
This guide provides instructions on how to assemble and connect Polycom® VVX® EM 50 Expansion
Modules to Polycom VVX 450 business IP phones. A VVX 450 phone can be fitted with up to 2 VVX EM
50 modules.
Note: The VVX EM 50 Expansion Module is only supported on VVX 450 phones, running UC Software
5.8.2 or later.
Connect an Expansion Module to a Phone
Note: It is recommended that the expansion module be configured in the Star2Star portal by an
Administrator prior to installation. (Expansion Module Portal Configuration Guide)
Before connecting an expansion module to a phone, power-down the phone by unplugging the
Internet connection and/or power supply. Remove the stand from the phone, if necessary.
1. Insert the USB plug of the expansion module into the USB port on the side of the host phone.
2. Place the phone and the expansion module upside down on a soft surface.
3. Insert the supplied screw into the bracket screw hole and, using a screwdriver, secure the
expansion module to the phone, as shown.
August 2019
Copyright © 2019, Star2Star Communications®, LLC. All rights reserved. Star2Star is a registered trademark of Star2Star
Communications, LLC. All logos and company names are trademarks or service marks of their respective companies.

Expansion Module - Installation Guide
Connect Additional Expansion Modules
Before connecting an expansion module to a phone, power-down the phone by unplugging the
Internet connection and/or power supply. Remove the stand from the phone, if necessary.
1. Place the phone, with the connected expansion module, upside down on a soft surface.
2. Remove the connecting screw from the left side of the first connected module.
3. Insert the USB plug on the second expansion module into the USB port of the first connected
expansion module.
4. Using the screw you removed from the first expansion module, use a screwdriver and the screw
to secure the second expansion module to the first, as shown.
5. Attach the stand or wall mount to the expansion model.
6. Power-up the phone by connecting the Internet connection and/or power supply. Power and
signalling automatically transfer from the host phone to the expansion modules.
Configure Lines for Expansion Modules
To configure the expansion module lines in the portal, refer to the Speed Dials Portal Configuration
Guide.
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