D-link DSS-16+ User Manual

D-Link DSS-16+
16-port 10/100 Ethernet Switch
Manual
Rev. 072104
Building Networks for People
Ver.1.00
TABLE OF CONTENTS
ABOUT THIS GUIDE ................................................................1
PURPOSE.............................................................................1
TERMS/USAGE....................................................................1
OVERVIEW OF THIS USERS GUIDE ....................................1
INTRODUCTION .......................................................................2
FAST ETHERNET TECHNOLOGY..........................................2
SWITCHING TECHNOLOGY .................................................3
FEATURES...........................................................................4
UNPACKING AND SETUP .......................................................5
UNPACKING........................................................................5
SETUP .................................................................................5
DESKTOP INSTALLATION....................................................6
RACK MOUNTING...............................................................6
IDENTIFYING EXTERNAL COMPONENTS........................8
TECHNICAL SPECIFICATION ............................................10
WARRANTY..............................................................................12
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ABOUT THIS GUIDE
Congratulations on your purchase of the DSS-16+ 16-port 10/100Mbps Auto-negotiation Fast Ethernet Switch. This device integrates 100Mbps Fast Ethernet and 10Mbps Ethernet network capabilities in a highly flexible package.
Purpose
This guide discusses how to install your DSS-16+.
Terms/Usage
In this guide, the term “Switch” (first letter upper case) refers to DSS-16+ 16-port 10/100Mbps Fast Ethernet Switch, and “switch” (first letter lower case) refers to other Ethernet switches.
Overview of this User’s Guide
Introduction. Describes the Switch and its features. Unpacking and Installation. Helps you get started with the basic installation
of the Switch. Identifying External Components. Describes the front panel, rear panel and
LED indicators of the Switch. Technical Specifications. Lists the technical (general, physical and
environmental, and performance) specifications of the Switch.
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INTRODUCTION
This chapter describes the features of the DSS-16+ and some background information about Ethernet/Fast Ethernet switching 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 have been proposed to provide greater bandwidth and improve client/server response times. Among them, 100BASE-T (Fast Ethernet) provides a non-disruptive, smooth evolution from the current 10BASE-T technology. The non-disruptive and smooth evolution nature, and the dominating potential market base, virtually guarantee cost-effective and high-performance Fast Ethernet solutions in the years to come.
100Mbps Fast Ethernet is a new 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.
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Switching Technology
Another approach to pushing beyond the limits of Ethernet technology is the development 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 dividing a local area network into different segments, which don’t compete with each other for network transmission capacity.
The switch acts as a high-speed selective bridge between the individual segments. The switch, without interfering with any other segments, automatically forwards traffic that needs to go from one segment to ano ther. By doing this the total network capacity is multiplied, while still maintaining the same network cabling and adapter cards.
For Fast 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, 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 the existing 10Mbps networks and the 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, the setup and maintenance required make routers relatively impractical. Today switches are an ideal solution to most kinds of local area
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network congestion problems.
Features
The DSS-16+ is designed for easy installation and high performance in an environment where traffic on the network and the number of users increase continuously.
16-port 10/100BASE Ethernet Switch with RJ-45 connectors Supports Auto-negotiation of speed and duplex modes for each port Supports Auto-MDI/MDI-X for each port Wire speed reception and transmission Store-and-Forward switching method Integrated address Look-Up Engine, supports 8K absolute MAC
addresses
Supports 4MBits RAM for data buffering Front-panel diagnostic LEDs Broadcast storm protection IEEE 802.3x flow control for full-duplex Back pressure flow control for half-duplex
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