Amer Networks SD8N network switch
Contents
1. 9 Amer com SD8n 8 Port NWay 10 100Mbps Fast Ethernet Switch User s Guide Version 1 0 P N ATSD8 9904 Rev A This User s Guide contains important information regarding the installation of your 10 100Mbps Switch Please read it completely before attempting to install your Network switch For future reference record the serial number of your network switch in the space below SERIAL Number The serial number is located on the bottom of the switch Amer com 7259 Bryan Dairy Road Largo FL 33777 Amer com 1999 All rights reserved No part of this publication may be reproduced in any form or by any means or used to make any derivative such as translation transformation or adaptation without permission from Amer com as stipulated by the United States Copyright Act of 1976 Amer com reserves the right to make changes to this document and the products which it describes without notice Amer com shall not be liable for technical or editorial errors or omissions made herein nor for incidental or consequential damages resulting from the furnishing performance or use of this material United States Government Legends If you are a United States government agency then this publication is provided subject to the following restricted rights For units of the Department of Defense Restricted Rights Legend Use duplication or disclosure by the Government is subject to restrictions as set forth in subparagrap2. 100M Link Activity 10M Link Activity 100M LINK ACT green 1OLINK ACT amber This indicator lights green when the port is connected to a 100Mbps Fast Ethernet station It also blinks green when transmitting or receiving data on the 100Mbps network Otherwise if the indicator lights amber then the port is connected to a 10Mbps Ethernet station and blinks amber when transmitting or receiving data on the 10Mbps network No light represents no connection 12 CONNECTING THE SWITCH This chapter describes how to connect the Switch to your Fast Ethernet network In each of the following figures the 8 port 10 100M NWay Fast Ethernet Switch is shown PC to Switch A PC can be connected to the Switch via a two pair Category 3 4 5 UTP STP straight cable Cat 5 must be used for 100Mbps The PC equipped with a RJ 45 10 100Mbps phone jack should be connected to any of the 8 ports 1x 8x of the 8 port Switch The LED indicators for the PC connection are dependent on the LAN card capabilities If LED indicators are not lit after making a proper connection check the PC LAN card the cable the Switch conditions and connections The following are LED indicator possibilities for a PC to Switch connection 1 The 100LINK ACT 10LINK ACT LED indicator lights green for hookup to 100Mbps speed or lights amber for hookup to 10Mbps 13 speed 2 The FDX 10 100 COLL 10 100 LED indicator depends upon LAN card capabili
3. 10 100M NWay Fast Ethernet Switch One external power adapter This User s Guide If any item is found missing or damaged please contact your dealer for replacement Setup The setup of the Switch can be performed using the following steps The surface e g table top must support at least 1 5 kg for the Switch s weight 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 Make sure that there is proper heat dissipation and adequate ventilation around the Switch Do not place heavy objects on the Switch IDENTIFYING EXTERNAL COMPONENTS This section identifies all the major external components of the hub Both the front and rear panels are shown followed by a description of each panel feature The indicator panel is described in detail in the next chapter Front Panel The figure below shows the front panel of the switch 8 Port NWay Switch 8 PRO 100LInK AcE 10Lhk Act O O eFpx10910 eco 10100 8 port Fast Ethernet 10 100M NWay Switch LED Indicator Panel Refer to the LED Indicator section for detailed information about each of the hubs LED indicators Rear Pane Uplink 8X 7X 12 5 5X o Jacks 1 MDI Jack DC Power Jack 8 port Fast Ethernet 10 100M NWay Switch DC Power Jack Power is supplied through an external
