Cisco Unified Communications 500 Series: 8- and 16-User Configuration

Cisco Unified Communications 500 Series for Small Business:

The Cisco Smart Business Communications System (SBCS) enables businesses to enhance how they reach, serve, and retain customers. It is an affordable system that gives your staff anytime, anywhere access to business information and applications, making it easier than ever to communicate with customers and each other.

Product Overview

Cisco Unified Communications 500 Series for Small Business, a critical part of the Cisco Smart Business Communications System, is an affordable appliance that provides voice, data, voicemail, Automated Attendant, video, security, and wireless capabilities while integrating with existing desktop applications such as calendar, e-mail, and customer relationship management (CRM) programs. This easy-to-manage platform supports up to 50 (with expansion capabilities to allow up to 64 phones and voicemail boxes) users and flexible deployment options based on your needs-a wide array of IP phones, public switched telephone network (PSTN) interfaces, and Internet connectivity.

Components of the Cisco Unified Communications 500 Series include:

• Cisco Unified Communications Manager Express for call processing of Cisco Unified IP phones, providing a phone system rich in features
• Cisco Unity® Express for voice messaging and Automated Attendant, to help improve communication among employees and with customers
• An integrated 8-port Power over Ethernet (PoE) local-area network (LAN) switch
• Network security functions including Cisco IOS® Firewall, which protects the wide-area network (WAN) entry point into your network, and virtual private network (VPN), which gives up to 10 remote users highly secure access to your network
• Optional integrated wireless LAN (WLAN) capability on some models or external access points and Cisco Wireless LAN Controller Modules, to enable mobile networking, which can help increase employee flexibility and productivity
• Cisco Configuration Assistant so you can easily configure devices and technologies including unified communications (phones and software), switching, routing, security, and wireless
• Optional remote system-monitoring capabilities

Cisco Unified Communications 500 Series also supports (sold separately):

• Cisco Unified IP Phones and Cisco Small Business Pro IP Phones, including wireless handsets and Session Initiation Protocol (SIP) phones
• Cisco Unified CallConnectors for integration with Windows PC applications including Microsoft Outlook, Internet Explorer, Microsoft Dynamics CRM, or Salesforce.com CRM
• An ability to expand switching capabilities through a connection to Cisco Catalyst® Express 520 Series Switches, which provide an additional 8 to 24 ports

Cisco Unified IP Phones:

As a key component of the Cisco Unified Communications 500 Series, Cisco Unified IP Phones and communications devices are designed to take full advantage of converged voice and data networks. These devices offer the convenience and user friendliness found in business phones, and can help improve productivity by meeting the needs of different users throughout your organization.

The Cisco Unified IP Phone portfolio provides the following:

• IP phones with LCD displays, including dynamic soft keys for call features and functions
• Support for information services, including Extensible Markup Language (XML) capabilities to extend IP phone systems, giving you access to a variety of information, such as stock quotes, employee directories, and Web-based content

Cisco Unified IP Phones provide a complete IP phone system portfolio with ease of use, excellent audio quality, increased accessibility for people with disabilities, ergonomic physical design, and advanced services and features.

The Cisco Unified IP Phone portfolio includes options for use from wherever you are: the company lobby, the manufacturing floor, the executive suite, at home, on the road, or in a branch office.

Cisco Unified IP Phone Portfolio

Cisco Unified IP Phones 500 Series

The Cisco Unified IP Phones 521G, 521SG, 524G, and 524SG (Figure 5) are a set of entry-level IP phones that provide key system type functionality, built specifically for use with Cisco's Unified Communications 500 Series platforms. These phones can be used to handle low to moderate telephone traffic. The Cisco Unified IP Phone 521G and 521SG are single-line IP phones with two call line appearances. The Cisco Unified IP Phone 524G and 524SG are four-line IP phones with eight call line appearances. Four dynamic soft keys on each phone guide you through core business features and functions, while a backlit monochrome pixel-based display combines intuitive features, calling information, and device system information. The Cisco Unified IP Phones 521G, 521SG, 524G and 524SG offer IEEE 802.3af PoE, or local power through an optional power adapter.

Cisco Unified IP Phone 500 Series

The phones in the Cisco Unified IP Phone 500 Series work exclusively with the Cisco Unified Communications 500 Series for Small Business and cannot be used with other Cisco call processing platforms.

