Allied-telesis AT-GS908 Manuale Utente

Gigabit Ethernet SwitchAT-GS908Installation Guide®PN 613-50472-00 Rev A

PrefacexContacting Allied Telesyn This section provides Allied Telesyn contact information for technical support as well as sales or corporate informa

1 Chapter 1Product DescriptionThe AT-GS908 switch is an unmanaged, Layer 2 Gigabit Ethernet switch designed to simplify the task of creating or expand

Product Description2FeaturesAT-GS908 Gigabit Ethernet switch features include: 8 10/100/1000 Mbps twisted pair ports  System and port LEDs Auto-neg

AT-GS908 Gigabit Ethernet Switch Installation Guide3ComponentsFigure 1 illustrates the front and back panels of the AT-GS908 switch.Figure 1 Front an

Product Description4Hardware Feature DescriptionThe following sections describe hardware features of the AT-GS908 Gigabit Ethernet switch: Twisted Pa

AT-GS908 Gigabit Ethernet Switch Installation Guide5Auto-MDIFor port speeds of 10 or 100 Mbps, the ports are auto-MDI. They automatically configure th

Product Description6AC PowerConnectorAT-GS908 switch has a single AC power supply socket on the back panel, which has autoswitch AC inputs. Refer to T

AT-GS908 Gigabit Ethernet Switch Installation Guide7A Few Ethernet Switching BasicsAn Ethernet switch interconnects network devices, such as workstati

Product Description8If the switch receives a packet with a destination address that is on the same port on which the packet was received, it discards

AT-GS908 Gigabit Ethernet Switch Installation Guide9Backpressure andFlow ControlTo maintain the orderly movement of data between the end-nodes, an Eth

Copyright  2003 Allied Telesyn, Inc. 960 Stewart Drive Suite B, Sunnyvale, CA 94085 USAAll rights reserved. No part of this publication may be reprod

Product Description10Network TopologiesThis section illustrates two network topologies that you can create with the AT-GS908 Gigabit Ethernet switch:

AT-GS908 Gigabit Ethernet Switch Installation Guide11CollapsedBackboneIn the topology illustrated in Figure 4, an AT-GS908 connects Fast Ethernet swit

13Chapter 2InstallationThis chapter contains the following sections: Reviewing Safety Precautions on page 14 Selecting a Site for the Switch on page

Installation14Reviewing Safety PrecautionsPlease review the following safety precautions before you begin to install the switch or any of its componen

AT-GS908 Gigabit Ethernet Switch Installation Guide15Selecting a Site for the SwitchObserve the following requirements when choosing a site for your s

Installation16Planning the InstallationTable 2 contains the cabling specifications for the twisted pair ports.NoteThe twisted pair ports on the switch

AT-GS908 Gigabit Ethernet Switch Installation Guide17Unpacking the SwitchTo unpack the switch, perform the following procedure:1. Remove all component

Installation18Installing the Swtich on a DesktopThe AT-GS908 can be used on a desktop or installed in a 19-inch rack. To install the switch in a rack,

AT-GS908 Gigabit Ethernet Switch Installation Guide195. Verify that the PWR LED is green. If the LED is OFF, refer to Troubleshooting on page 23.6. Co

iiiElectrical Safety and Emission StatementStandards: This product meets the following standards.RFI Emission FCC Class A, EN55022 Class A, VCCI Class

Installation20Installing the Switch in a RackTo install the AT-GS908 in a standard 19-inch rack, perform the following procedure: 1. If attached, remo

AT-GS908 Gigabit Ethernet Switch Installation Guide21Warranty RegistrationAfter installing your switch, you can register your product by completing th

23Chapter 3TroubleshootingThis chapter contains information on how to troubleshoot the switch in the event that a problem occurs.NoteIf you are still

Troubleshooting24Verify that the ACT LED for each port is ON. If a ACT LED is OFF, do the following: Verify that the end-node connected to the port i

25Appendix ATechnical SpecificationsPhysical SpecificationsDimensions: (H x W x D)4.4 cm x 26.6 cm x 16.2 cm(1.73 in x 10.5 in x 6.38 in)Weight: 1.4 k

Technical Specifications26Environmental SpecificationsOperating Temperature: 0° C to 40° C (32° F to 104° F)Storage Temperature: -25° C to 70° C (-13°

AT-GS908 Gigabit Ethernet Switch Installation Guide27Power SpecificationsMaximum Power Consumption: 18 wattsAC Input Electrical Ratings: 100 ~ 240 VAC

Technical Specifications28Safety and Electromagnetic Emissions CertificationsSafety: UL 1950 (UL/cUL), EN60950 (TUV), EN60825EMI: FCC Class A, EN55022

AT-GS908 Gigabit Ethernet Switch Installation Guide29ConnectorsThis section lists the connectors and connector pinouts for the AT-GS908 Gigabit Ethern

Technical Specifications30Table 5 lists the RJ-45 connector pins and their signals when a 1000Base-T port is operating at 1000 Mbps.Table 5 RJ-45 100

31Appendix BTranslated Electrical Safety and Emission InformationImportant: This appendix contains multiple-language translations for the safety state

Translated Electrical Safety and Emission Information32Standards: This product meets the following safety standards. 1 RFI Emission FCC Class A, EN55

AT-GS908 Gigabit Ethernet Switch Installation Guide33 11 OPERATING TEMPERATURE: This product is designed for a maximum ambient temperature of 40° deg

Translated Electrical Safety and Emission Information34Standarder: Dette produkt tilfredsstiller de følgende standarder.1 Radiofrekvens forstyrrelse

AT-GS908 Gigabit Ethernet Switch Installation Guide35Eisen: Dit product voldoet aan de volgende eisen.1 RFI Emissie FCC Klasse A, EN55022 Klasse A,

Translated Electrical Safety and Emission Information36Normes: ce produit est conforme aux normes de suivantes:1 Emission d’interférences radioélectr

AT-GS908 Gigabit Ethernet Switch Installation Guide37Standardit: Tämä tuote on seuraavien standardien mukainen.1 Radioaaltojen häirintä FCC Luokka A,

Translated Electrical Safety and Emission Information38Standard: Questo prodotto è conforme ai seguenti standard.1 Emissione RFI (interferenza di ra

AT-GS908 Gigabit Ethernet Switch Installation Guide39Sikkerhetsnormer: Dette produktet tilfredsstiller følgende sikkerhetsnormer.1 RFI stråling FCC

vTable of ContentsPreface ...

Translated Electrical Safety and Emission Information40Padrões: Este produto atende aos seguintes padrões.1 Emissão de interferência de radiofrequên

AT-GS908 Gigabit Ethernet Switch Installation Guide41Estándares: Este producto cumple con los siguientes estándares.1 Emisión RFI FCC Clase A, EN550

Translated Electrical Safety and Emission Information42Standarder: Denna produkt uppfyller följande standarder.1 Radiostörning FCC Klass A, EN55022

Table of ContentsviChapter 3Troubleshooting ...

viiPrefaceThis guide contains the hardware installation instructions for the AT-GS908 Gigabit Ethernet Switch.How This Guide is OrganizedThis manual c

PrefaceviiiDocument ConventionsThis document uses the following conventions to highlight important information:NoteNotes provide additional informatio

AT-GS908 Gigabit Ethernet Switch Installation GuideixWhere to Find Current Product DocumentationThe installation and user guides for all Allied Telesy