9
Getting Started Guide for the Catalyst Express 520 Switches
78-18063-02
Cisco Smart Business Communications System
Cisco Smart Business Communications System
The Catalyst Express 520 switches are the recommended companion switches to 
the Cisco Unified Communications 500 Series. These devices are part of the 
Cisco Smart Business Communications System solution (Figure 1).
The Cisco Smart Business Communications System is a unified communications 
solution for small businesses that provides voice, data, video, security, and 
wireless capabilities while integrating with existing desktop applications like 
calendar, e-mail, and Customer Relationship Management (CRM). 
Figure 1 Cisco Smart Business Communications System Solution
Obtaining Documentation, Obtaining Support, and 
Security Guidelines
For information on obtaining documentation, obtaining support, providing 
documentation feedback, security guidelines, and also recommended aliases and 
general Cisco documents, see the monthly What’s New in Cisco Product 
Documentation, which also lists all new and revised Cisco technical 
documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
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Cisco 521
Wireless Express
Access Points
Catalyst Express 520 Switch
Cisco 526 Wireless Express
Mobility Contoller
Fax
Cisco
Monitor
Director
Partner
Site
Teleworker
Site
Cisco 870 Series
Router
DSL/Cable
Modem
Internet
Cisco Unified
Communications 500 Series
Cisco
Configuration
Assistant/
Cisco Monitor
Manager
PSTN