Cisco Small Business Pro IP Phones SPA500 Series

The Cisco Small Business Pro IP Phone SPA525G (Figure 6) is a five-line wireless IP phone with 10 call line appearances. The SPA525G IP Phone is available in SIP and the Smart Phone Control Protocol (SPCP) versions. The SPCP version is built specifically for use with Cisco Unified Communications 500 Series platforms.

Cisco Small Business Pro IP Phone SPA525G

The SPA525G Wireless-G client enables the deployment of the Unified Communications 500 Series without cables, for easier installation. The Cisco SPA525G also offers IEEE 802.3af PoE, or local power through an optional power adapter. In addition, its built-in support for Bluetooth headset connectivity provides greater flexibility to small business users requiring desktop flexibility. Its superior high-resolution color screen and its audio quality bring the SPA525G user to a new level of experience. The SPA525G features include, in addition to the standard business call features, support for corporate directory access and web-based weather and news services, as well as an MP3 player.

Cisco Unified Communications Manager Express

Cisco Unified Communications Manager Express is a Cisco IOS Software solution embedded in the Cisco Unified Communications 500 Series appliance that provides call processing for Cisco Unified IP Phones. Simple to deploy, administer, and maintain, Cisco Unified Communications Manager Express is a reliable, feature-rich telephony solution.

Cisco Unity Express

Embedded Cisco Unity Express helps enable voicemail, desktop messaging, and Automated-Attendant services for increased customer service and a rich employee communications experience.

Cisco Unified CallConnectors for Windows PC Applications

The Cisco Unified Communications 500 Series integrates with common Windows desktop applications to give your business access to productivity gains once available only to large businesses. With Cisco Unified CallConnectors, you can integrate your Cisco Unified IP Phones with common business applications, including Microsoft Outlook, Internet Explorer, Microsoft Dynamics CRM, or Salesforce.com CRM.

LAN Switching and Routing

The Cisco Unified Communications 500 Series has an integrated, managed Ethernet switch that provides eight ports of 10/100 PoE optimized for integration with the Cisco Smart Business Communications System. Additionally, you can expand the system capacity by connecting the recommended Cisco Catalyst Express 520 Series Switch. Providing 8 to 24 additional ports of 10/100 PoE, this switch ships with a predefined software configuration that enables it to work immediately with the Cisco Unified Communications 500 Series platform. The Cisco Unified Communications 500 Series supports static routing and routing between VLANs and the built-in interfaces.

Firewall for Network Security

Security is a fundamental element of any network, and Cisco products play an important role in embedding security at the customer's access edge. The Cisco IOS Firewall is a stateful-inspection firewall available with the Cisco Unified Communications 500 Series. Built from market-leading Cisco PIX Firewall Software technologies, the Cisco IOS Firewall is a base feature on the Cisco Unified Communications 500 Series platform; it is ideal for protecting the WAN entry point into the network.

Virtual Private Networking

VPNs carry private data over a public network and extend remote access to users over a shared infrastructure. Maintaining the same security and management policies as private networks, VPNs are the most cost-effective means of establishing point-to-point connections between remote users and a central network. VPNs have been the fastest-growing form of network connectivity, and Cisco takes this approach to a new level by making VPN functions an integral part of the Cisco Unified Communications family of products. The Cisco Unified Communications 500 Series supports a maximum of 10 VPNs and includes built-in hardware-based encryption acceleration that offloads IP security (IPSec), Advanced Encryption Standard (AES), Data Encryption Standard (DES), and Triple DES (3DES) encryption and VPN processes to provide increased VPN throughput on the Cisco Unified Communications 500 Series platform.

Wireless Mobility Services

The 8- and 16-user models of the Cisco Unified Communications 500 Series support an optional integrated WLAN access point for secure WLAN connectivity. As part of the Cisco Smart Business Communications System, the Cisco Unified Communications 500 Series also supports the Cisco 521 Wireless Express Access Point. In addition, for best-in-class wireless mobility, the Cisco 526 Wireless Express Mobility Controller can be added to create a unified system of access points. Deploying these access points enables your business to add WLAN telephony as well as wireless access to data applications. Wireless services allow greater mobility for employees, partners, and customers, resulting in increased productivity.

Note: The 24-, 32- and 48-user models of the Cisco Unified Communications 500 Series do not support an optional integrated WLAN access point. These models can use the Cisco 521 Wireless Express Access Point and the Cisco 526 Wireless Express Mobility Controller to enable WLAN functions.

