DES-1008M Flex-Media Ethernet Switch User’s Guide Rev. 01 (October 1998) 6DES1008M.
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TABLE OF CONTENTS ABOUT THIS GUIDE .............................................................. 1 Terms.....................................................................................................1 Overview of the User’s Guide ................................................................1 PRODUCT OVERVIEW .......................................................... 3 UNPACKING AND COMPONENT IDENTIFICATION ...................... 5 Unpacking ........................................................
Network Design Notes.......................................................................... 17 Node Connections........................................................................................ 17 Cable Limitations ........................................................................................ 18 Making Twisted-Pair Attachments ....................................................... 19 Making Thin Coaxial Attachments .......................................................
DES-1008M User’s Guide ABOUT THIS G UIDE This guide discusses how to install the D-Link’s DES-1008M Flex-Media 10/100Mbps Ethernet Switch, work with its panels, and make network connections. Terms For simplicity, this documentation uses the terms “ Switch” (first letter upper case) to refer to the DES-1008M Flex-Media Ethernet Switch, and “ switch” (first letter lower case) to refer to all Ethernet switches, including the DES-1008M. Overview of the User’s Guide ♦ Chapter 1, Product Overview.
DES-1008M User’s Guide ♦ Appendix A, Technical Specifications. specifications of the Switch. Lists the technical ♦ Appendix B, Cables and Connectors. Provides specifications on cables and connectors. ♦ Appendix C, Slide-in Port Modules. Describes the various slide-in port modules that are supported by the Switch.
DES-1008M User’s Guide 1 P RODUCT O VERVIEW The Switch is a modularized 10/100Mbps Ethernet switch that offers users the ability to configure the number of network ports and port types, and to meet all media requirements and servers’ high throughput. The Switch provides four expansion slots, each of which supports one slidein port module with two network ports. Ports can vary from ordinary twisted-pair ports to BNC or fiber-optic ports depending on the installed modules.
DES-1008M User’s Guide ♦ Easy Installation Supporting all media types, auto-learning of network configuration, and requiring no configuration setting, the Switch allows workgroups to implement performance enhancement quickly and easily anywhere on the network. ♦ Powerful Performance The Switch supports wire-speed data filtering and forwarding rates, and large per-port MAC address routing table for efficient packet switching.
DES-1008M User’s Guide 2 UNPACKING AND COMPONENT I DENTIFICATION This chapter provides unpacking information and description on the various external components of the Switch. Unpacking Open the shipping carton of the Switch and carefully unpack its contents.
DES-1008M User’s Guide Inspect the Switch and all accompanying items. If any item is damaged or missing, report the problem immediately to your networking equipment dealer. NOTE: The base unit does not include any slide-in port modules. You need to purchase these modules separately from your networking equipment dealer. Identifying External Components This section identifies all the major external components of the Switch. It is divided into three sections with one diagram per section.
DES-1008M User’s Guide Refer to the Indicator Panel section (below) to identify the different status indicators and scales. ♦ Slots 1 to 4 Support the slide-in port modules. Each module provides two switched ports for maximum system configuration of eight switched ports. Depending on the installed modules, port types can vary from ordinary twisted-pair ports to BNC or fiber-optic ports.
DES-1008M User’s Guide ♦ 100M Indicator This LED lights green when the port is operating at 100Mbps. If the port is operating at 10Mbps, the speed indicator remains dark. ♦ Link/Act Indicator This LED lights green when the port is connected to a powered-on Ethernet/Fast Ethernet station. It blinks off briefly when information is transmitted or received on the port. Please note that when the BNC module is connected, the Link LED is not lit.
DES-1008M User’s Guide Rear Panel A C P ower C onnector I o A C L IN E 1 0 0 -2 0 0 V A C 5 0 -6 0 H z 1 . 0A M A X . USE ONL Y WI T H 2 50 V FUS E P ower Sw itch System F an F use C ase ♦ System Fan This fan is used to circulate air inside the Switch and also to dissipate heat. The sides of the system also provide heat vents to serve the same purpose. Do not block these openings, and ensure to leave adequate space at the rear and sides of the Switch for proper ventilation.
DES-1008M User’s Guide ♦ Power Switch Turns on and off the Switch. To turn on the system, slide this switch to the “ 1” position; to turn off, slide it to the “ 0” position.
DES-1008M User’s Guide 3 I NSTALLATION This chapter describes the installation requirements, rack mounting, installing slide-in port modules, turning on the system, and replacing the system fuse. Site Installation Installation Notes The Switch is suited for use in the office where it can be mounted in a standard 19-inch equipment rack or placed on desktops. Alternatively, the system can be rack-mounted in a wiring closet or equipment room.
