Cisco Systems 3527 PRI, 3522 BRI manual Chipset, Operating System, Memory, Failsafe, Power Supply

Page 36

Chapter 5 Technical Specifications

Technical Specifications Table

Table 5-1

Cisco Unified Videoconferencing 3500 Gateway Unit Technical Specifications

 

 

 

 

Communication Interfaces

 

 

 

Front panel

 

Ethernet 10/100 Mbps auto-negotiate speed

 

 

 

 

select

 

 

Asynchronous serial port RS-232 connected

 

 

 

via 9-pin D-type connector

 

 

RJ-45 serial port (for video processing module)

 

 

SVGA port (for video processing module)

 

 

USB connector (for video processing module)

Rear panel

 

1 x ISDN E1/T1 PRI port:

(Cisco Unified

 

 

T1 mode

Videoconferencing

 

 

 

Channels: 23B + 1D

3527 PRI Gateway)

 

 

 

 

 

 

Clock rate: 1.544 Mbps

 

 

 

 

Framing: ESF or D4

 

 

 

 

Encoding: B8ZS or AMI

 

 

 

 

Line impedance: 100

 

 

 

E1 mode

 

 

 

 

Channels: 30B + 1D

 

 

 

 

Clock rate: 2.048 Mbps

 

 

 

 

Framing: G.704 with CRC4

 

 

 

 

Encoding: HDB3 or AMI

 

 

 

 

Line impedance: 120

Rear panel

 

4 x ISDN BRI ports

(Cisco Unified

 

 

 

 

 

Videoconferencing

 

 

 

 

3522 BRI Gateway)

 

 

 

 

Chipset

 

PowerPC MPC755 32-bit RISC

 

 

 

microprocessor running at 400MHz or more

 

 

MPC8260 secondary microprocessor running

 

 

 

at 200/133MHz or more

 

 

 

 

Operating System

RTOS, VxWorks 5.4

 

 

 

 

Memory

 

32 MB on-board flash memory for field

 

 

 

upgrades, supports up to 64 MB

 

 

1 MB L-2 Cache at 200 MHz or more

 

 

128 MB SDRAM, supports up to 256 MB

 

 

 

 

Failsafe

 

Watchdog timer built in

 

 

 

 

 

Power Supply

 

Input 100-240VAC autoswitched

 

 

Output + 3.3VDC, + 5VDC, + 12VDC

 

 

Maximum power load 150W

 

 

 

 

 

 

Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Release 5.5

5-2

OL-14910-01

 

 

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Contents Americas Headquarters Customer Order Number Text Part Number OL-14910-01Page N T E N T S Safety EMC OL-14910-01 Functionality About the Cisco Unified Videoconferencing 3527 PRI GatewayAbout the Cisco Unified Videoconferencing 3522 BRI Gateway About Gateway Features Feature DescriptionTCS4 Functionality Feature Cisco Unified VGA, XGA, SVGA, SIF, 4SIF, CIF, QCIF, 4CIF, 16CIFFeature Cisco Unified About Multimedia Conferencing About Point-to-Point Conferencing Multimedia Conferencing through the GatewayAbout Multipoint Conferencing About Gateway IP Network ConnectionsAbout Gateway Isdn Network Connections PRI Gateways BRI Gateways About PRI Gateway Call Handling Capacity About BRI Gateway Call handling CapacityAbout Gateway Call Bandwidth Overhead CapacityResource Allocation across E1/T1 Lines About Peer-to-Peer ConnectivityPhysical Description Front PanelAlarm LED Cisco Unified Videoconferencing 3527 PRI Gateway Rear PanelComponent Description CD LEDAlarm LED Cisco Unified Videoconferencing 3522 BRI Gateway RTMEkts Call AppearancesVerifying the Package Contents Fitting a Bracket for Rack Mounting Connecting to a PC Setting the IP AddressBefore You Begin RequirementsTo change the configuration software password Changing the Configuration Tool Login Password Snmp Management Local Port Monitoring ConnectionsPerforming Software Upgrades Svga PortRegistering the Online Help Netscape Navigator UsersUsing the Cisco Software Upgrade Utility Launching the Cisco Software Upgrade UtilityIntroduction Click Customize Snmp Settings Upgrading SoftwareCable Connections and Pin-outs Unit RS-232 9-Pin Serial PortPin Function RJ-45 8-Pin IP Network Port Isdn PortTechnical Specifications Technical Specifications TableLED Indicators Push ButtonsPower Supply ChipsetOperating System MemoryPage OL-14910-01 Safety Electrical SafetyGrounding ESD Procedures High VoltageSicherheit Elektrische SicherheitESD-Verfahren WarnhinweiseSeguridad Seguridad ElectricaPuesta a Tierra Alta TensiónProcedimientos ESD Securite Securite ElectriqueMise a la Terre Prevention des Decharges Electrostatiques Haute TensionChapter Safety Compliance Compliance and CertificationsTelecom FCC Part 15 NoticeCISPR24 CE CTR3, CE CTR4Acta Part 68 Notice Industry CanadaEnvironmental Compliance BRI EMCEMC IsdnSvga PRISnmp IN-4
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3527 PRI, 3522 BRI specifications

Cisco Systems has long been a leader in networking and telecommunications equipment, and its BRI (Basic Rate Interface) and PRI (Primary Rate Interface) products are essential components in enabling businesses to manage voice and data communications efficiently. Notable models such as the Cisco 3522 BRI and 3527 PRI have earned recognition for their robust performance and versatile features.

The Cisco 3522 BRI is designed to deliver high-quality voice and data services over ISDN (Integrated Services Digital Network) connections. With two B channels for voice or data transmission, each supporting up to 64 Kbps, this device is ideal for small to medium-sized businesses that require reliable communication solutions while maintaining cost-effectiveness. The Cisco 3522 BRI supports multiple protocols, making it a flexible choice to adapt to various network environments.

On the other hand, the Cisco 3527 PRI supports up to 30 B channels, thereby significantly increasing the capacity for voice calls and data transfer. This scalability makes the 3527 PRI suitable for larger organizations that demand higher throughput and call handling capability. It operates over T1 and E1 lines, allowing businesses to leverage existing infrastructure while improving operational efficiencies. Additionally, the 3527's advanced features, such as call processing and load balancing, contribute to a seamless communication experience.

Both devices support a range of technologies that enhance functionality and performance. They are equipped with Call Admission Control (CAC) to optimize bandwidth use and reduce congestion during peak traffic. Cisco's VoIP technology, including features such as voice provisioning, fax over IP, and QoS (Quality of Service) mechanisms, ensures voice clarity and reliability.

Security is paramount, and both the 3522 and 3527 incorporate various protocols such as SRTP (Secure Real-Time Transport Protocol) to protect voice communications against unauthorized access. Furthermore, integration with Cisco's unified communications offerings allows for a more cohesive communication strategy, ensuring that users can take advantage of collaboration tools and data services.

In conclusion, the Cisco 3522 BRI and 3527 PRI models stand out with their impressive feature sets and technologies, making them an excellent investment for businesses needing reliable, scalable, and secure voice and data communication solutions. Choosing Cisco means embracing a future-proof solution that can grow with your organization's communication needs.