Cisco Systems CISCO10720 manual Node Inner Ring-Ringlet Outer Ring-Ringlet

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Chapter 4 Creating a Four-Node Ring Using the Uplink Cards

RPR/SRP Uplink Card—IEEE 802.17 RPR Mode

Table 4-2 Cable Connections for a Four-Node IEEE 802.17 Mode Ring (continued)

Cable Connections

Node 3 / TX span West

Node 2 / RX span East

 

 

Node 2 / TX span West

Node 1 / RX span East

 

 

Figure 4-4provides a view of the network when a four-node IEEE 802.17 mode ring is created.

Figure 4-4 Four Node IEEE 802.17 Mode Ring

RX

1

TX

West

East

TX

RX

TX East RX

4

802.17 Mode

RX West TX

5

6

RX

 

TX

East

 

West

TX

3

RX

 

 

TX West RX

2

RX East TX

121184

1

Node 1

4

Node 4

 

 

 

 

2

Node 2

5

Inner Ring—Ringlet 1

 

 

 

 

3

Node 3

6

Outer Ring—Ringlet 0

 

 

 

 

 

 

Book Title

 

 

 

 

 

 

78-13113-06 B0

 

 

4-5

 

 

 

 

 

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Contents Corporate Headquarters Copyright 2003-2006 Cisco Systems, Inc. All rights reserved N T E N T S Disconnect Device Warning LEDs 78-13113-06 B0 Objectives Document Revision HistoryDocument Version Date Product Name Reference OrganizationSection Title Description Electromagnetic Compliance Site Wiring Distance and Interference GuidelinesElectromagnetic Compatibility Regulatory Statements Translated Safety Warnings Preface Translated Safety Warnings Obtaining Documentation Related DocumentationCisco.com Product Documentation DVDCisco Product Security Overview Documentation FeedbackOrdering Documentation Obtaining Technical Assistance Reporting Security Problems in Cisco ProductsCisco Technical Support & Documentation Website Definitions of Service Request Severity Submitting a Service RequestXvi Obtaining Additional Publications and InformationXvii Xviii Product Number Product Name Product Number and Product NamesDPT Uplink Card Faceplate and Specifications Product ID POS/DPT Uplink Card Faceplate and SpecificationsProduct ID Description OC48 SFP Module Specifications RPR/SRP Uplink Card Faceplate and SpecificationsOptical Cable Distance SFP Product ID Specification Description Optical Cable SpecificationsSFP Module Transmit Power Receive Power Power Budget Operating Transmit Power1Cisco 10720 Internet Router Console/Auxiliary Card Console/Auxiliary Card Faceplate and Specifications78-13113-06 B0 Hardware Requirements Preparing for InstallationRouter# show version Software RequirementsSafety Information and Electromagnetic Compliance Safety and ComplianceSafety Warnings Disconnect Device WarningPreventing Electrostatic Discharge Laser SafetyAttaching an ESD-Preventive Strap Preparing for Installation Safety and Compliance Book Title Tools and Equipment Required Installing and Removing the Uplink CardsPowering Down the Router Preparing for InstallationRemoving the Router from the Power Source Removing the Cable-Management System Verifying That the Router Is Powered DownRemoving the Cable-Management Cover Removing the RPR/SRP Uplink Card SFP Modules Disconnecting the Optical Interface CableRemoving a Bale Clasp SFP Module Spring-Loaded Screws on the Uplink Card Removing the Uplink Card11 Inserting the Uplink Card in the Router Chassis Installing an Uplink CardRPR SFP Installing the OC48 SFP Modules in the RPR/SRP Uplink Card13 Simplex Optical Cable Optical interface cable connector1 16 DPT Uplink Card Ports 18 RPR/SRP Uplink Card Ports 19 Attaching Cable-Management Tray Installing the Cable-Management System21 Installing Cable-Management Cover Turning On Power to the Router23 AC Power Cord Connected to Router Connecting the AC Power SupplyClose the wire bracket over the power cord plug. See Figure 26 Power Switch in the On Position Connecting the DC Power SupplyGround lead Negative lead Positivelead Book Title 66303 Verifying Uplink Card FunctionalityConfiguring Basic Ieee 802.17 RPR Functionality Configuring Basic POS FunctionalityConfiguring Basic SRP Functionality DPT Uplink Card Creating a Four-Node Ring Using the Uplink CardsCable Connections Four-Node DPT Ring RPR/SRP Uplink Card-IEEE 802.17 RPR ModeCreating an Ieee 802.17 Mode Ring Using RPR/SRP Uplink Cards Node Inner Ring-Ringlet Outer Ring-Ringlet 78-13113-06 B0 Verifying the Uplink Card Connection Troubleshooting the Uplink CardsDPT and POS/DPT Uplink Card LEDs LEDsActivity Description Green Port is active Off Port is not active RPR/SRP Uplink Status LEDs RPR/SRP Uplink Card LEDsRPR/SRP Uplink Card System LEDs Alarm Messages Troubleshooting the Uplink Cards InstallationFiber Misconnection-DPT Uplink Cards Fiber Misconnection-RPR/SRP Uplink CardAIS Alarm Description SolutionIeee 802.17 RPR Wrap Messages RPR-IEEE1/1 Alarm DescriptionLais Station using the show rpr-ieee rate-limit Rpr-iee topology command to verify WTR Router# show controllers rpr-ieee 1/1 transceiver Troubleshooting the RPR/SRP Uplink Card InstallationAlarm Processing Troubleshooting the POS Uplink Card InstallationShow controllers pos1/1 Cleaning the Fiber-Optic Connections Additional Troubleshooting ResourcesLoopback Testing 78-13113-06 B0 D E IN-2 IN-3

CISCO10720 specifications

Cisco Systems CISCO10720 is an advanced router designed to cater to the demands of service providers and large enterprises. Known as the Cisco 10720, this device features a highly efficient architecture that allows for high-speed data transport and optimized network performance. Its core purpose is to facilitate effective broadband services, including Internet Protocol (IP) data, voice, and video services.

One of the standout features of the Cisco 10720 is its modularity. This router supports various interface modules, allowing users to customize their hardware based on specific network needs. The ability to mix and match different modules ensures that clients can adapt the router to future requirements without needing to invest in an entirely new system.

The Cisco 10720 is built on high-performance forwarding capabilities, which is driven by its advanced chipset. This ensures low latency and high throughput, which are essential for applications requiring real-time communication, such as VoIP and streaming video. The system architecture is designed to manage and prioritize traffic effectively, utilizing Quality of Service (QoS) mechanisms to enhance user experience.

Security is another critical characteristic of the Cisco 10720. It offers robust security features, including access control lists (ACLs), encryption protocols, and network address translation (NAT) functionalities, ensuring that data remains secure as it traverses the network. These features help protect against a variety of threats while maintaining compliance with industry standards.

Moreover, the router supports various LAN and WAN technologies, making it versatile for different networking environments. It accommodates technologies such as MPLS, which enhances routing efficiency and supports better service level agreements (SLAs).

Another significant aspect of the Cisco Systems CISCO10720 is its scalability. The router is designed to handle growing bandwidth requirements effectively, accommodating an increasing number of connected devices and users. This flexibility is vital for businesses that may experience rapid growth or fluctuating network demands.

In summary, the Cisco Systems CISCO10720 stands out as a robust solution for enterprises and service providers looking to enhance their network capabilities. With its modular design, high-performance architecture, strong security features, support for various technologies, and scalability, the CISCO10720 is well-equipped to meet the challenges of modern networking environments.
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