Asante NetStacker II инструкция обслуживания

NetStacker II Dual Speed Stackable Hub User’ s Manual SHBBook Page 1 Wednesday, March 3, 1999 8:03 PM[...]

Copyright N otice T rademarks Asanté T echnologies and FriendlyNET are trademarks of Asanté T echnologies, Inc. E thernet is a r egistered trademark of the Xerox Corporation. A ll brand names and products ar e trademarks or registered trade- marks of their respective holders. FCC Information This device complies with part 15 of the FCC Rules. Ope[...]

Page i T able of Contents About This Manual ................................................. iii Chapter Contents .............................................. iii Document Conventions ..................................... iv Important Safety Instructions ............................ iv Introduction ...............................................[...]

Page ii LED Indicators ..................................................... 3-1 Power LED ..................................................... 3-2 Collision Indicator LEDs ................................. 3-2 Hub ID Number LEDs ..................................... 3-3 Port Link Activity Indicator LEDs .................... 3-3 10Mbps Link Activi[...]

Page iii About This Man ual This manual describes the N etStacker II dual speed stackable hubs. The manual focuses on the following two models: ❑ 12-port 10/100Mbps managed stackable hub ❑ 24-port 10/100Mbps managed stackable hub U nless otherwise noted, all information provided in this manual is applicable to both units. Chapter Contents This [...]

Page iv Document Con ventions This manual uses the term “N etS tacker II” to refer to the 12 port and 24 port dual speed hubs, and “hub ” to refer to all other Ethernet hubs. This manual uses the following conventions to convey instructions and information: ◆ N ote: N oteworthy information, which contains helpful suggestions or references[...]

About This Manual Page -v 11. If an extension cord is used with this product, make sur e that the total ampere ratings on the products connected to the extension cor d do not exceed the extension cord ampere rating. Also make sur e that the total of all products plugged into the wall outlet does not exceed 15 amperes. 12. N ever push objects of any[...]

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Page 1-1 1 Intr oduction This chapter introduces the Asanté N etStacker II 12 port and 24 port dual speed stackable hubs and provides an o ver view of basic hub technology . The chapter is made up of the following sections: ❑ P ackage Contents ❑ The N etS tacker II H ubs ❑ P erformance Featur es ❑ N etwork Concepts P ackage Contents The pa[...]

Introduction Page 1-2 The N etS tacker II 12 port unmanaged hub pro vides 12 twisted pair por ts. The 24 port managed hub provides 24 twisted pair ports. In addition, both hubs offer an expansion slot for a 100Base-FX interface so the user can slide a fiber- optic module into the rear panel. A slot for a 100Base-FX interface is also provided on th[...]

Performance Features Page 1-3 Each hub features full plug-and-play installation. LED indicators include pow er status, port link activity status, collision detection, and hub identification, for easy monitoring of hub operation. P erformance Features The N etS tacker II dual speed stackable hubs offer the following features: ❑ Full compliance wi[...]

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Page 2-1 2 Installation This chapter describes the components and explains how to install, mount, and apply power to your N etStacker II dual speed hub . I t contains the following sections: ❑ Components ❑ Cabling and V oltage Requir ements ❑ Placement and M ounting ❑ Connecting N etwork Devices ❑ P owering on the H ub Components This sec[...]

Installation Page 2-2 The front panel of the 24 port hub displays: ❑ T wenty-four dual speed (UTP) Ethernet ports ❑ One uplink switch button ❑ LED indicators. These features are sho wn in F igure 2-2. F igure 2-2 N etStacker II 24 port front panel LED Indicators The front panels of the N etStacker II dual speed hubs display LED indicators, as[...]

Components Page 2-3 F igure 2-3 LED Indicators on 12 port hub Rear P anels of the 12 Port and 24 P or t Hubs The rear panels of the 12 port and 24 port hubs both display: ❑ Management M odule S lot; can also be used for optional 100B ase FX slide-in module that allows connection to fiber optic network media ❑ Stack Connection I n and Stack Con[...]

Installation Page 2-4 Cabling and V oltage Requirements This section describes the cabling and voltage requirements for the N etS tacker II 12 port and 24 port hubs. ◆ N ote: Y ou may connect network cable segments to the hub or disconnect them while the power is on. Plugging in or removing cables while y our hub is running will not inter- rupt t[...]

Placement and Mounting Page 2-5 Placement and Mounting This section describes how to mount the N etStacker II on a desktop or shelf. Hub Location The location chosen for the N etS tacker II hub should be less than 100 meters from servers, workstations, and other devices. ▲ Important : Category 5 cables are environment-sensitive. Make sure that th[...]

Installation Page 2-6 3 Place the device into the 19-inch rack and attach it firmly . Ensure that the ventilation holes do not get blocked. F igure 2-6 Rack mounting Connecting Netw ork Devices The Auto-sensing capability of the N etStacker II hub allows y ou to connect 10Mbps and/or 100Mbps devices. Connecting W orkstations or Servers T o connect[...]

