Cisco Systems 3745 Series manual Replacing Cisco 3745 Sdram, Sdram Sodimm Location and Orientation

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Upgrading System Memory in Cisco 3745 Routers

Figure 8 Removing the Mainboard Tray from a Cisco 3745 Router

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Ejector levers

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Caution The mainboard is an ESD-sensitive component. To avoid damage, observe all ESD precautions.

Step 8 When you are ready to replace the mainboard tray, see the “Replacing the Cisco 3745 Mainboard” section on page 24.

Replacing Cisco 3745 SDRAM

SDRAM SODIMM Location and Orientation

The Cisco 3745 router mainboard includes one SODIMM socket, that supports two SDRAM SODIMMs one on top of the other. You must remove the top SODIMM to gain access to the one on the bottom.

Figure 9 shows the location of dynamic memory—that is, SDRAM SODIMMs—in the Cisco 3745 router.

Caution To avoid damaging ESD-sensitive components, observe all ESD precautions. To avoid damaging the underlying mainboard, do not use excessive force when you remove or replace SODIMMs.

Upgrading System Memory in Cisco 3700 Series Routers

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Contents Upgrading System Memory in Cisco 3700 Series Routers Memory Capacities DramMemory Configurations Dynamic MemorySafety Recommendations Compact Flash MemorySafety Warnings Waarschuwing Belangrijke VeiligheidsinstructiesWarnung Wichtige Sicherheitsanweisungen OBS! Spara Dessa Anvisningar OL-5423-02 Safety with Electricity Preventing Electrostatic Discharge Damage Tools and Equipment NeededUpgrading System Memory in Cisco 3725 Routers Removing the Cisco 3725 Router Cover Replacing Cisco 3725 Sdram Sdram Dimm Location and OrientationRemoving Sdram DIMMs Sdramm Dimm Locations in the Cisco 3725 RouterProceed to the Installing Sdram DIMMs section on Installing Sdram DIMMs Replacing CompactFlash Memory CardsReplacing the Cisco 3725 Cover Replacing the Cover on a Cisco 3725 RouterRemoving the Cisco 3745 Mainboard Tray Upgrading System Memory in Cisco 3745 RoutersReplacing Connections to the Router Captive Screws on a Cisco 3745 Router Removing the Front Panel from a Cisco 3745 Router Replacing Cisco 3745 Sdram Sdram Sodimm Location and OrientationRemoving Sdram SODIMMs Sdramm Sodimm Location in the Cisco 3745 RouterInstalling Sdram SODIMMs Proceed to Replacing the Cisco 3745 Mainboard section on Replacing the Cisco 3745 Mainboard Inserting the Mainboard into a Cisco 3745 RouterInstalling the Front Panel on a Cisco 3745 Router Reinstall the chassis on a rack or desktop Cisco.com Using the xmodem CommandObtaining Documentation Documentation Feedback Obtaining Technical AssistanceOrdering Documentation Cisco Technical Support WebsiteObtaining Additional Publications and Information Submitting a Service RequestDefinitions of Service Request Severity Obtaining Additional Publications and Information

3745 Series, 3725 Series, 3600 Series specifications

Cisco Systems has a long-standing reputation in the networking industry, and its series of routers, notably the 3725, 3600, and 3745, epitomize the company’s commitment to delivering high-performance solutions. This article delves into the main features, technologies, and characteristics that define these router series.

The Cisco 3725 Series, introduced as part of the 3700 series, is designed to offer a reliable platform for medium-sized enterprises. It supports various network functionality, including advanced routing protocols such as RIP, EIGRP, and BGP. The 3725 features a modular design that allows for easy scalability and customization. With support for voice, video, and data applications, it also enables various WAN interfaces, including T1/E1, DSL, and Frame Relay. The integration of security features, such as firewall capabilities and VPN support, makes the 3725 a robust choice for organizations looking to enhance their network security.

In the same family, the Cisco 3600 Series serves as a versatile option suited for branch offices and enterprise environments. Renowned for its flexibility, the 3600 supports numerous networking modules, making it adaptable to changing needs. Its high-density interface options, including serial, Ethernet, and ISDN interfaces, allow for seamless connectivity to different types of networks. Additionally, the 3600 provides strong support for voice-over-IP (VoIP) applications, thus making it popular among businesses that wish to unify their communication services.

The Cisco 3745 Series builds upon the strengths of its predecessors with increased performance and additional features. It integrates VoIP capabilities, ensuring a high-quality experience for voice communications over data networks. With enhanced encryption options and advanced security measures, the 3745 is tailored for organizations with heightened security requirements. The router supports a wide range of applications, including web hosting and remote access services. Furthermore, its ability to incorporate various modules, such as interface cards and voice cards, results in a highly customizable networking solution.

Overall, Cisco's 3725, 3600, and 3745 Series routers exemplify the balance of performance, reliability, and flexibility. Designed to meet the demands of medium and large enterprises, these routers provide essential features like modularity, scalable interfaces, strong security, and support for various applications. Each series offers unique advantages, allowing organizations to select the most suitable solution based on their specific needs. As networking technology continues to evolve, these routers remain relevant, helping businesses adapt to changing landscapes.
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