D-Link DSS-5+ Manuale utente
D-Link DSS-5+
5-port 10/100 Ethernet Switch
Manual
Rev. 101404w
Building Networks for People
ii
TABLE OF CONTENTS
ABOUT THIS GUIDE ...................................................................................................................1
PURPOSE .......................................................................................................................................1
INTRODUCTION ..........................................................................................................................2
FAST ETHERNET TECHNOLOGY ....................................................................................................2
SWITCHING TECHNOLOGY............................................................................................................2
FEATURES .....................................................................................................................................4
UNPACKING AND SETUP..........................................................................................................6
UNPACKING ..................................................................................................................................6
SETUP ............................................................................................................................................6
IDENTIFYING EXTERNAL COMPONENTS..........................................................................7
FRONT PANEL ...............................................................................................................................7
LED INDICATORS .........................................................................................................................7
REAR PANEL .................................................................................................................................8
CONNECTING THE SWITCH ...................................................................................................9
PC TO DSS-5+ ..............................................................................................................................9
HUB TO DSS-5+............................................................................................................................9
DSS-5+ TO OTHER DEVICES .........................................................................................................9
PORT SPEED & DUPLEX MODE...................................................................................................10
MOUNTING THE SWITCH ON A WALL..............................................................................11
TECHNICAL SPECIFICATIONS.............................................................................................12
RJ-45 PIN SPECIFICATION .....................................................................................................14
WARRANTY ................................................................................................................................15
P/N:1907DSS5+1*6009
1
ABOUT THIS GUIDE
Congratulations on your purchase of the D-Link DSS-5+. This device
integrates 100Mbps Fast Ethernet and 10Mbps Ethernet network
capabilities in one high-performance, easy-to-use solution.
Purpose
This manual will familiarize you with the DSS-5+ and guide you through
the installation process.
2
INTRODUCTION
Fast Ethernet Technology
The growing importance of LANs and the increasing complexity of
desktop computing applications are fueling the need for high performance
networks. 100BASE-T (Fast Ethernet) provides a cost-effective and high-
performance solution for small workgroups, SMBs (Small to Medium
Businesses), and any network supporting bandwidth-intensive applications.
Fast Ethernet technology operates at 10 times the speed of traditional
Ethernet, offering maximum performance and enhanced capability for
existing Ethernet-based networks.
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
CSMA/CD Ethernet protocol. Since the 100Mbps Fast Ethernet is
compatible with all other 10Mbps Ethernet environments, it provides a
straightforward upgrade and takes advantage of the existing investment in
hardware, software, and personnel training.
Switching Technology
Switching is a cost-effective way of increasing the total network capacity
available to users on a LAN. If an Ethernet network begins to display
symptoms of congestion, low throughput, slow response times, and high
rates of collision, installing a switch to a network can preserve much or all
of the existing network's cabling and workstation interface card
infrastructure, while still greatly enhancing the throughput for users. A
switch is a viable solution even if demanding applications, such as
multimedia production and video conferencing, are on the horizon. The
most promising techniques, as well as the best return on investment, could
well consist of installing the right mixture of Ethernet switches.
A switch increases capacity and decreases network loading by dividing a
local area network into different LAN segments. Dividing a LAN into
multiple segments is one of the most common ways of increasing available
3
bandwidth. If segmented correctly, most network traffic will remain within
a single segment, enjoying the full-line speed bandwidth of that segment.
Switches provide full-line speed and dedicated bandwidth for all
connections. This is in contrast to hubs, which use the traditional shared
networking topology, where the connected nodes contend for the same
network bandwidth. When two switching nodes are communicating, they
are connected with a dedicated channel between them, so there is no
contention for network bandwidth with other nodes. As a result, the switch
reduces considerably, the likelihood of traffic congestion.
For Ethernet networks, a switch is an effective way of eliminating the
problem of chaining hubs beyond the “two-repeater limit.” A switch can
be used to split parts of the network into different collision domains,
making it possible to expand your Ethernet network beyond the 205-meter
network diameter limit for 100BASE-TX networks. Switches supporting
both 10Mbps Ethernet and 100Mbps Fast Ethernet are also ideal for
bridging between existing 10Mbps networks and newer 100Mbps
networks.
Switching LAN technology is a marked improvement over the previous
generation of network hubs and bridges, which were characterized by
higher latencies. Routers have also been used to segment local area
networks, but the cost of a router, the setup and maintenance required,
make routers relatively impractical. Today switches are an ideal solution
to most kinds of local area network congestion problems.
