Allied-telesis x610 Series Layer 3 Manuale Utente Scaricare il pdf (Pagina 104)

Chapter 5: Troubleshooting

104

Power LED is Off

Check the PWR LED on the front of the switch. If the LED is off, indicating

that the unit is not receiving power, do the following:

 Make sure the power cord is securely connected to the power source

and to the AC connector on the rear panel of the switch.

 Verify that the power outlet has power by connecting another device

to it.

 Connect the unit to another power source.

 Use a different power cord.

 Check that the voltage from the power source is within the required

levels for your region.

1 2 ... 99 100 101 102 103 104 105 106 107 108 109 ... 119 120

Installation Guide 1
Radiated Energy 3
Industry Canada 3
Translated Safety Statements 4
Contents 5
List of Figures 9
List of Tables 11
Product Documentation 14
Starting a Management Session 15
Contacting Allied Telesis 18
Overview 19
Introduction 20
Switch Descriptions 21
POWER SUPPLY 22
STACKING 22
POE+ Switch 26
10/100/1000Base-T Ports 29
Auto-MDI/ 30
Chapter 1: Overview 32
Combo Ports 33
SD Card Slot 35
Port LEDs 36
SFP and SFP+ 38
System STATUS LEDs 41
STACK LEDs 43
Secure Digital (SD) LED 45
Terminal Port 46
Power Supplies 47
Redundant Power Supplies 49
AT-LBM (Loop Back) Module 51
VCStack Stacking Module 52
AC Power Connector 53
Power Device (PD) 55
Virtual Chassis Stacking 57
VCStack Introduction 58
The Physical 59
Ring Configuration 60
Resiliency Link 61
Configurations 61
Selecting the Stack Master 62
Common Stack Configuration 63
Stack Management VLAN 63
Stack Member Identification 64
Connecting 65
VCStack restrictions 66
Steps to set up a 67
Steps to replace a 69
Installing the Hardware 71
Reviewing Safety Precautions 72
Unpacking a Switch 75
100-240VAC 76
AT-x6EM/XS2 79
Installing a 80
VCStack 80
Stacking Module 80
STAC KI NG 81
Cabling an 84
AT-StackXG 84
Cabling the Network Ports 89
Twisted Pair 90
Specifications 90
Transceiver 91
LASER PRODUC 92
8mm ±1mm 96
(0.31in. ±0.039in.) 96
AT-PWR250 97
Starting a Local 101
Management 101
Warranty Registration 102
Troubleshooting 103
Power LED is Off 104
SFP or SFP+ LED is Off 106
System Fault LED is Blinking 108
Chapter 5: Troubleshooting 110
Technical Specifications 113
Environmental Specifications 114
Power Specifications 114
Certifications 115

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