26/Stack Off | Enterasys Networks A2H123-24 instruction

Using LANVIEW

Table 4-1 LANVIEW LEDs (continued)

LED	Color State	Recommended Action

26/Stack Off	No valid connection to switch
Down	stackup connector.

1.Make sure the switch connected to the stackup connector is powered on.

2.Replace cable with a known good one.

3.If the problem still exists, contact Enterasys Networks for technical support.

	Green	Solid. Valid connection to	None.
		switch stackup connector.
		Flashing. Information is being
		transferred via the stacking
		cable.

25/Stack	Off	No valid connection to switch	1. Make sure the switch connected to the
Up		stackdown connector.	stackdown connector is powered on.
			2. Replace cable with a known good one.
			3. If the problem still exists, contact
			Enterasys Networks for technical
			support.

	Green	Solid. Valid connection to	None.
		switch stackdown connector.
		Flashing. Information is being
		transferred via the stacking
		cable.

Manager	Off	Switch is operating as a	None.
		Member in the stack.

	Green	Solid. Switch is operating as	None.
		the Manager of the stack.

4-4 Troubleshooting

Image 56

Enterasys Networks A2H123-24 manual 26/Stack Off

Contents

SecureStack A2 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 Figures Tables Xiv About This Guide Who Should Use This Guide How to Use This Guide Related Documents Conventions Used in This Guide Following conventions are used in this guide Getting Help Support@enterasys.com A2H123-24 Switch Overview A2H123-24 Stackable Switch Redundant Power Supply Capability Switch Configuration Using WebViewConnectivity Management Standards Compatibility Lanview Diagnostic LEDsSwitch Configuration Using CLI Commands Network Requirements 10BASE-T Network 1000BASE-T Network 100BASE-TX Network100BASE-FX Network Hardware Installation Required Tools Considerations Prior to InstallationUnpacking the Switch Installing the Switch on a Flat Surface Installing the Rubber Feet Chassis Bottom, Rubber Feet Placement Guidelines for Flat Surface Installation Area Guidelines for Switch Installation on Flat Surface Attaching Brackets and Installing in Rack Rack Mounting the SwitchGuidelines for Rackmount Installation Connecting Stacking Cables Attaching the Rackmount Brackets Stacking Cable Connections Configuring Switches in a Stack About SecureStack A2 Switch Operation in a Stack Recommended Procedures for New and Existing Stacks Installing a New Stackable System of Up to Eight Switches Adding a New Switch to an Existing Stack Connecting AC and RPS-SYS Power AC Power Switch Rear View C2RPS-SYS Redundant Power System RPS coverplate Screw holes for coverplate Stack Initialization Overview Connecting to Console Port for Local ManagementWhat Is Needed Connecting to an IBM or Compatible Device Parameter Setting Connecting to a VT Series Terminal Connecting an IBM PC or Compatible Connecting to a Modem 10 Connecting a VT Series Terminal Connecting to the Network Connecting UTP Cables 12 Connecting a UTP Cable Segment to RJ45 Port 13 Four-Wire Crossover Cable RJ45 Pinouts for 10/100BASE-TX 15 Eight-Wire Crossover Cable RJ45 Pinouts for 1000BASE-TX Connecting Fiber-Optic Cables to LC Ports 17 Cable Connection to LC Fiber-Optic Connectors Completing the Installation Initial Logon to Switch Management Completing the Installation Hardware Installation Troubleshooting Using Lanview Lanview LEDs of A2H123-24 LED 26/Stack Off RPS Troubleshooting Checklist Configuration Guide for proper setup Configuration Guide for the IP address Using the Reset Switch Reset Switch Specifications Switch Specifications Physical Fiber-Optic Specifications Console Port Pinout Assignments Torque Values Regulatory Compliance