Cisco Systems DFC3A, DFC3BXL manual Appx 1/8 inch

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Removing the DFC3 Daughter Card

Step 6 Partially reinstall the cap nut, as shown in Figure 4, about 3 turns so that there is a space of about 1/8 inch (3 mm) between the bottom of the cap nut and the top of the DFC3 daughter card. The cap nut acts as a stop when you unseat the daughter card connector so that the DFC3 daughter card does not move horizontally and cause damage to the base board.

Figure 4	Partially Installing the Cap Nut
	Cap nut

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Step 7 With your left hand, lift slightly at the location shown in Figure 5. While lifting with your left hand, rock the DFC3 daughter card up and down with your right hand, no more than half an inch in either direction, to unseat the DFC3 daughter card from the module.

Catalyst 6500 Series DFC3A, DFC3B, and DFC3BXL Installation Note

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Contents Cisco Systems, Inc. All rights reserved Contents Installation Requirements and GuidelinesSafety Overview PFC Version DFC Version RestrictionsStatement 1071-Warning Definition Bewaar Deze InstructiesBewahren SIE Diese Hinweise GUT AUF Spara Dessa Anvisningar GEM Disse Anvisninger Page Required Tools and Parts Removing a CFC or DFC Daughter Card Removing the CFC Daughter CardCFC Daughter Card Securing Screws and Cap Nuts Removing the DFC3 Daughter Card Installation Bracket. May Or may not be present Appx 1/8 inch Rock up and down Unseat the DFC power connector Lift here Removing the DFC3 Daughter Card from the ModuleFront Stiffener Bracket Bracket. May Or may not be present Stiffener bracketBracket Stiffener bracket tabs Lift here to unseat DFC power connector Stiffener bracketUpgrading the DFC3BXL Daughter Card Memory Removing the Sodimm DDR Sdram SodimmReleasing the Sodimm Spring Clips Vertical position Memory moduleInstalling the Sodimm Handling a SodimmInstalling the DFC3 Daughter Card Installing the SodimmAlign with the male standoffs on the module Male standoffsConnectors Apply pressure here to seat power connectorSeating the DFC3 Daughter Card on the Module Installing the Securing Screws and Cap Nuts Installing the DFC3 Daughter Card 130152 130153 Installation bracket Stiffener bracket Removing and Installing Modules in the Chassis Removing a Module from the ChassisInstalling a Module in the Chassis Horizontal slotsHorizontal slots EMI gasket Ejector lever fully extendedMm Gap between the module EMI gasket and the module above it Ejector levers flush with module faceplateVertical slots Positioning the Module in a Vertical Slot Chassis GasketGap between the module EMI gasket and the module above it Press leftAttaching Your ESD Grounding Strap All ejector levers flush with module faceplateAttaching Your ESD Grounding Strap Clip installed ClipCisco.com Related DocumentationObtaining Documentation Product Documentation DVDOrdering Documentation Documentation FeedbackCisco Product Security Overview Reporting Security Problems in Cisco Products Obtaining Technical AssistanceSubmitting a Service Request Cisco Technical Support & Documentation WebsiteDefinitions of Service Request Severity Obtaining Additional Publications and InformationObtaining Additional Publications and Information

DFC3A, DFC3BXL, DFC3B specifications

Cisco Systems, a leader in networking and communication technology, has developed various products to enhance the performance and efficiency of network systems. Among these products, the Distributed Forwarding Card series stands out, particularly the DFC3BXL, DFC3B, and DFC3A. These cards are designed to provide advanced data forwarding capabilities in high-performance networking environments.

The DFC3BXL is a high-end forwarding card that supports advanced hardware-based packet forwarding, ensuring minimal latency and maximum throughput. With a forwarding capacity of up to 40 Gbps, it is well-suited for large enterprise networks that require fast and reliable data processing. One of its significant features includes support for load balancing across multiple ports, enhancing the network's efficiency and resilience.

The DFC3B, on the other hand, offers a balanced combination of performance and cost. With a forwarding capacity of 32 Gbps, it is ideal for medium-sized networks looking for reliable performance without the higher price tag associated with the DFC3BXL. It also supports advanced Quality of Service (QoS) features, enabling administrators to prioritize critical applications and manage bandwidth effectively.

Lastly, the DFC3A serves as an entry-level option for organizations that need basic forwarding capabilities. With a maximum forwarding capacity of 16 Gbps, it is suitable for smaller networks or branch offices. Despite being an entry-level card, it still offers essential features such as support for standard networking protocols and basic QoS capabilities.

All three cards leverage Cisco's robust architecture, providing high reliability and fault tolerance. They are designed to be easily integrated into existing Cisco devices, allowing for seamless upgrades and expansions. Additionally, these forwarding cards feature built-in telemetry and diagnostics tools, enabling network administrators to monitor performance in real-time and quickly address potential issues.

Technologically, all three cards utilize Cisco’s innovative ASICs (Application-Specific Integrated Circuits), designed to optimize packet processing. This ensures that packet forwarding remains efficient even under heavy network load conditions.

In summary, Cisco's DFC3BXL, DFC3B, and DFC3A Distributed Forwarding Cards cater to varying needs within enterprise networks, from high-end performance to basic functionality. Their advanced features, coupled with Cisco's proven reliability, make them an excellent choice for organizations looking to enhance their network infrastructure.