C2821-25UC-VSEC/K9 Cisco 2821 w/ PVDM2-32, AIM-CUE, 25 IP, 128F/512D

Product Overview: Cisco C2821-25UC-VSEC/K9

Manufacturer Information

• Manufacturer: Cisco
• Part Number: C2821-25UC-VSEC/K9
• Product Name: 2821-25UC-VSEC/K9 Integrated Services Router

Interfaces and Ports

• Total Ports: 2
• USB Ports: Yes
• Management Port: Yes
• Network Ports (RJ-45): 2

I/O Expansion Capabilities

• Total Expansion Slots: 12
• Expansion Slot Types:
  • AIM (Advanced Integration Module): Available
  • HWIC (High-Speed WAN Interface Card): Available
  • NME (Network Module Extension): Available
  • PVDM (Packet Voice Digital Signal Processor Module): Available

Networking and Communication

• Network Technology: 10/100/1000Base-T
• Ethernet Technology: Gigabit Ethernet

Security Features and Protocols

• Encryption and Security:
  • DES (Data Encryption Standard)
  • 3DES (Triple Data Encryption Standard)
  • AES (Advanced Encryption Standard) - 128, 192, and 256-bit
• Additional Security Protocols:
  • IPSec VPN (Internet Protocol Security Virtual Private Network)
  • SSL VPN (Secure Sockets Layer Virtual Private Network)

Memory Specifications

• Standard Memory: 256 MB
• Maximum Memory: 1 GB
• Memory Technology: DRAM (Dynamic Random-Access Memory)
• Flash Memory: 256 MB
• Memory Card Supported: CompactFlash

Power Requirements

• Input Voltage Options: 110 V AC / 220 V AC
• Power Source: Power Supply
• Redundant Power Supply: Yes

PVDM Feature: PVDM2-32

The Cisco 2821 router is equipped with the PVDM (Packet Voice Digital Module) feature, specifically the PVDM2-32 module. This module provides enhanced voice and video capabilities, making it an essential component for users who require reliable and high-quality voice and video communication.

Enhanced Voice Quality

With the PVDM2-32 module, users can experience superior voice quality during their communication sessions. This is achieved through advanced voice processing algorithms and codecs that ensure clear and crisp audio transmission. The module also supports echo cancellation and noise reduction techniques, eliminating any unwanted disturbances during calls.

Increased Call Capacity

The PVDM2-32 module significantly enhances the call capacity of the Cisco 2821 router. It enables users to handle a larger number of concurrent voice calls, ensuring smooth communication even during peak periods. This feature is particularly beneficial for businesses or organizations with high call volumes, such as contact centers or customer support departments.

Video Conferencing Capabilities

In addition to voice calls, the PVDM2-32 module enables video conferencing functionality. Users can conduct face-to-face meetings with colleagues or clients located in different geographical locations, fostering collaboration and reducing travel expenses. The module supports various video codecs, ensuring high-quality video transmission without compromising on bandwidth.

Flexible Deployment Options

The PVDM2-32 module offers flexible deployment options to cater to different user requirements. It can be easily installed in the Cisco 2821 router, allowing users to customize their voice and video capabilities based on their specific needs. Whether it is a small business or a large enterprise, this flexibility ensures that users can scale their communication infrastructure as their organization grows.

Compatibility with Unified Communications

The PVDM2-32 module is fully compatible with Cisco's Unified Communications suite of products. This integration allows users to leverage advanced features such as unified messaging, presence, and collaboration tools. By utilizing the PVDM2-32 module, users can seamlessly integrate their voice and video communication systems with other unified communications applications, enhancing productivity and efficiency.

Reliability and Redundancy

The PVDM2-32 module ensures high reliability and redundancy in voice and video communication. It supports failover mechanisms that automatically switch to backup resources in case of hardware or network failures. This ensures uninterrupted communication and minimizes downtime, providing users with a reliable and robust communication infrastructure.

Cost-Efficiency

By incorporating the PVDM2-32 module into the Cisco 2821 router, users can achieve cost-efficiency in their communication systems. The module eliminates the need for separate voice gateways or dedicated hardware, reducing infrastructure costs. Additionally, it enables users to leverage existing IP networks for voice and video communication, eliminating the need for separate networks and associated expenses.

AIM Feature: AIM-CUE

The Cisco 2821 router features the AIM (Advanced Integration Module) capability, specifically the AIM-CUE module. This module provides advanced voicemail and automated attendant functionality, making it an essential component for businesses or organizations that require efficient call handling and messaging services.

Voicemail Services

The AIM-CUE module enables users to set up voicemail services for their organization. Users can receive voicemail messages when they are unavailable or out of the office, ensuring that important calls are not missed. The module supports customizable voicemail greetings, message storage, and retrieval options, providing a seamless voicemail experience for both users and callers.

Automated Attendant

The AIM-CUE module offers an automated attendant feature that acts as a virtual receptionist. Callers can navigate through a menu system to reach the desired department or person, saving time and improving call handling efficiency. Users can configure the automated attendant to provide personalized greetings and menu options, ensuring a professional and consistent caller experience.