Cisco Configuration Assistant

The Cisco Configuration Assistant, a PC-based, intuitive GUI configuration tool, is an integral component of the Cisco Smart Business Communications System. With a focus on ease of use, it simplifies the task of configuring and modifying multiple technologies, such as unified communications, switching, routing, security, and wireless. Features include an interactive topology view, front-panel views of devices, wireless deployment setup wizard and drag-and-drop Cisco IOS Software upgrades.

Cisco Configuration Assistant

Features and Benefits:

Architecture Features and Benefits:

The Cisco Unified Communications 500 Series integrates voice, data, video, security, wireless, and management into one platform. It brings unified communications to small businesses and organizations by providing a simplified, affordable solution that is easy to configure, deploy, and manage. By combining call control, messaging, and mobility into one device, the Cisco Unified Communications 500 Series eliminates the added costs of multiple servers and provides a solution that is easy to set up and manage at a lower price point.

Feature:	Benefit:
Solution packaging	The solution offers various fixed configurations, eliminating the guesswork from configuration. Each configuration is equipped with the appropriate number of feature licenses for call processing, voicemail, and Cisco Unified IP phones, simplifying the product structure. A modular slot is available in most of the configurations, allowing expansion of the system with additional PSTN or analog station interfaces. The appropriate number of fixed digital signal processors (DSPs) is packaged with each configuration.
Default system configuration	Although packaged to support various deployment configurations, the solution comes with a Cisco Smart Assist predefined configuration from the factory, allowing for rapid deployment of the product in the field: Preassigned phone extensions Background images for color IP phones Ringtones for IP phones Music-on-hold Dial plan Voice and data VLANs Firewall settings With the appropriate licensed base platform, expanding the system is easy; simply connect the companion Cisco Catalyst Express 520 Switch and connect phones to the new PoE Ethernet ports.
Integrated voicemail and Automated Attendant	Voice messaging raises the level of professionalism, productivity, and customer service available to small business customers with built-in Automated-Attendant and advanced voicemail capabilities. With Professional Automated Attendant, all calls can be handled efficiently and reliably 24 hours a day. Callers can dial by extension number of the group or person they are trying to reach or use the Dial-by-Name feature when they do not know a specific extension. Voicemail extends your organization's productivity by allowing employees to access messages at any time from any telephone. Both internal and external calls to a busy or unattended phone are forwarded to the user's voicemail box and are greeted with the user's personalized greeting. Integrated messaging allows you to check your voicemail using Internet Mail Access Protocol (IMAP) email clients, including Microsoft Outlook, Outlook Express, or Lotus Notes. You can also access voicemail features using the XML display on Cisco Unified IP phones.
Ethernet connectivity with quality of service (QoS)	Ethernet connectivity is provided for IP phones or wireless access points by PoE ports that provide connectivity speeds for up to 100BASE-T Ethernet technology without the need for additional power modules. Most Cisco Unified IP phones include a 10/100 switch with QoS to provide PC desktop connectivity to the network. Optimized QoS is provided for IP phone and desktop configurations. The QoS level helps ensure that voice over IP (VoIP) traffic takes precedence. Voice and data traffic have separate VLANs. Port security limits unauthorized access to the network.
Power failover	A power failover feature on the base configuration allows access to the PSTN line if a power outage occurs. When power is lost, the first foreign exchange office (FXO) PSTN trunk is directly connected to foreign exchange station (FXS) analog port, allowing for calls to be placed and received
Recorded announcements for callers: Music on Hold (MOH)	The process for providing customized MOH announcements is simplified with a dedicated MOH port, allowing small-business owners to play recorded announcements to their callers by simply plugging the audio source into the provided 3.5-mm mini-jack. You can also use .wav files stored on flash memory of the system. MOH is an audio stream that is played to PSTN and VoIP G.711 or G.729 callers who are placed on hold, reassuring the callers that they are still connected to the called party.
Deployment options	Depending on the configuration, the Cisco Unified Communications 500 Series can be deployed as a desktop unit, wall-mounted, or installed in a standard 19-inch (48.26-cm) rack with an optional rack-mount kit. The Cisco Unified Communications 500 Series can be deployed in a wired (standard) configuration, using the LAN wiring to connect the system components. As an alternative, the Cisco Unified Communications 500 Series can be deployed on a wireless-only configuration with the Cisco Small Business Pro IP Phone SPA525G, eliminating the need for cables and making deployment easier.

