Enterasys Networks C2K122-24 manual Connecting High-Speed Stacking Cables

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Connecting High-Speed Stacking Cables

Figure 3-5 Fastening the Switch to the Rack

 

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2 Mounting screws (supplied by user)

3.If you are installing this switch in a stacked configuration, repeat this procedure for each switch until all switches have been installed in the stack, then proceed to “Connecting High‐Speed Stacking Cables” on page 3‐9. Otherwise, proceed to “Connecting AC and RPS Power” on page 3‐13.

Connecting High-Speed Stacking Cables

The stack of switches can be connected in a ring or daisy chain topology. In a ring topology all the switches are connected. The only difference in the cable connections in a daisy chain topology is that one cable is not installed.

Up to 8 switches can be stacked together and connected by high‐speed stacking cables. You can add switches and reach up to a maximum of 384 Ethernet ports per stack. The high‐speed stacking cables allow the entire stack to operate with a single IP address.

Note: The high-speed stacking cables are optional items and must be ordered separately. There are two types of cables:

• C2CAB-SHORT cable (30.6 cm (12 in) long) to connect two adjacent switches in the stack.

•C2CAB-LONG cable (1.0 m (36.2 in) long) to connect from the top switch to the bottom switch in the stack. You only need one C2CAB-LONG cable per stack.

If the stack is in a configuration where the adjacent switches are too far apart for C2CAB- SHORT cables, C2CAB-LONG cables can be used for the connections.

Figure 3‐6 shows an example of a four‐high stack connected in a ring topology. All STACK DOWN and STACK UP connectors are used in the installation. The high‐speed stacking cable connections are from the STACK DOWN connector of one switch to the STACK UP connector of the next switch up in the stack. A high‐speed stacking cable connection from the STACK DOWN connector of the switch at the top of the stack to the STACK UP connector at the bottom of the stack completes the ring connection. In a daisy chain topology, one cable is not used.

SecureStack C2 Installation Guide 3-9

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Contents Enterasys SecureStack C2 Page Page Regulatory Compliance Information Electromagnetic Compatibility EMC Supplement to Product Instructions Vcci Notice Declaration of Conformity Enterasys NETWORKS, INC Firmware License Agreement Viii Page Page Contents Troubleshooting Figures Xiv How to Use This Guide About This GuideWho Should Use This Guide For Refer to Related DocumentsFollowing conventions are used in this guide Conventions Used in This GuideConventions Used in This Guide Xviii About This Guide Overview IntroductionC2K122-24 C2K122-24 Stackable Switch FrontDescription of XFPs Redundant Power Supply CapabilityConnectivity High-Speed Stack ConnectionsManagement Lanview Diagnostic LEDsSwitch Configuration Using WebView Switch Configuration Using CLI CommandsSupport@enterasys.com Getting HelpGetting Help Introduction 10BASE-TX Network Network Requirements100BASE-TX Network 1000BASE-T Network10GBASE-XX Network Type Max. Length Connector Recommended Cable Types and Specifications10GBASE-XX Network Network Requirements Hardware Installation Required Tools Considerations Prior to InstallationUnpacking the Switch Contents of Switch Carton QuantityPreparation Installing Optional XFPsRemoving the XFP Installing the XFPInstalling the Rubber Feet Installing the Switch on a Flat SurfaceChassis Bottom, Rubber Feet Placement Guidelines for InstallationArea Guidelines for Switch Installation on Flat Surface Rack Mounting the SwitchAttaching Brackets and Installing in Rack Guidelines for Rackmount InstallationFastening the Switch to the Rack Connecting High-Speed Stacking CablesHigh-Speed Stacking Cable Connections Configuring Switches in a StackAbout SecureStack C2 Switch Operation in a Stack Installing a New Stackable System of Up to Eight Switches Recommended Procedures for New and Existing StacksAC Power Connecting AC and RPS PowerSwitch Rear View Stack Initialization Overview RPS PowerWhat Is Needed Connecting to Console Port for Local ManagementParameter Setting Connecting to an IBM or Compatible Device10 Connecting a VT Series Terminal Connecting to a VT Series Terminal11 Connecting to a Modem Connecting to a ModemConnecting UTP Cables Connecting to the Network13 Four-Wire Crossover Cable RJ45 Pinouts for 10/100BASE-TX TX1+ RX1- TX2+ TX3+ RX3- RX2- TX4+ RX4 Connecting Fiber-Optic Cables to LC Ports Connecting to the Network 17 Cable Connection to LC Fiber-Optic Connectors Initial Logon to Switch Management Completing the InstallationTroubleshooting C2K122-24 Lanview LEDs Using LanviewColor State Recommended Action Lanview LEDsRPS Refer to the SecureStack C2 Configuration Guide for proper Troubleshooting ChecklistRefer to the SecureStack C2 Configuration Guide for the IP Password Reset Switch Using the Password Reset SwitchUsing the Password Reset Switch Troubleshooting Specifications Environmental Switch SpecificationsTable A-1 Switch Specifications C2K122-24 PhysicalSpecification Supported XFP Transceiver Interface OptionsTable A-2 Supported XFP Transceivers Console Port Pinout Assignments Regulatory ComplianceTable A-5 Compliance Standards Regulatory Compliance Numerics IndexInstallation of 3-3specifications for A-3
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