Integrated Messaging

In addition to voicemail and automated attendant services, the AIM-CUE module supports integrated messaging capabilities. Users can access their voicemail messages through email clients or web interfaces, allowing them to retrieve and manage messages from anywhere, using any device. This integration enhances productivity and ensures that users can stay connected even when they are away from their desk.

Scalability and Flexibility

The AIM-CUE module offers scalability and flexibility in call handling and messaging services. It can accommodate a large number of mailboxes, allowing businesses to scale their communication infrastructure as their organization grows. The module also supports integration with existing telephony systems, ensuring compatibility and ease of deployment.

Enhanced Call Management

With the AIM-CUE module, users can efficiently manage incoming calls. The module supports call screening, call forwarding, and call transfer functionalities, giving users control over their incoming calls. This feature is particularly useful for businesses or organizations that handle a large volume of calls or require advanced call routing options.

Increased Customer Satisfaction

The AIM-CUE module plays a crucial role in enhancing customer satisfaction. The module ensures that callers are greeted professionally and directed to the appropriate department or person without unnecessary delays. By providing efficient call handling and messaging services, businesses can improve customer experience and maintain positive relationships with their clients.

Cost Savings

By utilizing the AIM-CUE module, businesses can achieve cost savings in their communication infrastructure. The module eliminates the need for separate voicemail systems or third-party messaging services, reducing hardware and maintenance costs. Additionally, it enables businesses to streamline their call handling processes, reducing the need for additional staff or resources.

IP Feature: 25

The Cisco 2821 router is equipped with the IP (Internet Protocol) feature, specifically the IP 25 capability. This feature enables users to leverage the power of IP networks for their communication needs, providing a reliable and scalable solution for voice and data transmission.

Seamless Integration with IP Networks

With the IP 25 feature, users can seamlessly integrate their communication systems with existing IP networks. This integration eliminates the need for separate voice networks, simplifying network management and reducing infrastructure costs. By leveraging IP networks, users can take advantage of advanced features such as voice over IP (VoIP), video conferencing, and unified communications.

Scalability and Flexibility

The IP 25 feature offers scalability and flexibility in network design. Users can easily expand their network capacity by adding additional IP devices or segments, allowing them to accommodate growing communication needs. The feature also supports flexible addressing schemes, enabling users to allocate IP addresses efficiently and manage their network resources effectively.

Quality of Service (QoS)

The IP 25 feature incorporates Quality of Service (QoS) capabilities that prioritize voice and video traffic over data traffic. This ensures that critical communication applications receive sufficient bandwidth and are not affected by network congestion. QoS mechanisms such as traffic shaping and prioritization algorithms guarantee optimal performance for real-time applications, delivering a seamless communication experience for users.

Enhanced Collaboration

By leveraging the IP 25 feature, users can enhance collaboration within their organization. IP networks enable users to share data, documents, and applications in real-time, fostering teamwork and improving productivity. The feature also facilitates remote collaboration by providing secure access to network resources from any location, enabling users to work together regardless of geographical constraints.

Cost-Effective Solution

The IP 25 feature offers a cost-effective solution for communication needs. By utilizing IP networks, businesses can consolidate their voice and data infrastructure, reducing hardware and maintenance costs. The feature also enables users to leverage existing IP investments, maximizing the return on their IT investments. Additionally, the scalability of IP networks ensures that users can easily adapt their communication infrastructure to evolving business requirements.

Reliability and Redundancy

The IP 25 feature ensures high reliability and redundancy in communication networks. It supports failover mechanisms that automatically reroute traffic in case of network failures, minimizing downtime and ensuring uninterrupted communication. The feature also facilitates load balancing and traffic optimization, further enhancing network performance and reliability.

Future-Proof Technology

By incorporating the IP 25 feature into the Cisco 2821 router, users can future-proof their communication infrastructure. IP networks are continuously evolving, offering new technologies and services that can enhance communication capabilities. With the IP 25 feature, users can take advantage of these advancements and ensure that their communication systems remain up-to-date and compatible with emerging technologies.

Flash Memory Feature: 128F

The Cisco 2821 router is equipped with a flash memory feature, specifically the 128F capability. This flash memory provides storage for the router's operating system (OS), configuration files, and other essential software components.

Reliable Operating System Storage

The 128F flash memory ensures reliable storage of the router's operating system. This critical component is responsible for managing the router's functions and ensuring proper operation. By storing the OS in flash memory, users can ensure that it is protected from accidental deletion or corruption, minimizing the risk of system failures and downtime.

Secure Configuration Storage

The flash memory feature allows users to securely store their router's configuration files. These files contain essential settings and parameters that define the router's behavior and connectivity. By storing configurations in flash memory, users can protect them from unauthorized access or modifications, ensuring the integrity and security of their network infrastructure.

Easy Software Upgrades

The 128F flash memory provides ample space for storing software upgrades and updates. Users can easily install new versions of the router's operating system or other software components without the need for additional storage devices. This simplifies the upgrade process and ensures that users can take advantage of new features, bug fixes, and security patches.