DES-1008M User’s Guide ♦ The site is in a fairly cool and dry place. See Appendix A, Technical Specifications, for the acceptable temperature and humidity operating ranges. ♦ Air-flow around the system and through the heat vents on the sides of the case is not blocked. We recommend that you provide at least 25 mm (1 inch) clearance. ♦ No heavy objects are placed on the system.
DES-1008M User’s Guide 1. Repeat the same procedure to install the other mounting bracket on the other side of the Switch. 2. Insert the system in the 19-inch rack and secure it with the screws provided with the rack. Ensure that the heat vents are not obstructed. 3. Reconnect the cables.
DES-1008M User’s Guide Port Module Installation The Switch supports various slide-in port modules which can be installed into the slots to provide interface to different network media like twistedpair, thin coaxial cable, and fiber-optic cable. Four slide-in port modules are available for use with the Switch: DES-108FL, DES-108FX, DES-108TX, and DES-108C providing ST, SC, RJ-45, and BNC connectors, respectively.
DES-1008M User’s Guide To turn on the Switch, plug in the provided AC power cord into the power connector at the rear of the system, then slide the rocker power switch to the “ 1” position. After turning on the power, the Power indicator on the front panel turns on. It is not necessary to turn off the system when connecting or disconnecting cables; this applies to all types of connections. However, when installing, removing, or replacing system components, the power must be shut off.
DES-1008M User’s Guide damaged one. Doing so may cause serious damage to the Switch.
DES-1008M User’s Guide 4 MAKING NETWORK CONNECTIONS This chapter provides information on creating network connections to the Switch. Network Design Notes When adding a Switch into your network, take into consideration the information provided in this section. Node Connections There are some Ethernet switches that only support a single dedicated station per port. This prevents network designers from interconnecting shared-media hubs using this type of switches.
DES-1008M User’s Guide Cable Limitations When connecting network devices to the Switch, you must observe some rules on the allowable segment length and cable type to maintain networks within the set specifications. The table below lists the allowable segment lengths and cable types as specified by IEEE 802.3.
DES-1008M User’s Guide Making Twisted-Pair Attachments You can make twisted-pair attachments to the Switch by first installing DES-108TX modules. The system can be configured to have a maximum of eight switched twisted-pair ports. Each of these ports support N-Way or 100Mbps full-duplex force mode. Depending on the node you are connecting to a twisted-pair port, you will need either a straight or crossover twisted-pair cable.
DES-1008M User’s Guide 3. If the server is connected to the module and it supports 100Mbps full-duplex mode but does not have N-Way capability, then the 108TX module can be forced into 100Mbps full-duplex mode to make the bandwidth aggressive. 4. Repeat the same procedure to connect the other nodes. After making the connection, the Link indicator of the port should turn on to show a successful link (assuming that both devices are on).
DES-1008M User’s Guide NOTES: You do not need to turn off the Switch when making network connections; just plug in the cables into the ports. When terminating a port, use either the onboard termination or a 50-ohm BNC terminator. DO NOT use both as this will cause network errors. Follow these steps to make thin coaxial attachments to the Switch, 1. Depending on the number of BNC attachments you want to create, install the appropriate number of DES-108C modules into the Switch.
DES-1008M User’s Guide You may also use a 50-ohm BNC terminator if you wish. However, only one of these termination methods can be used at a time. 6. Repeat the same procedure to connect the other nodes. For information about the indicators on the slide-in port modules, see Appendix C, Slide-in Port Modules.
DES-1008M User’s Guide Making Fiber Attachments If the node you intend to connect is located at a remote area, you may use fiber optics to link this device to the Switch. Fiber attachment to the system is available through both the DES-108FL and DES-108FX modules. These modules come with two switched fiber-optic ports, providing fiber links to remote nodes. Each fiber-optic port on these two modules comes with two connectors; one for reception (Rx) and the other for transmission (Tx).
DES-1008M User’s Guide 4. Remove the protective covers from the connectors of the selected port. 5. Using the fiber cable, connect the Rx connector of the selected port to the Tx connector of the node. Then, connect the Tx connector of the port to the Rx connector of the node. 6. Repeat the same procedure to connect the other nodes.
DES-1008M User’s Guide A TECHNICAL S PECIFICATIONS Standards IEEE 802.3 10BASE2, 10BASE-T, 10BASE- Protocol CSMA/CD Data Transfer 10/100 Mbps FL Ethernet, 10/100BASE-T, 100BASE-FX Rate Topologies: 10/100BASE-T, Star 10BASE-FL, 10BASE-FX 10BASE2 Bus Network Cables: 10BASE2 RG58A/U 50-ohm thin coaxial (185 10/100BASE-T meters max.) Two-pair UTP Category 3, 4, 5 (100 meters max.) for 10BASE-T and Category 4 & 5 for 100BASE-T (100 10BASE-FL meters max.
