Polycom VVX 150 Manual page 192

VVX EM 50 Expansion Module Hardware Features
The following features are available on the VVX EM 50 expansion module:
•
480 x 800 pixel, color LCD display
•
30 line keys and three display pages, which support a total of 90 lines that you can set up with
registrations, favorites, or presence contacts.
•
Support for up to two expansion modules connected to a VVX 450 business IP phone to support
an additional 180 line keys per phone.
The following figure illustrates the features, components, and keys available on the VVX EM 50
expansion module. The table lists each numbered feature shown below.
Figure 1. VVX EM 50 Hardware Features
Table 1. VVX EM 50 Hardware Description
Reference
Feature
Number
Printed from Polycom, Inc. (http://documents.polycom.com)
1 Line keys
Feature Description
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Selects available line key contacts, functions,
and assignments.