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8-Port A c e r H u b Dual-Speed Ethernet Hub ALH-608ds User's Manual 608-UM 1/8/99 2:34 PM ≠∂≠ ±1.
ii Copyright Copyright © 1998-1999 Acer Netxus Inc. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any .
IMPORTANT SAFETY INSTRUCTIONS 1. Read these instructions carefully. Save these instructions for future reference. 2. Follow all warnings and instructions marked on the product. 3. Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners.
About this Manual Purpose This user manual gives you all the information you need to operate the AcerHub ALH-608ds dual-speed Ethernet hubs properly. Note : ALH-608ds is the model number of AcerHub 608ds.This model number "ALH-608ds" will be used through this manual.
Table of Contents Chapter 1 Overview 1.1 Product goal 1-1 1.2 Product features 1-1 1.3 Product configuration 1-2 Chapter 2 Make Your Hub Ready 2.1 Connecting to the external power supply 2-1 2.2 Installing the hub on your working surface 2-4 2.3 Connecting to computers 2-7 2.
Quick Installation Guide 1. Unpack the AcerHub ALH-608ds dual-speed Hub and it's accessories (refer section 1.3). 2. Connect the Hub to the external Power supply (refer to section 2.4.1) 3. Use the normal ports to connect to PCs and computers. 4.
Congratulations on your purchase of the AcerHub 608ds. The AcerHub ALH- 608ds is a 8-port dual-speed fast Ethernet repeater hub for connection with multiple PCs to a workgroup LAN (Local Area Network) environment to share network resources.
large network,refer section 3.1 for details.) • Built-in switch auto-disable function to avoid data looping when stacking • External switching power supply for lower power consumption and heat emission • Compact design for SOHO desktop environment for easy networking 1.
This chapter will guide you through how to install the AcerHub ALH-608ds. It includes procedures for connecting to the external power supply, installing the hub on your working surface, connecting the Hub to your computer, and guidelines to see if it works well.
2.1.2 Place the hub on the desktop and remove the packing box of the power adapter, as shown in Figure 2-2 . 2-2 User's Manual Figure 2-1 Get the hub and power adapter Figure 2-2 Put the hub on d.
2.1.3 Verify it's a 5V,3A power adapter by looking at the indicating label. If the adapter is correct, please stretch the cable and plug the cord into the power jack of the hub, as shown in Figure 2-3 . 2.1.4 Once the hub is connected to the power adapter, please connect the power adapter to a power cord, as shown in Figure 2-4 .
2.1.5 Plug the power cord into the outlet on the wall and check if the power LED lights up. If it lights up, then the hub is ready to be connected to the network, as shown in Figure 2-5 .
2.2.2 If you are installing more than one hub, please turn off the power of all hubs first. Then you can get another hub and place it above the previous one on the working surface, as shown in Figure 2-7 . Finally, put the stacking kit in the middle of two sides and click into the stacking hole in the plastic housing.
2.2.3 Get the stackable cable and connect the cable to the stacking connector on the hub, as shown in Figure 2-8 . Connect "Down" SCSI port of the upper hub to "Up" SCSI port of the lower hub. Any loose connection of the stackable cable will cause problems with network performance and quality.
2.3 Connecting to computers 2.3.1 Make sure the hub is ready for networking by checking if the PWR indicator displays. 2 . 3 . 2 See if the computer is working and find the RJ-45 connector of the adapter card in computers.
2.3.3 Arrange the route for cabling if no fixed cabling box is provided. Otherwise, It's right way to connect from your computer to the fixed cabling box on your working surface and plug the other end of the cable to the RJ-45 connector on the hub, as shown in Figure 2-11 .
2.3.5 If you are trying to connect more cables to the hub, please follow procedures from section 2.3.2 to 2.3.4. 2.4 Does the hub work well? You can observe the LED status to see if the hub works fine. The meanings of LEDs are defined in section 2.4.1.
There are three groups of LED indicators in the front panel: • System status indicators: Indicate the overall system status of the hub. It includes system PWR, Fan Err.
Note : It's normal either Master or Slave LED will display when hubs are stacking. Note :The difference between Master hub and Slave hub will be explained in chapter 3. Collision : Indicate if a collision occurs in 10Mbps or 100Mbps domain. Bridge : Indicates if the bridging function is enabled.
100/10 : Indicates if the port is working at 100Mbps or 10Mbps. LNK/Rx : Indicates if the port is linked to another port or receiving data. Partition : Indicates if the port is partitioned or not. A port is partitioned if it experiences consecutive collisions.
The number of utilization is in percentage. For example, "15" of "100M" means 15% of 100Mbps, "55+" of "10M" means the utilization is more than 55% of 10Mbps.
This chapter describes the network topology for hybrid 10Mbps and 100Mbps networks, cabling requirement for connections, the interoperability between hubs and switches and the function of bridge Up-Link port. Please turn over the page to see the different Topologies.
Figure 3-2 Master and Slave hubs in stacking ALH-608ds. Note : 1. To concern the convenience of the cross-wiring connection between hubs, ALH-608ds provide 1 normal port (marked as "II) and 1 cross-over port (marked as "X"). These 2 ports are wired to each other by different wiring assignments.
• By way of an uplink port with a Bridge function, the limitations on 100Mbps hub count(maximum 2) can be eliminated. The hub count is unlimited and cable length between hubs can reach 100meters, as shown in Figure 3-4 . Figure 3-4 Unlimited cascading of ALH-608ds.
• The data in 10Mbps or 100Mbps domain will be inter-connected by internal built-in switch in the Master hub consequently. • All hubs delivering data by the shared-bus always work on half-duplex mode; that is, data can be sent or received at one time in one direction.
3.2.2 Connecting to Ethernet Switches : The factors governing hub and switch interconnection are: • The hubs are only connected to Ethernet switches by an uplink port.
4-1 User's Manual 4. Troubleshooting 4.1 Symptoms and Suggestions Symptoms All LEDs are off Link LED of a connected port is off 100 LED is not lit when connected to a 100 NIC or 100 Hub(but Link LED is lit.) Possible Reason Suggestions The hub is not receiving DC power 1.
4.2 Master and Slave LEDs State and Result/Action If you have any problem in building your network with AcerHub ALH-608ds, please contact your Vendor or visit our website: Http:// www.
Network Interface 8-port 10/100 dual-speed auto-detection function • 10Mbps Ethernet IEEE 802.3 10Base-T • 100Mbps Ethernet IEEE 802.3u 100Base-TX One of the ports(Port NO.1)has two RJ-45 connector to provide either normal or uplink connection. Physical Dimension (From front View) Width 230 mm Depth 170 mm Height 45 mm Weight 1.
Acer Netxus Incorporated (ANI) warrants its product to be free from defects in materials and workmanship, under normal use and service, for the following lengths of time from the date of purchase from ANI or its Authorized Resellers.
Contact us: Acer Computer International Ltd. Taiwan Branch Tel: 886-2-2713 9099 ext.7293 Fax: 886-2-2718 4895 http://www.aci.acer.com.tw Acer America Corporation Tel: 1-408-432 6200 Fax:1-408-922 2993 http://www.acer.com/aac Distribution/Information Hotline: 1-800-369 6736 Fax: 1-408-432 0496 http://www.
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Ein wichtiger Punkt beim Kauf des Geräts Acer ALH-608ds (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Acer ALH-608ds noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Acer ALH-608ds - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Acer ALH-608ds reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Acer ALH-608ds erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Acer ALH-608ds besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Acer ALH-608ds verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Acer ALH-608ds. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Acer ALH-608ds gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