DES-1008M User’s Guide 62.5/125 µm multimode fiber cable, SC connectors (2 km max.) Number of Ports Maximum of 8 switched ports Number of Slots Four Number of Two Ports/ Slot Transmission Store-and-forward Method Queue Buffer 1004 packets per 2 ports Routing Table Up to 8K per device MAC Address Automatic Learning Packet 14,880 pps per port Filtering Rate Packet 14,880 pps per port Forwarding Rate AC Input 100V ~ 240V AC, 50 ~ 60 Hz Power 40 W (max.
DES-1008M User’s Guide Safety Technical Specifications UL (UL 1950), TUV/GS (EN60950) 27
DES-1008M User’s Guide B CABLES AND CONNECTORS 10/100BASE-T Twisted-Pair Cable ♦ Cable characteristics: 0.4 - 0.
DES-1008M User’s Guide Contact 1 2 3 4 5 6 7 8 RJ-45 Connector Media Direct Interface Signal Rx + (transmit) Rx - (transmit) Tx + (receive) Not used Not used Tx - (receive) Not used Not used 10BASE2 Thin Coaxial Cable ♦ Cable characteristics: 0.2 inch diameter RG-58A/U 50 ohms ♦ Maximum segment length: 185 meters ♦ Maximum distance between two nodes: 0.
DES-1008M User’s Guide 10BASE-FL/100BASE-FX FiberOptic Cable ♦ Cable characteristics: 62.
DES-1008M User’s Guide C S LIDE - IN P ORT MODULES The Switch supports four types of slide-in port modules, DES-108TX, DES108C, DES-108FL, and DES-108FX. These modules provide various ports for connection to different network media like twisted-pair, thin coaxial cable, and fiber-optic cable. This appendix describes each module. DES-108TX This module provides two switched twisted-pair ports or connection to twisted-pair segments. Each port supports N-Way and 100Mbps full-duplex operations.
DES-1008M User’s Guide DES-108C This module provides two switched BNC ports for connection to thin coaxial segments. Each port can be terminated without the use of an external 50-ohm BNC terminator, via the on-board DIP switches. To enable the port’s termination, slide its respective DIP switch to the ON position. This module also provides LED indicators for displaying the termination status for the ports. This indicator turns on when the port’s termination is enabled; otherwise, it is off.
DES-1008M User’s Guide DES-108FL This Fiber-Optic Inter-Repeater Link (FOIRL) module provides two switched fiber-optic ports for creating fiber-optic links. Each of these ports has two connectors; one for reception (Rx) and another for transmission (Tx). When creating a link, ensure that the Rx connectors connect to the Tx connectors, and vice versa. Each connector comes with a protective cover to prevent dust from accumulating inside the connector.
DES-1008M User’s Guide To set a port to full- or half-duplex mode, first power down the device. For half-duplex mode on port 1, use a minijumper to interconnect pins 1 and 4 of jumper pad JP1 (this is the factory default setting). For half-duplex mode on port 2, use a minijumper to interconnect pins 2 and 3 of JP1. For full-duplex mode on port 1, disconnect the minijumper from pins 1 and 4 of JP1, and for full-duplex mode on port 2, disconnect the minijumper from pins 2 and 3 of JP1.
DES-1008M User’s Guide I NDEX 10/100BASE-T Twisted-Pair Cable, 27 10BASE-FL/100BASE-FX FiberOptic Cable, 28 10BASE2 Thin Coaxial Cable, 28 100M Indicator, 8 Eight-User Configurable Ports, 3 F FDX/Col Indicator, 8 Front Panel, 6 Fuse Case, 9 A AC Power Connector, 9 B Bandwidth Boost, 3 C Cable Limitations, 18 Cables and Connectors, 27 Comprehensive LED Indicators, 4 Connecting Power, 14 D DES-108C, 30 DES-108FL, 31 DES-108FX, 31 DES-108TX, 29 E Easy Installation, 4 Index I Identifying External Compo
DES-1008M User’s Guide P Port Module Installation, 14 Power Indicator, 7 Power Switch, 9 Powerful Performance, 4 Product Overview, 3 R Rack Mounting, 12 Rear Panel, 9 Replacing the Fuse, 15 Slide-In Port Modules, 29 Slots 1 to 4, 7 System Fan, 9 T Technical Specifications, 25 U Unpacking, 5 Unpacking and Component Identification, 5 S Site Installation, 11 34 Index
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