 

Unified Communications Features:

IP telephony is currently experiencing tremendous growth, accelerated by access to value-added features and applications that only IP telephony can provide to the end user. Additionally, the cost benefits of converging data, voice, and video on a single network are adding to the rapid acceptance of this technology. Because it is integrated into a single system, Cisco Unified Communications 500 Series for Small Business enhances the advantages of convergence by offering the following benefits:

• Cost-effective operations through a single, integrated voice-and-data platform for all small-office needs: This highly reliable platform provides robust QoS and the right level of security, encryption, and firewall to deliver enhanced VPN services to meet small-business needs. The system delivers integrated IP telephony, voicemail, and Automated-Attendant functions, allowing you to deploy one device to address all your business needs-thereby simplifying management, maintenance, and operations and delivering a lower total cost of ownership (TCO).
• Sophisticated key system and private branch exchange (PBX) capabilities: Small businesses have different workflows and require specialized features to support their work practices. The Cisco Unified Communications 500 Series delivers a robust set of telephony features for the small office and delivers unique, value-added capabilities through XML. These capabilities, which cannot be delivered by traditional systems, enhance the productivity of the end user and the business.
• Remote maintenance and troubleshooting: You can use the industry-standard Cisco IOS Software command-line interface (CLI) or user-friendly GUI to configure and administer the Cisco Unified Communications 500 Series system

The Cisco Unified Communications 500 Series appliance offers the feature set available with Cisco Unified Communications Manager Express 7.0 and Cisco Unity Express 3.2.

Note: Cisco Unified IP Phone 500 Series work exclusively with the Cisco Unified Communications 500 Series for Small Business and cannot be used with other Cisco call processing platforms. Cisco Configuration Assistant Release 1.6 (or a more recent release) and Cisco IOS Software Release 12.4(11)XW7 (or a more recent release) are required in order for the 521G and 524G phones to be recognized by the Unified Communications 500 Series. Cisco Configuration Assistant Release 1.7 (or a more recent release) and Cisco IOS Software Releases 12.4(11)XW9 or 12.4(20)T (or more recent releases) are required for the 521SG and 524SG phones.