4. AC power adapter Check the technical Specification section for information about the AC power input voltage Since the switch does not include a power switch plugging its power adapter into a power outlet will immediately power it on MDI X Jacks Use these Jacks to connect stations to the hub These are MDI X Medium Dependent Interface Cross wired jacks which mean you can use ordinary straight through twisted pair cables to connect user machines and servers to the hub through them If you need to connect another device with an MDI X jack such as another hub or an Ethernet switch you should use a crossover cable or make the connection using the MDI X jack described below For more information about crossover connections 10 Uplink Jack s MDI II Use this jack to connect stations to the hub This is MDI II Medium dependent Interface straight wired jack which means you can connect the hub to a device with a MDI X port using an ordinary straight through cable making a crossover cable unnecessary 11 LED Indicators Power Indicator PWR This indicator lights green when the hub 13 receiving power otherwise it is off Full Half Duplex 10 100M Collision FDX10 100 green COLL 10 100 amber This LED 1ndicator lights green when a respective port is in full duplex FDX mode Otherwise it is OFF for half duplex HDX operation It will blink amber when collisions are occurring on the respective port
5. Ethernet workgroup bandwidth Other key features are Uplink MDI II media dependent interface port for uplink to another switch hub or repeater 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 NWay Auto negotiation for any port This allows for auto sensing of speed 10 100Mbps thereby providing you with automatic and flexible solutions for your network connections Flow control for port This minimizes dropped packets by sending out collision signals when the port s receiving buffer is full Note that flow control is only available in half duplex mode Data forwarding rate per port is at wire speed for 100Mbps speed Data forwarding rate per port is at wire speed for 10Mbps speed Data filtering rate eliminates all error packets runts etc per port at wire speed for 100Mbps speed Data filtering rate eliminates all error packets runts etc per port at wire speed for 10Mbps speed Up to 8K active MAC address entry table per port with self learning and table aging for 8 port model 512 KB RAM buffer per device for 8 port model UNPACKING AND SETUP This chapter provides unpacking and setup information for the Switch Unpacking Open the shipping carton of the Switch and carefully unpack its contents The carton should contain the following items One 8 port
6. USAGE RA es HI OVERVIEW OF THIS USER S GUIDE IV es ce peto oe eR rh aee borse an aras 1 FAST ETHERNET TECHNOLOGY eene 1 SWITCHING TECHNOLOGY eee eee nnn nnn 2 FEATURES uoto eae eae eee 4 UNPACKING AND SETUB 6 E 7 SETUP na gn aS S 7 IDENTIFYING EXTERNAL COMPONENTS 9 ERONTPANEE aaa anisum a asus aqya sqa 9 REAR PANEL un aaa aa u aun ETE a eco 9 LED INDICATORS u u unu aa lu a eroe e 12 CONNECTING THE SWITCHNHA 13 PC TOS WITGCH een nO BER D u Nn eas 13 HUB TO SWITCH 14 JOBASE T Hub see iere e teer ehe REG 14 B LOOBASE TX Hub 14 HUB WITHOUT UPLINK MDI II PORT 15 A Using straight cable eee 15 B Using crossover cable esee 15 SWITCH TO SWITCH OTHER DEVICES 15 A Using straight cable esse 16 B Using crossover cable see 16 PORT SPEED amp DUPLEX MODE eee 16 TECHNICAL SPECIFICA TIONS 19 RJ 45 PIN SPECIFICATION 21 ABOUT THIS GUIDE Congratulations on
7. for 100Mbps A Using straight cable When using straight cable this is done from the uplink MDI ID port of the Switch Switch A to any of the 10Mbps or 100Mbps MDI X ports of the other switch switch B or other devices B Using crossover cable When using crossover cable this is done from any MDI X port of the Switch Switch A to any of the 10Mbps 100Mbps MDI X ports of the other switch switch B or other device 1 The 100LINK ACT 10LINK ACT LED indicator lights green for hookup to 100Mbps speed or lights amber for hookup to 10Mbps speed 2 The FDX 10 100 COLL 10 100 LED indicator depends upon LAN card capabilities for full duplex or half duplex Port Speed amp Duplex Mode After plugging the selected cable to a specific port the system uses auto negotiation to determine the 16 transmission mode for any new twisted pair connection If the attached device does not support auto negotiation or has auto negotiation disabled an auto sensing process is initiated to select the speed and set the duplex mode to half duplex 17 TECHNICAL SPECIFICATIONS General Standards IEEE 802 3 10Base T Ethernet IEEE 802 3u 100 Base TX Fast Ethernet ANSI IEEE Std 802 3 NWay auto negotiation Protocol CSMA CD Data Ethernet 10Mbps half duplex 20Mbps full Transfer duplex Rat 7 Fast Ethernet 100Mbps half duplex 200Mbps full duplex General Network 10BASET 2 pair UTP Cat 3 4 5 100
