Enterasys Networks B3G124-24P, B3G124-48P

Using the Reset Switch

4-10 Troubleshooting

Contents

Main Page Notice REGULATORY COMPLIANCE INFORMATION Page Supplement to Product Instructions 20 Page DECLARATION OF CONFORMITY ENTERASYS NETWORKS, INC. FIRMWARE LICENSE AGREEMENT Page Page Page Contents About This Guide Chapter 1: Introduction Chapter 2: Network Requirements Chapter 3: Hardware Installation Chapter 4: Troubleshooting Appendix A: Specifications Index Figures Tables Page About This Guide Who Should Use This Guide Important Notice How to Use This Guide Related Documents Conventions Used in This Guide Thefollowingconventionsareusedinthisguide: Getting Help Introduction Overview B3G124-24P Stackable Switch B3G124-48P Stackable Switch High-Speed Stack Connections Redundant Power Supply Capability PoE (Power over Ethernet) Support Connectivity Management Switch Configuration Using WebView Switch Configuration Using CLI Commands Standards Compatibility Page Network Requirements 10BASE-TX Network 100BASE-TX Network 1000BASE-FX Network 1000BASE-T Network Hardware Installation Important Notice For information about... Refer to page... Considerations Prior to Installation Required Tools Unpacking the Switch Installing Optional Mini-GBICs Preparing to Install a Mini-GBIC Installing a Mini-GBIC Figure 3-2 Mini-GBIC with LC Connector Removing a Mini-GBIC Installing the Switch on a Flat Surface Installing the Rubber Feet Guidelines for Flat Surface Installation Rack Mounting the Switch Guidelines for Rackmount Installation Attaching Brackets and Installing in Rack Page Connecting High-Speed Stacking Cables Configuring Switches in a Stack About SecureStack Switch Operation in a Stack Page Recommended Procedures to Install New and Existing Stacks Installing a New Stackable System of Up to Eight Switches Adding a New Switch to an Existing Stack Important Connecting AC and PoE Power AC Power Important Considerations About Using Clear Config in a Stack Page PoE Redundant Power System Stack Manager Selection Connecting to Console Port for Local Management What Is Needed Connecting to an IBM or Compatible Device Connecting to a VT Series Terminal Connecting to a Modem Connecting to the Network Connecting UTP Cables Page Page Page Connecting Fiber-Optic Cables to MT-RJ Ports Page Connecting Fiber-Optic Cables to LC Ports Page Completing the Installation Initial Logon to Switch Management Troubleshooting Using LANVIEW Figure 4-1 B3G124-24PLANVIEW LEDs Figure 4-2 B3G124-48P LANVIEW LEDs Tabl e 41describestheLEDindicationsandprovidesrecommendedactionsas appropriate. Table 4-1 LANVIEW LED Diagnostic Indications Page Table 4-1 LANVIEW LED Diagnostic Indications (continued) Troubleshooting Checklist Using the Reset Switch Table 4-2 Troubleshooting Checklist (continued) Problem Possible Cause Recommended Action Page Page A Specifications Switch Specifications Table A-1 B3G124-24P and B3G124-48P Specifications (continued) Item Specification Mini-GBIC Input/Output Specifications Gigabit Ethernet Specifications MGBIC-LC01/MGBIC-MT01 Specifications (1000BASE-SX) MGBIC-LC03 Specifications (1000BASE-SX) MGBIC-LC09 Specifications (1000BASE-LX) MGBIC-08 Specifications (1000BASE-ELX) MGBIC-02 Specifications (1000BASE-T) Table A-9 MGBIC-08 Optical Specifications Item Table A-10 MGBIC-08 Operating Range Item 1550 nm Range Table A-11 MGBIC-02 Specifications Item Specification Console Port Pinout Assignments Regulatory Compliance Page Index Numerics A B C O P R S T