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Acer ALH-316ds/324ds User Manual

16/24-port 10/100 mbps ethernet hub


Acer Ethernet Hub
16/24-port 10/100 Mbps Ethernet Hub
User's Guide


Table of Contents

Summary of Contents for Acer ALH-316ds/324ds

  • Page 1 ALH-316ds/324ds Acer Ethernet Hub 16/24-port 10/100 Mbps Ethernet Hub User's Guide...
  • Page 2 Disclaimer Acer Netxus Inc. reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation to notify any person of such revision or changes.
  • Page 3: Table Of Contents

    Table of Contents 1. Introduction... 1 2. Hardware Installation... 2 3. Hardware Description... 8 4. Trouble shooting... 14 5. Specification... 15...
  • Page 4: Introduction

    1. Introduction Thanks for your purchase of the ALH-316ds/324ds. ALH-316ds/324ds is an 16/24-port dual speed hub works as terminal connecting equipment in corporate environment to combine the 10Mbps users and 100Mbps power users. With its auto-sensing and auto-negotiation functions, all you have to do is plug in and check the correctness of the LEDs and start to work.
  • Page 5: Hardware Installation

    2. Hardware Installation This chapter will guide you through how to install the ALH-316ds/324ds. It includes procedures for installing the hub on your working surface, connecting the hub to your computer, and guidelines to see if it works well. Before setting up your hub, please take note of the front and rear panel of this hub, as shown in Figure 2-1 and 2-2.
  • Page 6: Connecting To Computers

    2.1 Connecting power cord Carefully unpack the ALH-316ds/324ds and it’s accessories. For the first time that you use this hub, please make sure there is all the same as the checking list in the package. The procedure for connecting to the power will be: 1.
  • Page 7 If the LED is not lit up, there must be something wrong and please reference to Chapter 4 for quick trouble shooting. 2.3 LEDs interface overview You can observe the LEDs status to see if the hub works fine. The meanings of LEDs are summarized as Table 2-1.
  • Page 8: Port Indicators

    2.3.1 System indicators PWR: When the power is connected rightly, the PWR LED will be lit on Green. If the LED is not lit on, then you should check the connection of your power and the outlet of power. Fan Err.: When the fan malfunction at work, then the Fan Err LED will be lit up and blink.
  • Page 9: Network Utilization Indicators

    2.3.3 Network utilization indicators There are 2 sets of LED indicators to indicate the real-time network utilization of 10 Mbps and 100 Mbps domain. Speed 10Mbps 100M 100Mbps Figure 2-5 Network utilization indicators The number of utilization is in percentage. For example, “15” of “100M” means 15% of 100 Mbps, “55+”...
  • Page 10: Rack Mounting

    2.4 Rack mounting To install the ALH-316ds/324ds hub in a 19-inch rack, please follow these steps: 1. If the hub has rubber footpads on the bottom of the unit, please remove them. 2. Locate the rack mounting holes on both sides of the hub (see Figure 2- 6).
  • Page 11: Hardware Description

    3.1 Connecting a hub/switch to normal port You can use the ALH-316ds/324ds as a terminal connecting equipments in corporate LAN environment, and for the purpose of expanding your port number you can connect another hub/switch with it’s uplink port to the normal port of ALH-316ds/324ds.
  • Page 12 3.3 Network topology for AcerHub ALH-316ds/324ds The factors for ALH-316ds/324ds dual-speed network implementation are: • For stand-alone one, the ALH-316ds/324ds consists of separate 10Mbps and 100Mbps network domains with one built-in switch to inter-connect the data in domains, as shown in Figure 3-2.
  • Page 13 Slave hubs. The Master hub continues to use the built-in switch but the switch in the Slave hubs will be disabled, as in Figure 3-3. Figure 3-3 Master and Slave hubs in stacking ALH-316ds/324ds. Note: 1. To concern the convenience of the cross-wiring connection between hubs, ALH-316ds/324ds provide 1 cross-over port (marked as"X").
  • Page 14 100meters, as shown in Figure 3-5. Figure 3-5Unlimited cascading of ALH-316ds/324ds. • All PCs with 10Mbps network adapter cards transmit data at 10Mbps and form the 10Mbps network domain, as shown in Figure 3-6.
  • Page 15: Interconnection To Hubs And Switches

    3.4.1 Connecting to Ethernet Hubs : The factors governing hub interconnection are: • The hubs are only connected by uplink port. ALH-316ds/324ds will automatically transmit at 10Mbps network speed when connecting to 10Mbps Ethernet hubs and 100Mbps network speed if connected to 100Mbps hubs.
  • Page 16 Figure 3-8 Connect to Ethernet Switches. No matter if the ALH-316ds/324ds hubs are stacked together or not, the user always can connect to Ethernet switches by the uplink port. 3.5 Application With this application diagram, you can clearly see the possibility what ALH- 316ds/324ds can do for you in expand your network.
  • Page 17: Trouble Shooting

    The auto-negotiation function is failed between connection equipment in ALH-316ds/324ds and the specific mode. If, yes, then free other part Suggestion 1.Check if the AC power cord plug is both securely fastened at the AC outlet and the hubs.
  • Page 18: Specification

    5. Specifications Specification: Comply with IEEE 802.3 /802.3u repeater standards - 16/24-port 10Base-T/100Base-TX RJ-45 phone jack ports - 1-port Uplink 10Base-T/100Base-TX RJ-45 phone jack port LEDs indicators: Power, Fan err., Collision, Utilization, Link/Receive, 10/100Mbps. Power supply: Internal switching power supply: 100~240V AC, 50~60 Hz. The power receptacle connects a power supply cord with the following specifications: CSA and UL Listed, No.
  • Page 19 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 20 If you purchased this product in the UNITED STATES, some states do not allow the limitation or exclusion of liability for incidental consequential damages, so the above limitation may not apply to you. Contact us: Acer Computer International Ltd. Taiwan Branch Tel: 886-2-2696 0123 ext.3130 Fax: 886-2-8691 2316
  • Page 21 100% Recyclable Paper P/N 49.22018.202 Acer Netxus Inc. A Communications Company of Acer...

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