8. your purchase of the SD8n Fast Ethernet 8 port 10 100M NWay Switch This device integrates 100Mbps Fast Ethernet and 10Mbps Ethernet network capabilities in a highly flexible desktop package Purpose This manual discusses how to install your SD8n Fast Ethernet 8 port 10 100M NWay Switch Terms Usage In this guide the term Switch first letter upper case refers to your SD8n Fast Ethernet 8 port 10 100M NWay Switch and switch first letter lower case refers to other Ethernet switches ili Overview of this User s Guide Chapter 1 Introduction Describes the Switch and its features Chapter 2 Unpacking and Setup Helps you get started with the basic installation of the Switch Chapter 3 Identifying External Components Describes the front panel rear panel and LED indicators of the Switch Chapter 4 Connecting the Switch how you can connect the Switch to your Ethernet network Appendix A Technical Specifications Lists the technical general physical and environmental and performance specifications of the Switch Appendix B RJ 45 Pin Specification Describes the RJ 45 receptacle connector and the straight and crossover cable connector INTRODUCTION This chapter describes the features of the Switch and some background information about Ethernet Fast Ethernet switching technology Fast Ethernet Technology The growing importance of LANs and the increasing complexity of desktop comp
9. during the warranty period you may contact the Amer com Service Center at Telephone 727 540 0505 Facsimile 727 540 0405 Service Center Amer com 7259 Bryan Dairy Road Largo FL 33777 U S A FCC Warning This equipment has been tested and found to comply with the regulations for a Class B 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 B product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures um LORE PRUBRESE RE VCC OEE CEKA ORETEENRCE ACE Bon CORSICA SO SURGE PTS P N ATSD8 9904A TABLE OF CONTENTS ABOUT THIS GUIDE III PURPOSB z ee T ERST HI TERMS
10. ent where traffic on the network and the number of users increase continuously The Switches with their small compact size were specifically designed for small to middle range workgroups These Switches can be installed where space is limited moreover they provide immediate access to a rapidly growing network through a wide range of user reliable functions The Switches are ideal for deployment with multiple high speed servers for shared bandwidth 10Mbps or 100Mbps workgroups With the highest bandwidth 200Mbps 100Mbps full duplex mode any port can provide workstations with a congestion free data pipe for simultaneous access to the server The Switches are expandable by cascading two or more switches together As all ports support 200Mbps the Switches can be cascaded from any port and to any number of switches The Switches are a perfect choice for site planning to upgrade to Fast Ethernet in the future Ethernet workgroups can connect to the Switches now and change adapters and hubs anytime later without needing to change the Switches or reconfigure the network The Switches combine dynamic memory allocation with store and forward switching to ensure that the buffer is effectively allocated for each port while controlling the data flow between the transmit and receive nodes to guarantee against all possible packet loss The Switches are an unmanaged 10 100 Fast Ethernet Switch that offers solutions in accelerating small
11. h c 1 ii for Restricted Rights in technical Data and Computer Software clause at 48 C F R 52 227 7013 For civilian agencies Restricted Rights Legend Use reproduction or disclosure is subject to restrictions set forth in subparagraph a through d of the Commercial Computer Software Restricted Rights Clause at 48 C F R 52 227 19 and the limitations set forth in Amer com Networks Corp s standard commercial agreement for the software Unpublished rights reserved under the copyright laws of the United States Amer com is a registered trademark of Amer com All other trademarks and trade names are properties of their owners Limited Lifetime Warranty In the event of a defect in quality or workmanship Amer com will repair or replace any hardware product sold by Amer com with new or reconditioned parts free of charge in North America for a limited lifetime period unless otherwise specified on the sales invoice from the date of original purchase All removed parts become the property of Amer com All replaced parts assume the original warranty This warranty is extended only to the original purchaser Proof of purchase will be required before warranty service is provided This warranty covers only failures due to defects in quality or workmanship that occur during normal use It does not cover damage that occurs in shipment electrical storms floods dropped or other acts of nature This warranty also does not cover any failure
12. local area network into different segments which dont 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 another 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 1OOBASE 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 network congestion problems Features The Switches were designed for easy installation and high performance in an environm