Feature:	Benefit:
End-user phone features	Multiline appearances on phone Attendant console functions using Cisco Unified IP Phone Expansion Module 7914 or PC-based attendance console Fast Transfer: Blind or consult Busy Lamp Field Silent ringing options Automatic line selection for outbound calls Call Forward on Busy, No Answer, and All Call Forward All restriction control Do Not Disturb (DND) Feature ring with DND set IP phone display of DND state Dial-plan pattern load on SIP phones Diversion of calls directly to voicemail Customization of soft keys Enable and disable Call Waiting notification per line Call Waiting with overlay Directory Number Call Waiting Ring Dual line appearances per button After-hours toll-bar override Auto-answer with headset European date formats Hook flash pass-through across analog PSTN trunks Idle URL: Periodically pushes messages or graphics on IP phones Last Number Redial Local Name Directory Lookup On-Hook Dialing Station Speed Dial with configuration changes from IP phone System Speed Dial for 10,000 numbers Silent and Feature Ring options SIP-based Line-Side Subscribe, providing basic presence of phone status Access features using soft keys or feature access codes Remote teleworker IP phone support Dynamic Hunt-Group Join or Leave Support for fax machines on FXS ports using H.323, Skinny Client Control Protocol (SCCP), and SIP XML application services on Cisco Unified IP phone displays Station-to-station video telephony using Cisco Unified Video Advantage or Cisco Unified IP Phone 7985G endpoints
PSTN interfaces and features	Analog FXO Loop and Ground Start Basic Rate Interface (BRI) support for several switch types currently supported in Cisco IOS Software T1/E1 for PSTN Connectivity Caller ID name and number Automatic Number Identification (ANI) Direct inward dialing (DID) Direct outward dialing Dedicated trunk mapping to phone button H.323 trunks with H.450 support H450.12 automatic detection of H.450 support for remote H.323 endpoints H.323-to-H.323 Hairpin Call Routing for non-H.450-compliant H.323 endpoints SIP trunks and RFC 2833 support Transcoding G.711 and G.729a
System calling features	Account codes and call detail record (CDR) field entry Callback Busy Subscriber Camp-On Per-phone call coverage rules Call Hold and Retrieve Call Park: Personal and directed Call Park Recall Call Park Assign to Extension Call Pickup Directed Call Pickup Local Group Call Pickup Explicit Group Call Transfer: Consultative and blind Call Waiting Eight-party impromptu conferencing Computer telephony integration (CTI) with Microsoft Dynamics CRM, Outlook, or Salesforce.com CRM using Cisco IOS Software Telephony Services Provider (TSP) Directory services using XML Hunt groups: Sequential, circular, and longest idle Hunt-group dynamic log in and log out Hunt-groups statistics: Daily and hourly Intercom Meet-Me Conferencing MOH: Internal or external source Night Service Bell or Call Forwarding Overlay extensions for enhanced call coverage Called-name display for overlay extensions Paging: Internal through IP phones or to external system Per-call caller ID blocking Secondary dial tone Additional system speed-dial option through XML service Time-of-day and day-of-week call blocking Customizable called-name display Basic automatic call distributor (B-ACD) (three queues) with Automated Attendant and call statistics Display of number of calls in queue on IP phone Agent log in and log out of B-ACD hunt group Secure voice IP phone certificate authentication and provisioning plus secure device signaling using Transport Layer Security (TLS)
Voice messaging	Integrated voicemail and Automated-Attendant solution using Cisco Unity Express Complete yet concise telephony user interface (TUI) tutorial: Takes the user step by step through the mailbox setup process, minimizing the need for administrator assistance, saving time and money Full range of commonly used voicemail features Comprehensive voicemail feature set: Replying, forwarding, saving messages; message tagging for privacy or urgency; alternate greetings; pause, fast forward, and rewind; and envelope information Networking: Voice Profile for Internet Mail (VPIM) protocol to communicate with other Cisco messaging platforms Distribution lists and broadcast messages Public and private distribution list function and broadcast messaging capability General-delivery mailboxes (GDMs) Multiple GDM voicemail boxes for designated team members Ability for subscribers to recover a message if it is inadvertently deleted Ability to share the user interface, menu structure, and commands with other Cisco voice messaging products Personal operator: Configurable alternate telephone number (per voice mailbox) for "zero out" option Voicemail access using IMAP integration with Microsoft Outlook, Outlook Express, or Lotus Notes Cisco Unified IP phone voicemail and mailbox settings access using Cisco Unity Express VoiceView Express XML application Integrated Messaging Support for Apple Macintosh users allows Microsoft Entourage 2004 and 2008 as an IMAP client PINless login to voicemail enables users to login to a voice mailbox from either the telephony user interface or through VoiceView Express without entering a PIN
Automated Attendant	Up to five Automated-Attendants per system Standard dial-by-name and dial-by-extension Automated Attendant Holiday schedules and calendar Business-hours schedule Script editor: Graphical scripting tool that creates customized Automated-Attendant menu flows Support for time-of-day and day-of-week routing Unlimited menu items and unlimited nesting Administration through telephony Ability to record Automated-Attendant prompts from phone or computer Capability to create and manage broadcast messages Ability to record spoken names for remote users Emergency alternate greeting: Alerts callers to temporary schedule changes due to snow, holidays, etc.
Configuration and management	Preconfigured to allow for connection of phones and PSTN lines to start using system upon startup Automatic assignment of extensions and voicemail boxes for phones for ease of deployment and future phone additions Extension assigner that allows replacement of phones using simple, easy-to-follow voice prompts Windows GUI-based Cisco Configuration Assistant for complete system setup; customization and management included Simple Network Management Protocol (SNMP) support with Cisco Unified Operations Manager or third-party management consoles

 

Network Security Features and Benefits

Security is a fundamental part of the Cisco Unified Communications 500 Series.

Feature:	Benefit:
Cisco IOS Firewall	Sophisticated security and policy enforcement provides features such as stateful, application-based filtering (context-based access control [CBAC]), per-user authentication and authorization, real-time alerts, and transparent firewall.
Cisco Easy VPN	The Cisco Unified Communications 500 Series eases administration and management of point-to-point VPNs by actively pushing new security policies from a single headend to remote sites. Note: Maximum of 10 VPN tunnels are supported on the platform.
Standard 802.1x support on integrated switching	Standard 802.1x applications require valid access credentials that make unauthorized access to protected information resources and deployment of unsecured wireless access points more difficult.
Network Address Translation (NAT)	NAT simplifies and reduces costs associated with global IP address allocation and management. Only a single registered IP address is required to support all users on an entire LAN infrastructure.