4
Features
The DSS-5+ is a high performance switch designed specifically for
environments where traffic on the network and the number of users
increase continuously.
The DSS-5+, with its small, compact size, was specifically designed for
small to mid-sized workgroups. The DSS-5+ can be installed where space
is limited; moreover, it provides immediate access to a rapidly growing
network through a wide range of user-reliable functions.
The DSS-5+ is ideal for deployment with multiple high-speed servers for
10Mbps or 100Mbps shared-bandwidth workgroups. With the highest
bandwidth at 200Mbps (100Mbps full-duplex mode), any port can provide
workstations with a congestion-free data pipe for simultaneous access to
the server.
The DSS-5+ is scalable, allowing two or more DSS-5+s to be cascaded
together. Since all ports support 200Mbps, any one of its five ports may
be used to cascade to an additional switch to open a Full-Duplex Fast
Ethernet pipe.
The DSS-5+ is the perfect choice for a department or office planning to
upgrade to Fast Ethernet. The DSS-5+ can accommodate 10Mbps or
100Mbps devices, providing a flexible solution for existing (10Mbps)
Ethernet workgroups.
The DSS-5+ combines dynamic memory allocation with store-and-
forward switching to ensure that the buffer is effectively allocated for each
port; and it controls the data flow between the transmit and receive nodes
to guarantee against possible packet loss.
The DSS-5+ is an unmanaged 10/100Mbps Fast Ethernet switch that
offers solutions for the accelerating bandwidth needs of small Ethernet
workgroups.
Other key features include:
Store-and-forward switching scheme capability. As the result of
complete frame checking and error frame filtering, this scheme
prevents error packages from transmitting among segments.
5
Auto-MDI/MDI-X function supports automatic MDI/MDI-X
crossover detection, giving true ‘plug and play’ capability—Crossover
or Straight-Through CAT5 cables can be plugged into any port.
Nway Auto-negotiation for any port. This allows for auto-sensing of
speed (10/100Mbps), providing an automatic and flexible solution for
the network.
Flow control for any port. This minimizes dropped packets by sending
out collision signals when the port’s receiving buffer is full.
Data filtering rate eliminates all error packets, runts, etc., per port at
wire-speed for 100Mbps operation and 10Mbps operation.
6
UNPACKING AND SETUP
Unpacking
Open the box and carefully unpack it. The box should contain the
following items:
One DSS-5+ 5-port 10/100Mbps Ethernet Switch
One External Power Adapter
Four Rubber Feet
This Manual
If any item is missing or damaged, please contact your local reseller for a
replacement.
Setup
The setup of the DSS-5+ can be performed using the following steps:
The power outlet should be within 1.82 meters (6 feet) of the Switch.
Visually inspect the DC power jack and make sure that it is fully
secured to the power adapter.
Do not cover the ventilation holes on the sides of the Switch, and
make sure there is adequate ventilation around it.
Do not place heavy objects on the switch.
7
IDENTIFYING EXTERNAL COMPONENTS
Front Panel
The figure below shows the front panel of the DSS-5+.
DSS-5+ 10/100Mb Fast Ethernet Switch
LED Indicators
Power Indicator (PWR):
This green indicator light is on when the DSS-5+ is receiving power;
otherwise, it is off.
Collision :
As collision occur on any port of the Switch it will blink. Collisions
are normal in an Ethernet network.
100Mbps Link/Activity, 10Mbps Link/Activity Indicator
(100 Link/Act (green), 10 Link/Act (amber):
This LED indicator light is green when the port is connected to a
100Mbps Fast Ethernet station. The green indicator blinks as Fast
Ethernet data is transmitted or received. The indicator light is amber
when the port is connected to a 10Mbps Ethernet station, or other
network device. The amber indicator blinks as Ethernet data is
transmitted or received.
8
Rear Panel
Auto MDI/MDI-X Ports:
All ports support automatic MDI/MDI-X crossover detection. The
AutoMDI/MDI-X function makes it simple to connect to the switch—just
plug either a Crossover or Straight-Through CAT5 cable into any port.
DC Power Jack:
Power is supplied through an external DC power adapter. Check the
technical specification section for information about the DC power input
voltage.
Since the DSS-5+ does not require a power button, plugging its power
adapter into a power outlet will immediately power it on.
DSS-5+ 10/100Mb Fast Ethernet Switch
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