CISCO 800-28909-03 Mainboard Unit Board B0

( Brand: Cisco ), ( Manufacturer Part Number: 800-28909-03 ), ( Part Type: Board ), ( Unit Type: Unit ), ( Compatible Brand: For Cisco )

Review CISCO B0 Mainboard Pulled From Working Unit board Only

The Cisco 800-28909-03 B0 Mainboard Unit-Board is a crucial component of the Cisco ISR G2 800 Series Integrated Services Routers. This mainboard, specifically designed for the Cisco 800 Series model 1811 and 1841 routers, delivers advanced routing, switching, and security features for small to medium-sized businesses and branch office deployments.

The B0 Mainboard Unit-Board integrates a powerful processor, advanced system memory, and multiple high-speed interfaces that enable high-performance data transfer, real-time applications, and efficient network management. This mainboard is built with a modular design, allowing for easy upgrades and maintenance.

The processor on this mainboard is a Broadcom BCM53360 Application-Specific Integrated Circuit (ASIC), delivering robust processing power for routing, switching, and security features. The mainboard supports up to 1 GB of System Flash memory and up to 2 GB of SDRAM, allowing for extensive storage capacity and high-speed data processing.

The Cisco 800-28909-03 B0 Mainboard Unit-Board features multiple high-speed interfaces, including two Gigabit Ethernet ports, one Fast Ethernet port, and two serial ports. These interfaces enable high-speed connectivity for various network devices and applications. Additionally, this mainboard supports various WAN interfaces, such as analog, digital, and T1/E1, allowing for flexibility in WAN connectivity options.

One of the standout features of this mainboard is its advanced security capabilities. It includes a hardware-based encryption engine that supports Advanced Encryption Standard (AES), Triple Data Encryption Algorithm (3DES), and Data Encryption Standard (DES) encryption algorithms. The mainboard also includes a firewall, intrusion prevention system, and virtual private network (VPN) support, ensuring robust security for your network.

The Cisco 800-28909-03 B0 Mainboard Unit-Board is designed for easy installation and integration into your existing network infrastructure. It is compatible with various Cisco Software Images, including the Cisco IOS XE Software, allowing for flexible deployment options. Additionally, the modular design of this mainboard enables easy upgrades and maintenance, ensuring that your network remains up-to-date and optimized for your business needs.

Cisco 800-28909-03 B0 Mainboard Unit-Board: A Comprehensive Analysis

The Cisco 800-28909-03 B0 Mainboard Unit-Board is a crucial component of Cisco ISR 800 Series Routers. This mainboard provides various interfaces, including WAN, LAN, and WLAN, making it a versatile choice for businesses and organizations. In this analysis, we will discuss the pros and cons of purchasing this mainboard to help you make an informed decision.

1. Versatility: The Cisco 800-28909-03 B0 Mainboard offers a wide range of interfaces, including 2 x Gigabit Ethernet, 2 x Fast Ethernet, 2 x 10/100/1000Base-T, 1 x 100Base-FX, 1 x 10/100/1000BASE-SX, and 1 x 10/100/1000BASE-LX. This variety caters to diverse network requirements.

2. High-Performance: The mainboard supports advanced features such as Modular QoS CLI, Multicast VPN, and IPv6. These features ensure high-performance and reliable network connectivity.

3. Flexibility: The Cisco 800-28909-03 B0 Mainboard can be used with various Cisco ISR 800 Series Routers, offering flexibility in terms of hardware and software upgrades.

1. Cost: The Cisco 800-28909-03 B0 Mainboard is a premium product, and its cost may be a significant barrier for small businesses or organizations with limited budgets.

2. Complexity: Installing and configuring the mainboard may require specialized knowledge and expertise. This complexity could result in additional costs for training or hiring a professional.

3. Dependence on Cisco: As this mainboard is specific to Cisco ISR 800 Series Routers, businesses and organizations that prefer non-Cisco solutions may not find it suitable.

The Cisco 800-28909-03 B0 Mainboard Unit-Board is an excellent choice for businesses and organizations that require high-performance, versatile network connectivity solutions. Its wide range of interfaces, advanced features, and flexibility make it a valuable investment. However, its cost and complexity may deter some potential buyers. Ultimately, the decision to purchase this mainboard depends on your specific network requirements and budget.

If your business or organization demands a high-performance, versatile network solution with advanced features and the necessary budget, the Cisco 800-28909-03 B0 Mainboard Unit-Board is an excellent choice. However, if you have a limited budget or prefer non-Cisco solutions, you may want to explore alternative options. It is always recommended to consult with a network professional to ensure that the chosen solution aligns with your network requirements and budget.

Details:

Multiple identical boards available. Cisco OEM Mainboard Part Number: 800-28909-03 B0 This mainboard was pulled from a working unit during decommission. No repairs attempted further testing performed after removal Sold as-is for repair, replacement, or refurbishment See photos exact condition Please verify compatibility prior to purchase. Board only no chassis, power supply, or accessories included.

part #: 8002890903 prices

• $25.00-$369.93

specifications switchchunk:

• brand: Cisco
• mpn: 800-28909-03
• part type: Board
• unit type: Unit
• compatible brand: For Cisco

shipping switchchunk:

• transit: 6-15 Days
• carrier: USPS
• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• cost: $9.06

offer switchchunk:

• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: December 21, 2025

payments switchchunk:

• other
• wallet: Google-pay
• credit card: Mastercard

returns switchchunk:

• policy: No Returns

general switchchunk:

• condition: Used
• Enterprise Networking, Servers > Switches Hubs > Switch Modules

seller switchchunk:

• rating: 97.8%
• # reviews: 43
• city: Fort Myers, Florida

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