Reproduction in any manner whatsoever without the written permission of D-Link Computer Corporation
is strictly forbidden.
Trademarks used in this text: D-Link and the D-LINK logo are trademarks of D-Link Computer
Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the
marks and names or their products. D-Link Computer Corporation disclaims any proprietary interest in
trademarks and trade names other than its own.
FCC Warning
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with this user’s
guide, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user will be required to correct the
interference at his own expense.
CE Mark Warning
This is a Class A product. In a domestic environment, this product may cause radio interference in which
case the user may be required to take adequate measures.
Warnung!
Dies ist ein Produkt der Klasse A. Im Wohnbereich kann dieses Produkt
Funkstoerungen verursachen. In diesem Fall kann vom Benutzer verlangt werden,
angemessene Massnahmen zu ergreifen.
Precaución!
Este es un producto de Clase A. En un entorno doméstico, puede causar interferencias
de radio, en cuyo case, puede requerirse al usuario para que adopte las medidas
adecuadas.
Attention!
Ceci est un produit de classe A. Dans un environnement domestique, ce produit
pourrait causer des interférences radio, auquel cas l`utilisateur devrait prendre les
mesures adéquates.
Attenzione!
Il presente prodotto appartiene alla classe A. Se utilizzato in ambiente domestico il prodotto può causare
interferenze radio, nel cui caso è possibile che l`utente debba assumere provvedimenti adeguati.
The DGS-1016D/DGS-1024D Manual is divided into sections that describe the system
installation and operating instructions with examples.
Section 1, Introduction - A description of the physical features of the Switch,
including LED indicators, ports and panel descriptions.
Section 2, Installation – A description of the physical installation of the Switch
including connecting the Switch to the network and connecting stacked Switch groups.
Section 3, Connecting the Switch – A description of how to connect your Switch to
an end node, hub, Switch or backbone server.
Appendix A, Technical Specifications - The technical specifications of the DGS1016D/DGS-1024D.
Glossary – Lists definitions for terms and acronyms used in this document.
Index – Index of relevant terms in the DGS-1016D/DGS-1024D Manual.
Intended Readers
The DGS-1016D/DGS-1024D Manual contains information for setup and management of the
DGS-1016D/DGS-1024D Switch. This manual is intended for network managers familiar
with network management concepts and terminology.
Notes, Notices, and Cautions
NOTE: A NOTE indicates important information
that helps you make better use of your device.
NOTICE: A NOTICE indicates either potential
damage to hardware or loss of data and tells you
how to avoid the problem.
CAUTION: A CAUTION indicates the potential for
property damage, personal injury, or death.
Use the following safety guidelines to ensure your own personal safety and to help protect
your system from potential damage. Throughout this safety section, the caution icon ( ) is
used to indicate cautions and precautions that you need to review and follow.
Safety Cautions
To reduce the risk of bodily injury, electrical shock, fire, and damage to the equipment,
observe the following precautions.
Observe and follow service markings. Do not service any product except as explained in your
system documentation. Opening or removing covers that are marked with the triangular
symbol with a lightning bolt may expose you to an electrical shock. Only a trained service
technician should service components inside these compartments.
If any of the following conditions occur, unplug the product from the electrical outlet and
replace the part or contact your trained service provider:
– The power cable, extension cable, or plug is damaged.
– An object has fallen into the product.
– The product has been exposed to water.
– The product has been dropped or damaged.
– The product does not operate correctly when you follow the operating
instructions.
• Keep your system away from radiators and heat sources. Also, do not block
cooling vents.
• Do not spill food or liquids on your system components, and never operate the
product in a wet environment. If the system gets wet, see the appropriate section
in your troubleshooting guide or contact your trained service provider.
• Do not push any objects into the openings of your system. Doing so can cause a
fire or an electric shock by shorting out interior components.
• Use the product only with approved equipment.
• Allow the product to cool before removing covers or touching internal
components.
• Operate the product only from the type of external power source indicated on the
electrical ratings label. If you are not sure of the type of power source required,
consult your service provider or local power company.
• To help avoid damaging your system, be sure the voltage selection Switch (if
provided) on the power supply is set to match the power available at your
location:
– 115 volts (V)/60 hertz (Hz) in most of North and South America and some Far
Eastern countries such as South Korea and Taiwan
– 100 V/50 Hz in eastern Japan and 100 V/60 Hz in western Japan.
– 230 V/50 Hz in most of Europe, the Middle East, and the Far East.
• Also be sure that attached devices are electrically rated to operate with the power
available in your location.
