DES-1024D 24-Port 10/100 Ethernet Switch User’s Guide Rev.
TABLE OF C ONTENTS About This Guide ......................................................... 1 PURPOSE ..........................................................................................1 TERMS/USAGE .................................................................................1 OVERVIEW OF THIS USER’S GUIDE ................................................1 Introduction .................................................................. 2 FAST ETHERNET TECHNOLOGY ..............................
A BOUT T HIS G UIDE Congratulations on your purchase of the DES-1024D 24-port 10/100Mbps Fast Ethernet Switch. This device integrates 100Mbps Fast Ethernet and 10Mbps Ethernet network capabilities into one highly flexible solution. Purpose This guide discusses how to install your DES-1024D. Terms/Usage In this guide, the term “Switch” (first letter upper case) refers to your 24-port 10/100Mbps Fast Ethernet Switch, and ”switch” (first letter lower case) refers to other Ethernet switches.
I NTRODUCTION This chapter describes the features of the DES-1024D and some background information about Ethernet/Fast Ethernet switching technology. Fast Ethernet Technology Ethernet, along with its speedier counterpart Fast Ethernet, is the most popular networking standard in use today. 100BaseT Fast Ethernet is an extension of the 10BaseT Ethernet standard, designed to raise the data transmission capacity of 10BaseT from 10Mbits/sec to 100Mbits/sec.
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 an 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.
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. Features The DES-1024D is a high-performance switch designed specifically for environments where traffic on the network and the number of users increase continuously.
U NPACKI NG AND S ETUP Unpacking Open the shipping cartons of the DES-1024D and carefully unpack its contents. The carton should contain the following items: One DES-1024D 24-port 10/100Mbps Fast Ethernet Switch One AC power cord Four rubber feet to be used for shock cushioning Screws and two mounting brackets Quick Installation Guide Manual If any item is found missing or damaged, please contact your local reseller for replacement.
Desktop Installation When installing the DES-1024D on a desktop or shelf, the rubber feet included with the device should be attached first, to minimize scratching or scarring of the surface on which the Switch is placed. Attach these cushioning feet on the bottom at each corner of the device. Allow enough ventilation space between the device and the objects around it.
Installing the Switch in an equipment rack 7
I DENTIFYING E XTERNAL C OMPONENTS Front Panel The figure below shows the front panels of the switch. 24-port 10/100Mbps Fast Ethernet Switch LED Indicator Panel Refer to the next chapter for detailed information about each of the switch’s LED indicators. Power (PWR) This green LED indicator illuminates when the switch is receiving power; otherwise, it is off.
100Mbps (green) This green LED indicator illuminates when the port is connected to a 100Mbps Fast Ethernet station. The LED does not illuminate when the port is connected to 10Mbps Ethernet station. Twisted-Pair Ports These ports support automatic MDI/MDIX crossover detection function providing true ‘plug and play’ connectivity, which eliminates the need for crossover cables or uplink ports.
T ECHNICAL S PECI FICATIONS General Standards IEEE 802.3 10BASE-T Ethernet IEEE 802.3u 100BASE-TX Fast Ethernet Protocol CSMA/CD Data Transfer Rate Ethernet: 10Mbps (half duplex), 20Mbps (full-duplex) Fast Ethernet: 100Mbps (half duplex), 200Mbps (full- duplex) Topology Star Network Cables 10BASET: 2-pair UTP Cat. 3,4,5, EIA/TIA- 568 100-ohm STP 100BASE-TX: 2-pair UTP Cat.
T ECHNICAL S PECI FICATIONS Performance Transmits Method: Store-and-forward RAM Buffer: 2.