13. m EIA TIA Cables 568 100 ohm STP 100 m 100BASE TX 2 pair UTP Cat 5 100 m EIA TIA 568 100 ohm STP 100 m Number 8 port 8 x 10 100Mbps ports of Ports Uplink MDLII RJ 45 shared with port 1 Port 19 Physical and Environmental DC inputs Power Consumption Temperature Humidity Dimensions EMI Transmissi Method RAM Buffer Filtering Address Table Packet Filtering For warding Rate MAC Address Learning DC12V 1 5A 18 watt max Operating 0 50 C Storage 10 70 C Operating 10 90 Storage 5 90 171 x 98x 29 mm Wx H x D FCC Class B Mark B Performance Store and forward 8 port 512Kbytes per device 8 port Up to 8K entries per device 10Mbps Ethernet 14 880 pps 100Mbps Fast Ethernet 148 800 pps Automatic update 20 RJ 45 PIN SPECIFICATION When connecting your 8 port 10 100M NWay Fast Ethernet Switch to another switch a bridge or a hub a modified crossover cable is necessary Please review these products for matching cable pin assignment The following diagram and tables show the standard RJ 45 receptacle connector and their pin assignments for the switch to network adapter card connection and the straight crossover cable for the Switch to switch hub bridge connection The standard cable RJ 45 pin assignment 21 The standard RJ 45 receptacle connector The following shows straight cable and crosso
14. that results from accident misuse abuse neglect mishandling misapplication alteration faulty installation modification computer virus improperly installed or faulty software or service by anyone other than an Amer com Service Technician If there is evidence that the failure was due to user negligence Amer com has the right to void this warranty and or charge normal service rates for the subject repair The limited warranty covers a one 1 year period from date of purchase on Power Supplies AC Adapters amp Fans after the 1 year a cost for replacement is applied to all products requiring such parts Amer com is not responsible for any type of data loss on hard drive or other storage devices Warranty Service can be obtained during the warranty period by shipping freight prepaid or delivering the product to Amer com in either the original package or a similar package providing an equal degree of protection Amer com will perform the required service and return the unit to the user freight prepaid if applicable via the same mode i e ground air etc Limits and Expectations There are no express warranties except as listed above Network products by Amer com shall not be liable for incidental or consequential damages resulting from the use of this product Any future upgrades including but not limited to hardware and software are not covered by this limited warranty If a hardware problem with this product develops
15. ties for full duplex or half duplex Hub to Switch A hub 10 or 100BASE TX can be connected to the Switch via a two pair Category 3 4 5 UTP STP straight cable Cat 5 must be used for 100Mbps The connection is accomplished from the hub uplink MDI II port to any of the Switch MDI X ports 1x 8x for the 8 port 10 100 Fast Ethernet Switch A 10BASE T Hub For a 10 hub the Switch LED indicators should light up as the following 1 FDX 10 100 COLL 10 100 LED indicator is OFF 2 100LINK ACT 10LINK ACT LED indicator is lit amber B 100BASE TX Hub For a 100BASE TX hub the Switch LED indicators 14 should light up as the following 1 FDX 10 100 COLL 10 100 LED indicator is OFF 2 100LINK ACT 10LINK ACT LED indicator is lit green Hub without Uplink MDI II port If a hub is not equipped with an uplink MDI IT port connection can be made using either straight cable or crossover cable A Using straight cable When using straight cable the connection can be made from the uplink MDI ID port of the Switch to any port of the Hub B Using crossover cable When using crossover cable the connection can be made from any ports of the Switch to any port of the Hub Switch to Switch other devices The Switch can be connected to another switch or other devices routers bridges etc via a two pair 15 Category 3 4 5 UTP STP straight or crossover cable Cat 5 must be used
16. uting 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 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
17. ver cable connection E Ted I 2 Te 1 spe 6 RK Re 5 Straight cable for Switch uplink MDI II port to switch Hub or other devices connection Hub MDI X Hub MDI X Crossover cable for Switch MDI X port to switch hub or other network devices MDI X port connection 22
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