Efficient Backup and Recovery

With the flash memory feature, users can perform efficient backups of their router's critical data. The flash memory allows users to create backup copies of the operating system, configuration files, and other important data. In case of hardware failures or system crashes, users can quickly restore their router's functionality by using the backup files stored in flash memory.

Customization and Personalization

The 128F flash memory offers customization and personalization options for users. It allows users to store their own scripts, applications, or custom configurations in flash memory, tailoring the router's functionality to their specific needs. This flexibility enables users to optimize their network infrastructure and enhance productivity by leveraging customized software components.

High Performance and Speed

The flash memory feature ensures high performance and speed in accessing stored data. Flash memory provides faster read and write speeds compared to traditional storage devices. This results in quicker boot times, faster software upgrades, and overall improved router performance. Users can experience seamless operation and reduced latency when accessing critical data stored in flash memory.

Long-Term Investment

By incorporating the 128F flash memory into the Cisco 2821 router, users can make a long-term investment in their network infrastructure. Flash memory technology is known for its durability and longevity, ensuring that stored data remains intact for an extended period. This eliminates the need for frequent hardware upgrades or data migrations, providing users with a reliable and cost-effective storage solution.

DRAM Feature: 512D

The Cisco 2821 router features a DRAM (Dynamic Random Access Memory) feature, specifically the 512D capability. DRAM is a type of computer memory that provides high-speed access to stored data, making it crucial for the router's performance and responsiveness.

Enhanced Router Performance

The 512D DRAM significantly enhances the router's performance by providing fast access to frequently used data. It allows the router to handle multiple tasks simultaneously and efficiently process network traffic. With increased DRAM capacity, users can experience improved responsiveness and reduced latency when accessing critical network resources.

Efficient Data Storage

The DRAM feature enables efficient storage and retrieval of data within the router. It acts as a temporary workspace where the router can store data that is actively being processed. The high-speed nature of DRAM ensures that data can be quickly accessed and manipulated, facilitating efficient routing and forwarding of network packets.

Optimized Network Traffic Management

The 512D DRAM allows the router to effectively manage network traffic. It provides the necessary resources to prioritize and route packets based on predefined criteria, ensuring optimal network performance. The increased DRAM capacity enables the router to handle larger amounts of data and process complex routing protocols, delivering efficient and reliable network connectivity.

Improved Scalability

With the 512D DRAM, users can easily scale their network infrastructure as their organization grows. The increased DRAM capacity provides room for accommodating additional network devices, expanding the router's capabilities without compromising performance. This scalability ensures that users can adapt their network infrastructure to evolving business requirements and increased network traffic.

Reduction in Network Congestion

The DRAM feature plays a crucial role in reducing network congestion. By efficiently managing network traffic, the router can prevent bottlenecks and ensure smooth data transmission. The increased DRAM capacity allows the router to buffer and process incoming packets more effectively, minimizing packet loss and improving overall network performance.

Enhanced Security

The 512D DRAM enhances the router's security capabilities by enabling efficient processing of security protocols and algorithms. With increased memory capacity, the router can handle complex encryption and decryption processes without affecting performance. This ensures that sensitive data transmitted over the network remains secure and protected from unauthorized access.

Reliability and Redundancy

The DRAM feature ensures high reliability and redundancy in the router's memory system. The 512D DRAM supports error correction mechanisms that detect and correct memory errors, preventing data corruption or system failures. In case of hardware failures, redundant DRAM modules can be utilized to maintain system operation, ensuring uninterrupted network connectivity.

Product Code Feature: C2821-25UC-VSEC/K9

The Cisco 2821 router is identified by its unique product code, specifically the C2821-25UC-VSEC/K9. This product code provides essential information about the router's specifications, capabilities, and compatibility with other Cisco products.

Identifying Router Model and Series

The product code C2821-25UC-VSEC/K9 identifies the specific router model and series. In this case, it belongs to the Cisco 2800 series and signifies that it is a Cisco 2821 router. This information is crucial for users when selecting or identifying the appropriate router model for their network infrastructure.

Specification of Router Configuration

The product code C2821-25UC-VSEC/K9 also specifies the configuration of the Cisco 2821 router. The "25" in the product code indicates that the router is equipped with the IP 25 feature, as described earlier. This feature enables users to leverage IP networks for their communication needs, ensuring seamless integration and scalability.

Compatibility with Unified Communications

The product code C2821-25UC-VSEC/K9 signifies that the Cisco 2821 router is compatible with Cisco's Unified Communications suite of products. This compatibility allows users to integrate their voice and video communication systems with other unified communications applications, enhancing collaboration and productivity.

Integrated Security Features

The product code C2821-25UC-VSEC/K9 indicates that the Cisco 2821 router is equipped with integrated security features. The "VSEC" in the product code stands for Voice Security Bundle, signifying that the router incorporates advanced security mechanisms specifically designed for voice and video communication.

Support for Unified Communications Express

The product code C2821-25UC-VSEC/K9 also signifies that the Cisco 2821 router supports Cisco Unified Communications Express (CUE). CUE is an integrated messaging and voicemail solution that enhances call handling and messaging services. With CUE, users can set up