Safety Instructions (continued)
• Use only approved power cable(s). If you have not been provided with a power
cable for your system or for any AC-powered option intended for your system,
purchase a power cable that is approved for use in your country. The power cable
must be rated for the product and for the voltage and current marked on the
product's electrical ratings label. The voltage and current rating of the cable
should be greater than the ratings marked on the product.
• To help prevent an electric shock, plug the system and peripheral power cables
into properly grounded electrical outlets. These cables are equipped with threeprong plugs to help ensure proper grounding. Do not use adapter plugs or remove
the grounding prong from a cable. If you must use an extension cable, use a 3wire cable with properly grounded plugs.
• Observe extension cable and power strip ratings. Make sure that the total ampere
rating of all products plugged into the extension cable or power strip does not
exceed 80 percent of the ampere ratings limit for the extension cable or power
strip.
• To help protect your system from sudden, transient increases and decreases in
electrical power, use a surge suppressor, line conditioner, or uninterruptible power
supply (UPS).
• Position system cables and power cables carefully; route cables so that they
cannot be stepped on or tripped over. Be sure that nothing rests on any cables.
• Do not modify power cables or plugs. Consult a licensed electrician or your power
company for site modifications. Always follow your local/national wiring rules.
• When connecting or disconnecting power to hot-pluggable power supplies, if
offered with your system, observe the following guidelines:
– Install the power supply before connecting the power cable to the power supply.
– Unplug the power cable before removing the power supply.
– If the system has multiple sources of power, disconnect power from the system
by unplugging all power cables from the power supplies.
• Move products with care; ensure that all casters and/or stabilizers are firmly
connected to the system. Avoid sudden stops and uneven surfaces.
General Precautions for RackMountable Products
Observe the following precautions for rack stability and safety. Also refer to the rack
installation documentation accompanying the system and the rack for specific caution
statements and procedures.
Systems are considered to be components in a rack. Thus, "component" refers to any system
as well as to various peripherals or supporting hardware.
CAUTION: Installing systems in a rack without the front and
side stabilizers installed could cause the rack to tip over,
potentially resulting in bodily injury under certain
circumstances. Therefore, always install the stabilizers
before installing components in the rack.
After installing system/components in a rack, never pull
more than one component out of the rack on its slide
assemblies at one time. The weight of more than one
extended component could cause the rack to tip over and
may result in serious injury.
• Before working on the rack, make sure that the stabilizers are secured to the rack,
extended to the floor, and that the full weight of the rack rests on the floor. Install
front and side stabilizers on a single rack or front stabilizers for joined multiple
racks before working on the rack.
Always load the rack from the bottom up, and load the heaviest item in the rack first.
Make sure that the rack is level and stable before extending a component from the rack.
Use caution when pressing the component rail release latches and sliding a component into or
out of a rack; the slide rails can pinch your fingers.
After a component is inserted into the rack, carefully extend the rail into a locking position,
and then slide the component into the rack.
Do not overload the AC supply branch circuit that provides power to the rack. The total rack
load should not exceed 80 percent of the branch circuit rating.
Ensure that proper airflow is provided to components in the rack.
Do not step on or stand on any component when servicing other components in a rack.
NOTE:A qualified electrician must perform all connections
to DC power and to safety grounds. All electrical wiring
must comply with applicable local or national codes and
practices.
CAUTION: Never defeat the ground conductor or operate
the equipment in the absence of a suitably installed ground
conductor. Contact the appropriate electrical inspection
authority or an electrician if you are uncertain that suitable
grounding is available.
CAUTION: The system chassis must be positively
grounded to the rack cabinet frame. Do not attempt to
connect power to the system until grounding cables are
connected. Completed power and safety ground wiring
must be inspected by a qualified electrical inspector. An
energy hazard will exist if the safety ground cable is omitted
or disconnected.
Static electricity can harm delicate components inside your system. To prevent static damage,
discharge static electricity from your body before you touch any of the electronic
components, such as the microprocessor. You can do so by periodically touching an
unpainted metal surface on the chassis.
You can also take the following steps to prevent damage from electrostatic discharge (ESD):
1. When unpacking a static-sensitive component from its shipping carton, do not
remove the component from the antistatic packing material until you are ready to
install the component in your system. Just before unwrapping the antistatic
packaging, be sure to discharge static electricity from your body.
2. When transporting a sensitive component, first place it in an antistatic container or
packaging.
3. Handle all sensitive components in a static-safe area. If possible, use antistatic
floor pads, workbench pads, and an antistatic grounding strap.
