Acer ALH-316ds/324ds Manuel utilisateur
16/24-port 10/100 Mbps Ethernet Hub
User's Guide
Acer Ethernet Hub
ALH-316ds/324ds
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Copyright
Copyright ©1999 by this company and all rights reserved. No part of this
publication may be reproduced, transmitted, transcribed, stored in a
retrieval system, or translated into any language or computer language, in
any form or by any means, electronic, mechanical, magnetic, optical,
chemical, manual or otherwise, without the prior written permission of this
company.
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.
Brand and product names are trademarks and/or registered trademarks of their
respective companies.
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Table of Contents
1. Introduction............................................................. 1
2. Hardware Installation.............................................. 2
3. Hardware Description............................................. 8
4. Trouble shooting..................................................... 14
5. Specification........................................................... 15
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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.
1.1 Product configuration
The product configuration inside the package is shown in the Figure 1-1.
Please check the contents of the package if there is any missing part
before using the hub. The accessories of this product include:
• ALH-316ds/324ds dual speed hub 1 piece
• Power cord 1 piece
• Hangers and pads 1 pack
• User guide 1 book
• Stacking cable (SCSI-II) 1 piece
Figure 1-1 Product configuration of ALH-316ds/324ds
1. Introduction
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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.
Figure 2-1 Front panel
Figure 2-2 Rear Panel
Before installing the hub, 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 sources. Also keep away from electronic
equipment sensitive to electronic interface. The brief procedures of
installing your hub should be as following section:
2. Hardware Installation
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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.Place the hub on the desktop or one a rack stably and verify the
power cord is a correct one suitable for your national standard plugs.
2.Connect the power cord to the hub first
3.Plug the power cord into the outlet on the wall, turn on the power,
and check if the power LED lights up. If it lights up, then the hub is
ready to be connected to the network. See Figure 2-3.
Figure 2-3 Connecting to the power
2.2 Connecting to computers
Make sure the hub is ready for networking by checking if the PWR
indicator displays.
1.Shut down the computer and install an adapter card in.
2.Plug in the one end of UTP/STP cable to the RJ-45 phone jack of the
network adapter.
3.Plug the other end of UTP/STP to normal ports of the ALH-
316d/ALH-324ds.
4.Turn on the PC and check if the Link LEDs on the adapter card and
the hub (Named as Link/REC) are lit up. See Figure 2-4
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If the LED is not lit up, there must be something wrong and please
reference to Chapter 4 for quick trouble shooting.
Figure 2-4 Connecting to computers
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.
LEDs Color Blink Indication Description
System Power Green Power on Power is on and works normally.
Indicators FAN Err. Yellow Blink Fan Error Fan inside is work abnormal.
Yellow Fan Fail Fan inside is fail.
10 Collision Yellow 10 Collision Collision in 10 Mbps segment
100 Collision Yellow 100 Collision Collision in 100 Mbps segment
10 Utilization Green/ Utilization Utilization ratio in 10 Mbps
Yellow ratio segment
100 Utilization Green/ Utilization Utilization ratio in 100 Mbps
Yellow ratio segment
Master Green Master Bridge function disabled 8/12
Slave Green Slave Bridge function enabled 8/12
Port Link/REC Green Link Port is linked.
Indicators Green Blink Receiving Receiving data in this port
100 Green 100 Mbps Run in 100 Mbps
Dark 10 Mbps Run in 10 Mbps
Table 2-1 LEDs definition
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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. And when the fan is fail, the LED will be lit without blinking.
You should check you fan and your vender and have a new fan to instead
of the old one to make sure the equipment will work normally.
10 Collision & 100 Collision: If there’s any collision happened in 10 Mbps
or 100 Mbps domain, then the 10 Collision or 100 Collision LEDs will be lit up.
Master: When the system is master hub, the Master LED will be lit on Green.
Slave: When the system is slave hub, the Slave LED will be lit on green.
2.3.2 Port indicators
100: When the port is linked with 100 Mbps equipment, the LED will be lit
on GREEN. Linking with 10 Mbps one, it will be dark.
Link/REC: When the port is linked, the Link/REC will be lit on GREEN.
And when there’s any data received in the port, the LED will be blinking in
GREEN. If the port is linked, and the LED isn’t lit up, please check if the
port connector fasten tightly.
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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 Color Utilization
10M 10Mbps Green 5, 15, 25
Yellow 35, 55+
100M 100Mbps Green 5, 15, 25
Yellow 35, 55+
Figure 2-5 Network utilization indicators
The number of utilization is in percentage. For example, “15” of “100M”
means 15% of 100 Mbps, “55+” of “10M” means the utilization is more than
55% of 10Mbps.
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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).
3. Using a cross-head screwdriver, attach the two mounting brackets to
both sides of the hub with the four screws supplied with the unit
(see Figure 2- 6).
4. Place the hub in the rack and align the holes in the mounting bracket
with the holes in the rack chassis (see Figure 2- 7).
5. Insert two mounting screws (the rack-mount equipment should provide
these screws), into each of the mounting brackets and tighten with a
suitable screwdriver.
Figure 2-6: Attaching mounting brackets (8 screws: M3x5)
Figure 2-7: Attaching mounting brackets for a rack mount (4 screws: M5x10)
Note: The pannel wall should be able to bear three times of the system's
weight
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