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Acer ALH-616ds User Manual

Acer dual-speed ethernet hub user's guide alh-616ds.
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ALH-616ds
A c e rHub
Dual-Speed Ethernet Hub
User's Guide

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   Summary of Contents for Acer ALH-616ds

  • Page 1 ALH-616ds A c e rHub Dual-Speed Ethernet Hub User's Guide...
  • Page 6 Quick Installation Guide 1. Unpack the AcerHub ALH-616ds dual-speed Hub and it'saccessories (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. Use the uplink port to connect to another hub or LAN switch.
  • Page 7: Product Goal

    616ds by this explicit expanding capability of data transmitting distances and user accounts. Installation of AcerHub ALH-616ds is relatively simple and all you have to dois plug the cables from the adapter cards to the ports, check the LEDs and you can start networking.
  • Page 8: Product Configuration

    The accessories of this product include: ALH-616ds dual-speed hub External switching power adapter Power cord Stacking cable (SCSI-II) Stacking kit 1 pairUser's manual ALH-616ds Figure 1-1Product configuration of AcerHub ALH-616ds 1 piece 1 piece 1 piece 1 piece 1 piece...
  • Page 9: Connecting To The External Power Supply

    2.Make Your Hub Ready This chapter will guide you through how to install the AcerHub ALH-616ds. 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.
  • Page 10 Figure 2-1 Get the hub and power adapter 2.1.2 Place the hub on the desktop and remove the packing box of the power adapter, as shown in Figure 2-2. Figure 2-2 Put the hub on desktop and find the proper power adapter...
  • Page 11 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. AcerSOHO Series Figure 2-3 Connect to the power adapter 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.
  • Page 12: Installing The Hub On Your Working Surface

    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. Figure 2-5 Power on the hub and make it ready 2.2 Installing the hub on your working surface You have to find a solid working surface to place the hub and make sure the equipment is not close to any high voltage power source or over-heated...
  • Page 13 Figure 2-6 Lay hub on stable desktop 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 inthe middle of two sides and click into the stacking hole in the plastic housing.Check if all hubs are tightly fastened by the stacking kits and proceed to next step.
  • Page 14 2.2.3 Get the stackable cable and connect the cable to the stacking connectoron the hub, as shown inFigure 2-8. Connect "Down" SCSI port of the upperhub to "Up" SCSI port of the lower hub. Any loose connection of the stackablecable will cause problems with network performance and quality. Figure 2-8 Connect hubs by stacking cable 2.2.4 If you are trying to add more hubs in your office, you can follow the procedures from 2.2.2 to 2.2.3 repeatedly.
  • Page 15: Connecting To Computers

    Figure 2-9 Stack multiple hubs together 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.
  • Page 16 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.
  • Page 17 ALH-616ds Figure 2-12 Check the Link LEDs both on hub and adapter card 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.
  • Page 18 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., Master, Slave indicators, Collision of 10 and 100M, and Bridge function •...
  • Page 19 Note: It's normal either Master or Slave LED will display when hubs are stacking. Master Slave 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. 10 Collision Orange Blink 100 Collision Orange Blink Bridge: Indicates if the bridging function is enabled.
  • Page 20 Figure 2-15 Network Status Indicators 100/10: Indicates if the port is working at 100Mbps or 10Mbps. LNK/ACT: Indicates if the port is linked to another port or receiving data. 2.4.4 Network utilization indicators There are 2 sets of LED indicators to indicate the real-time network utilization of 10Mbps and 100Mbps domain.
  • Page 21 Figure 2-16 Network utilization indicators 10 M 100 M 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. 616ds Speed Color 10Mbps Green Orange...
  • Page 22 Up-Link port. Please turn over the page to see the different Topologies. 3.1 Network topology for AcerHub ALH-616ds : The factors for ALH-616ds dual-speed network implementation are: • For stand-alone one, the ALH-616ds consists of separate 10Mbps and 100Mbps network domains with one built-in switch to inter-connect the data in domains, as shown in Figure 3-1.
  • Page 23 Figure 3-2 Master and Slave hubs in stacking ALH-616ds. Note: 1. To concern the convenience of the cross-wiring connection between hubs, ALH-616ds 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.
  • Page 24 2) can be eliminated. The hub count is unlimited and cable length between hubs can reach 100 meters, as shown in Figure 3- Figure 3-4 Unlimited cascading of ALH-616ds. • All PCs with 10Mbps network adapter cards transmit data at 10Mbps and form the 10Mbps network domain, as shown in Figure 3-5.
  • Page 25: Interconnection To Hubs And Switches

    10Mbps network speed when connecting to 10Mbps Ethernet hubs and 100Mbps network speed if connected to 100Mbps hubs. • If multiple ALH-616ds are stacked together, users can connect to hubs by the uplink port in slave hubs. Therefore other hubs can perform another class-II cascading, as shown in Figure 3-6.
  • Page 26 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. ALH-616ds will automatically work at 100Mbps network speed when connected to 10/100Mbps Ethernet switching ports and it will work at 10Mbps network speed if connected to 10Mbps switching ports.
  • Page 27 100 LED is The auto-negotiation not lit when function is failed between connected to ALH-616ds and the other a 100 NIC or party 100 Hub(but Link LED is lit.) Suggestions 1. Check if the AC power cord...
  • Page 28 None or Master and Slave LED lit on only Master LED lit only Slave LED lit on If you have any problem in building your network with AcerHub ALH-616ds, please contact your Vendor or visit our website: Http:// www.acernetxus.com.tw Stacking condition...
  • Page 29 Appendix A.Specifications Network Interface 16-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 Depth Height...
  • Page 30 Product Limited Warranty 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.
  • Page 31 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.acer.com/aac/aod Acer Latin America Inc. Tel: 1-305-392 7200 Fax:1-305-392 7216...
  • Page 32 100% Recyclable Paper P/N: 49.22013.101 Acer Netxus Inc. A Communications Company of Acer...

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