Ethernet Technology
Switch Description
Features
Ports
Front-Panel Components
Ethernet Technology
Fast Ethernet Technology
The growing importance of LANs and the increasing complexity of
desktop computing applications are fueling the need for high performance
networks. A number of high-speed LAN technologies are proposed to
provide greater bandwidth and improve client/server response times.
Among them, Fast Ethernet, or 100BASE-T, provides a non-disruptive,
smooth evolution from 10BASE-T technology.
100Mbps Fast Ethernet is a standard specified by the IEEE 802.3 LAN
committee. It is an extension of the 10Mbps Ethernet standard with the
ability to transmit and receive data at 100Mbps, while maintaining the
Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
Ethernet protocol.
Gigabit Ethernet Technology
Gigabit Ethernet is an extension of IEEE 802.3 Ethernet utilizing the same
packet structure, format, and support for CSMA/CD protocol, full-duplex,
flow control, and management objects, but with a tenfold increase in
theoretical throughput over 100Mbps Fast Ethernet and a one hundred-fold
increase over 10Mbps Ethernet. Since it is compatible with all 10Mbps
and 100Mbps Ethernet environments, Gigabit Ethernet provides a
straightforward upgrade without wasting a company’s existing investment
in hardware, software, and trained personnel.
The increased speed and extra bandwidth offered by Gigabit Ethernet are
essential to coping with the network bottlenecks that frequently develop as
computers and their busses get faster and more users use applications that
generate more traffic. Upgrading key components, such as your backbone
and servers to Gigabit Ethernet can greatly improve network response
times as well as significantly speed up the traffic between your subnetworks.
Gigabit Ethernet enables fast optical fiber connections to support video
conferencing, complex imaging, and similar data-intensive applications.
Likewise, since data transfers occur 10 times faster than Fast Ethernet,
servers outfitted with Gigabit Ethernet NICs are able to perform 10 times
the number of operations in the same amount of time.
In addition, the phenomenal bandwidth delivered by Gigabit Ethernet is
the most cost-effective method to take advantage of today and tomorrow’s
rapidly improving switching and routing internetworking technologies.
Switching Technology
Another key development pushing the limits of Ethernet technology is in
the field of switching technology. A switch bridges Ethernet packets at the
MAC address level of the Ethernet protocol transmitting among connected
Ethernet or fast Ethernet LAN segments.
Switching is a cost-effective way of increasing the total network capacity
available to users on a local area network. A switch increases capacity and
decreases network loading by making it possible for a local area network
to be divided into different segments that do not compete with each other
for network transmission capacity, decreasing the load on each segment.
The switch acts as a high-speed selective bridge between the individual
segments. Traffic that needs to go from one segment to another (from one
port to another) is automatically forwarded by the switch, without
interfering with any other segments (ports). This allows the total network
capacity to be multiplied, while still maintaining the same network cabling
and adapter cards.
For Fast Ethernet or Gigabit Ethernet networks, a switch is an effective
way of eliminating problems of chaining hubs beyond the “two-repeater
limit.” A switch can be used to split parts of the network into different
collision domains, for example, making it possible to expand your Fast
Ethernet network beyond the 205-meter network diameter limit for
100BASE-TX networks. Switches supporting both traditional 10Mbps
Ethernet and 100Mbps Fast Ethernet are also ideal for bridging between
existing 10Mbps networks and new 100Mbps networks.
Switching LAN technology is a marked improvement over the previous
generation of network bridges, which were characterized by higher
latencies. Routers have also been used to segment local area networks, but
the cost of a router and the setup and maintenance required make routers
relatively impractical. Today’s switches are an ideal solution to most kinds
of local area network congestion problems.
Switch Description
The DGS-1016D/DGS-1024D Switch is equipped with 16 or 24 ports
providing dedicated 10, 100 or 1000 Mbps bandwidth. These ports can be
used for connecting PCs, printers, servers, routers, switches, and other
network devices. The 16/24 multi-speed ports use standard twisted pair
cabling and are ideal for segmenting networks into small, connected
subnets. Each port can support up to 2000 Mbps of throughput in fullduplex mode. This stand-alone switch enables the network to use some of
the most demanding multimedia and imaging applications concurrently
with other user applications without creating bottlenecks.
Features
The DGS-1016D/DGS-1024D 16/24-Port 10/100/1000BASE-T Gigabit
Ethernet Switch was designed for easy installation and high performance
in an environment where traffic on the network and the number of users
increase continuously.
• Sixteen (16) or twenty-four (24) 10/100/1000BASE-T Gigabit
Ethernet ports