Manuals / Brands / Computer Equipment / Switch / SMC Networks / Computer Equipment / Switch

SMC Networks SMC8848M A-2, Diagnosing Power Problems with the LEDs

1 96

Download 96 pages, 7.83 Mb

T

ROUBLESHOOTING

A-2

Diagnosing Power Problems with the LEDs

The Power and RPS LEDs work in combination to indicate power status

as follows.

Stack Link LED is

Flashing Green/Amber

• The uplink/downlink has failed.

• For the indicated stack link, check that the stacking

cables are properly connected. Replace the stacking

cable if necessary.

• Power cycle the switch to try and clear the condition.

Link LED is Off • Verify that the switch and attached device are powered

on.

• Be sure the cable is plugged into both the switch and

corresponding device.

• Verify that the proper cable type is used and its length

does not exceed specified limits.

• Check the adapter on the attached device and cable

connections for possible defects. Replace the defective

adapter or cable if necessary.

Table A-2 Power/RPS LEDs

Power LED RPS LED Status

Green Green Internal power functioning normally; RPS is present.

Green Amber Internal power functioning normally; RPS plugged in but

faulty.

Green Off Internal power functioning normally; RPS not plugged in.

Amber Green Internal power faulty; RPS delivering power.

Off Off Both internal power and RPS unplugged or not functioning.

Table A-1 Troubleshooting Chart (Continued)

Symptom Action

Contents

Main TigerStack II 10/100/1000 Gigabit Ethernet Switch Installation Guide Page Page Trademarks: L W IMITED ARRANTY ii iii C Japan VCCI Class A FCC - Class A Industry Canada - Class A iv CE Mark Declaration of Conformance for EMI and Safety (EEC) v Australia AS/NZS 3548 (1995) - Class A Safety Compliance Power Cord Safety vi vii Veuillez lire fond l'information de la scurit suivante avant d'installer le Switch: viii Bitte unbedingt vor dem Einbauen des Switches die folgenden Sicherheitsanweisungen durchlesen: ix Warnings and Cautionary Messages Warnings (in German) Environmental Statement Page ABLE OF xi ONTENTS 1 About the TigerStack II 10/100/1000 . . . . . . . . . . . . . 1-1 C xii 4 Making Network Connections . . . . . . . . . . . . . . . . . . . 4-1 A Page xv ABLES F xvi IGURES Page T II 10/100/1000 1-2 Switch Architecture Description of Hardware 10/100/1000BASE-T Ports Page H 1-5 Port and System Status LEDs Figure 1-3 Port LEDs T 1-6 II 10/100/1000 Figure 1-4 System LEDs H 1-7 Table 1-2 System Status LEDs (Continued) Page B 1-9 Features and Benefits Connectivity Page HAPTER 2-1 2 N P ETWORK LANNING Introduction to Switching Application Examples ... ... ... Collapsed Backbone E PPLICATION ... ... XAMPLES 2-3 P ETWORK 10/100/1000 Mbps Segments Research & Development ... E 2-5 Making VLAN Connections P 2-6 Application Notes HAPTER 3-1 3 S THE NSTALLING Ethernet Cabling Equipment Checklist Mounting 3-5 S 3-6 Desktop or Shelf Mounting Installing an Optional Module into the Switch S 3-8 Installing an Optional SFP or XFP Transceiver into the Switch S 3-9 Connecting Switches in a Stack Page Page Connecting to a Power Source Connecting to the Console Port Page Page Page D 4-3 Network Wiring Connections N C Fiber Optic SFP Devices 10 G C O F 10 Gbps Fiber Optic Connections N C 4-6 Page N C 4-8 Connectivity Rules 1000BASE-T Cable Requirements 10 Gbps Ethernet Collision Domain R 1000 Mbps Gigabit Ethernet Collision Domain 4-9 Table 4-2 Maximum 10GBASE-LR 10 Gigabit Ethernet Cable Length Table 4-3 Maximum 10GBASE-ER 10 Gigabit Ethernet Cable Length Page Cable Labeling and Connection Records Page A-1 ROUBLESHOOTING Diagnosing Switch Indicators Table A-1 Troubleshooting Chart A-2 Diagnosing Power Problems with the LEDs The Power and RPS LEDs work in combination to indicate power status as follows. Table A-2 Power/RPS LEDs Table A-1 Troubleshooting Chart (Continued) Power and Cooling Problems Installation In-Band Access A-4 Stack Troubleshooting B-1 B ABLES Twisted-Pair Cable and Pin Assignments B-2 10BASE-T/100BASE-TX Pin Assignments C A Figure B-2 Straight-through Wiring IN P B-4 Crossover Wiring C A P B-5 Fiber Standards C-1 APPENDIX C S Physical Characteristics C-2 F C-3 Switch Features Management Features C-4 Standards Compliances Extender Modules Warranty Page D-1 APPENDIX D G ERMAN I Eine Site Auswhlen (Selecting a Site - German) Montage (Rack Mounting Instructions - German) Page Page E-1 E O I RDERING NFORMATION Table E-1 TigerStack II 10/100/1000 Products and Accessories Page Glossary-1 G Glossary-2 Glossary-3 Glossary-4 Glossary-5 Page NDEX Index-1 Numerics A B G I L M N R S T V W