 

Wireless Support Features and Benefits:

The 8- and 16-user models of the Cisco Unified Communications 500 Series support an optional integrated WLAN access point for highly secure WLAN connectivity.

Note: The 24-, 32- and 48-user models do not support an optional integrated WLAN access point. These models can use the Cisco 521 Wireless Express Access Point and the Cisco 526 Wireless Express Mobility Controller to enable WLAN functions. Table 4 summarizes the wireless features.

Feature:	Benefit:
WLAN connectivity	The 802.11b/g integrated access point (available only on the 8- and 16-user Cisco Unified Communications 500 Series models) can be used to provide integrated WLAN connectivity to mobile clients-voice and data-resulting in mobility and enhanced productivity for users. The integrated 802.11b/g access point in the Cisco Unified Communications 500 Series supports up to 54-Mbps connections. Cordless WLAN IP phones allow users to be mobile and more productive.
Enhanced security	Enhanced security is provided with support for Wi-Fi Protected Access (WPA and WPA2), including authentication with 802.1x and Cisco LEAP, Protected Extensible Authentication Protocol (PEAP), dynamic Wired Equivalent Privacy (WEP), or static WEP. WLAN VLANs and 802.1q/e are also supported; these features prioritize voice and video traffic with queuing. Employee and guest WLAN access is through separate VLANs.

For additional flexibility and easy deployment, the Cisco Unified Communications 500 Series can be deployed without network cabling, by using its integrated or external wireless access points and the built-in wireless client on the Cisco Small Business Pro IP Phone SPA525G.

Summary:

The Cisco Unified Communications 500 Series for Small Business is a simple, smart, and affordable solution designed specifically for growing businesses with 8 to 50 employees per site. It integrates industry-leading, business-class, proven unified communications technologies (voice, data, video, security, and wireless) into one platform and facilitates integration with commonly used desktop applications such as Microsoft Outlook and Outlook Express, IBM Lotus Notes, and CRM software. Functions include Automated Attendant and voicemail, PSTN and Internet connectivity, and analog phone and fax machine support. A wide array of IP phones are supported by PoE ports. The Cisco Unified Communications 500 Series also provides the capability for voice, video, and data networking and allows business owners and employees to be securely connected to the office while they are traveling or working from their home offices.

Technical Specifications:

 