Connecting Network Devices Page 2-7 F igure 2-7 Connecting cable to a NIC ◆ N ote : The maximum length of a cable between a hub and a device is 100 meters, including all patch cables and cross-connect wires. 4 Continue connecting workstations, servers, or other devices to the hub using UTP cables to create a network as sho wn in the example in F [...]

Installation Page 2-8 2 Make sure that the length of the straight thr ough cable between the N etStacker II and a 100Mbps repeater does not exceed 5 meters, including all patch cables and cross con- nect wires. The cable between the N etS tacker II and any switch or any 10Mbps repeater cannot exceed 100 meters. ◆ N ote : If you need to connect mo[...]

Connecting Network Devices Page 2-9 F igure 2-9 Connecting to another hub using U plink P ort Straight through cab le Button pressed in 12 345 6 78 9 1 0 1 1 1 2 MII Module Slot NS2012 Uplink Normal Uplink 100M 10M COL Power NetStacker II Hub ID Number 1 23 4 5 6 7 8 9 10 11 12 1 23 4 5 6 7 8 100Mbps 10Mbps Stackable Dual-Speed Hub FH208P 8-port Du[...]

Installation Page 2-10 Stacking Hubs U p to eight N etStacker II hubs may be connected within a stack. F ur thermore, a management module can be installed easily in any of the stacked hubs, so that all of them can be managed. The management module communicates with a manager console by means of SNMP agent software, installed in the managed hub. Thi[...]

Connecting Network Devices Page 2-11 Adding Fiber Optic Connectivity via MII T o add connectivity for 100Base-FX transmission media, insert the optional MII fiber-optic module in the MII Module S lot in the back panel of the hub, as shown in F igur e 2-11. If you have not installed a management module, this slot will be available for the fiber-op[...]

Installation Page 2-12 P owering on the Hub The N etS tacker II hub may be turned on with (or without) LAN segment cables connected. T o power on the hub: 1 Connect one end of the power cor d (supplied) into the AC pow er connector on the back panel of the hub. ◆ N ote: N etS tacker II hubs are equipped with an internal power supply . P ower sens[...]

Page 3-1 3 LED Indicator s This chapter explains how to interpret the fr ont panel LED indicators on N etS tacker II dual speed hubs. There are no LEDs on the rear panel. The LEDs are used to facilitate monitoring and troubleshooting. These LEDs are: ❑ Po w e r ❑ Collision Indicators ❑ H ub ID N umber ❑ P ort Link Activity indicators The fr[...]

LED Indicators Page 3-2 F igure 3-2 24 port hub LEDs P ower LED The P ower LED is green and should always be lit when the N etStacker II is in use. After power is turned on, the LED indicators should r espond as follows: ❑ All LED indicators blink momentarily . This r epr esents a system r eset. ❑ The P ort Link Activity LEDs blink on. The por [...]

Hub ID Number LEDs Page 3-3 Hub ID Number LEDs The H ub ID LEDs are a numbered r ow of eight green LEDs. I f your N etS tacker II hub is configured with other N etStacker II hubs in a stack, each hub will get an auto-configured ID number , and the LED for that number will be lit on each hub. If y our hub is not part of a stack, the LED for ID num[...]

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Page A-1 A T r oubleshooting T able A-1 describes how to troubleshoot problems with your network and/or the S witch by monitoring the S witch ’ s LEDs. T able A-1 T roubleshooting Prob lem Indication Action No P ower P ower LED OFF Check the power cord. Make sure the po wer outlet is functional. Make sure the po wer cord is properly connected to [...]

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Page B-1 B Specifications NetStacker II Hub Specifications Standar d IEEE 802.3 Ethernet standard IEEE 802.3u F ast Ethernet standard Interfaces RJ-45 (TP) X 12/24 Stackable connector X 2 MII expansion slot for 100Base-FX module Stackable Up to 8 units Indicators System: P ower LED Hub ID LEDs Segment: 10Mbps collision LED 100Mbps collision LED P[...]

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Page C-1 C T echnical Suppor t Contacting T echnical Support T o contact Asanté T echnical Support: T elephone (800) 622-7464 F ax (801) 566-3787 F ax-Back (800) 741-8607 E-mail support@asante.com W orld Wide W eb Site http://www .asante.com T echnical Support Hours 6:00 a.m. to 5:00 p.m. P acific Standar d T ime USA, M onday - F riday . SHBBook [...]

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ASANTÉ TECHNOLOGIES, INC., 821 FOX LANE, SAN JOSE, CA 95131 PHONE: 800.622.7464 • F AX: 801.566.3787 • e-mail address: sales@asante.com • W orld Wide W eb site: http://www .asante.com ©1999 Asanté T echnologies Inc. Asanté is a trademark of Asanté T echnologies, Inc. All brand names and products are trademarks or register ed trademarks o[...]