Cisco Unified Communications 500 Series: 8- and 16-User Configuration
Packaging Type	Desktop or wall-mount
Product Architecture:
DRAM	Cisco IOS Software: 256 MB Voice messaging: 512 MB
Compact Flash memory	Cisco IOS Software: 128 MB Voice messaging: 1 GB Compact Flash
Onboard Ethernet ports	Eight 10-/100-Mbps LAN One 10/100 WAN uplink One 10/100 Ethernet expansion port
Voice expansion slots	1 voice interface card (VIC) slot to support Cisco VIC modules listed in Table 7 for voice and fax
MOH	Single 3.5-mm audio port
Integrated hardware-based encryption	Yes
Integrated inline PoE ports	8 built-in PoE ports
FXS and DID ports	4 built-in FXS ports
PSTN interfaces (FXO, BRI or T1/E1)	4 to 12 FXO ports or 2 to 6 BRI ports (VIC slot can be used to add interfaces in some configurations) Fixed 48-user configuration is also available with integrated T1/E1 interface Accessory T1/E1 VWIC interface card: Available for use in the 8-, 16-, 24- and 32-user UC500 models (VIC slot can be used to add this T1/E1 interface card)
Console port (up to 115.2 kbps)	1
Voicemail ports	6 ports for voicemail and Automated Attendant
Deployment Options	Desktop, wall-mount, and rack-mount (rack-mount requires an optional rack-mount bracket)
Power Requirements:
Power supply	External
AC input voltage	100 to 240 VAC
AC input frequency	50 to 60 Hz
AC input current	4 to 2A (100 to 240V)
AC input surge current	50 to 100A (100 to 240V)
Maximum inline power distribution	82W
Power dissipation: AC without IP phone support	80W 90W (including external adapter)
Power dissipation: AC with IP phone support for IP phones	175W 180W (including external adapter)
Environmental Specifications:
Operating temperature	32 to 104°F (0 to 40°C)
Operating humidity	10 to 85% noncondensing operating; 5 to 95 noncondensing, nonoperating
Nonoperating temperature	4 to 149°F (-20 to 65°C)
Operation altitude	104°F (40°C) at sea level 87.8°F (31°C) at 6,000 ft (1800m) 77°F (25°C) at 10,000 ft (3000m) 34.7°F (1.5°C) per 1,000 ft
Dimensions (H x W x D)	2.625 x 10.5 x 11.05 in. (6.67 x 26.67 x 28.07 cm)
Power supply dimensions (H x W x D)	1.7 x 4 x 7.5 in. (4.3 x 10.16 x 19.05 cm)
Rack height	1.5 rack unit (RU)
Weight (fully configured)	8 lb (3.63 kg)
Power supply weight	3 lb (1.36 kg)
Noise level (minimum and maximum)	Normal operating temperature: <78°F (25.6°C): 34 dBA ->78°F (25.6°C) through <104°F (40°C): 37 dBA ->104°F (40°C): 42 dBA
Regulatory Compliance:
Safety	IEC 60950-1 AS/NZS 60950.1 CAN/CSA-C22.2 No. 60950-1 EN 60950-1 UL 60950-1
Immunity	EN 55024 EN 300-386 EN 61000-6-2 EN 50082-1 EN 55024 (CISPR 24)
EMC	FCC Part 15, ICES-003 EN55022, CISPR 22 AS/NZS CNS13438 VCCI V-3 EN 55024 EN 300-386 EN 61000-3-2 EN 61000-3-3 EN 50082-1 EN 55024 (CISPR 24) EN 61000-4-2 EN 61000-4-3 EN 61000-4-4 EN 61000-4-5 EN 61000-4-6 EN 61000-4-8 EN 61000-4-11 EN 61000-6-2
TELCOM*	FXS/DID TIA-968-A3 CS-03 Part I ACIF S002 ACIF S003 ANZ PTC200 ISDN BRI S/T (voice and data BC) TIA-968-A3 CS-03 Part VI TBR3 ACIF S031 ANZ PTC200 MPMHAPT Japan Digital FXO TIA-968-A3 CS-03 Part I TBR21 MPMHAPT Japan Analog ACIF S002 ACIF S003 ACIF S004 ANZ PTC200 MOH interface ACIF S038 ACIF S004 TIA-464C
WLAN Specifications:
WLAN hardware	802.11b/g Automatic rate selection for 802.11b/g RP-TNC connectors for field-replaceable external antennas (antenna options for extended coverage) Antenna diversity Indoor range: 1 Mbps at 320 ft (97.54m) Wireless Ethernet Compatibility Alliance (WECA) interoperability Default antenna gain: 2.2 dBi
WLAN software	Options to maximize throughput or maximize range Software-configurable transmit power Wireless Multimedia (WMM) certification Service Set Identifier (SSID) globalization
WLAN security	802.1X 802.11e WPA and AES (WPA2) EAP authentication: Cisco LEAP, PEAP, and Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) Static and dynamic WEP Temporal Key Integrity Protocol Simple Security Network (TKIP/SSN) encryption MAC authentication and filter User database for survivable local authentication using LEAP and EAP-FAST Configurable limit to the number of wireless clients  Configurable RADIUS accounting for wireless clients Preshared keys (PSKs) Workgroup Bridge Association
SSIDs and Service Set Identification List (SSIDL)	3
Wireless VLANs	3
Encrypted wireless VLANs	3
Multiple Basic SSIDs (MBSSIDs)	1

Compare Models:

 

Cisco UC520-24U-8FXO Unified Communication Chassis with 24 port Cisco Catalyst Express 520 switch
24 User configuration with 8 PSTN (FXO) 4 Analog ports (FXS) 8 PoE ports 1 VIC slot for expansion Feature licenses for user configurations of call control, voicemail and Cisco Unified IP Phones Note: requires a twenty-four (24) port Cisco Catalyst Express 520 switch
Cisco UC520-32U-8FXO Unified Communication Chassis with 24 port Cisco Catalyst Express 520 switch
32 User configuration with 8 PSTN trunks (FXO) 4 Analog ports (FXS) 8 PoE ports 1 VIC slot for expansion Feature licenses for user configurations of call control, voicemail and Cisco Unified IP Phones Note: requires a twenty-four (24) port Cisco Catalyst Express 520 switch

Documentation:

Download the Cisco Unified Communications 500 Series for Small Business Datasheet (PDF).