Amer Networks SR24G2 network switch
Contents
1. IA Amer com SR24G2 24 Port 10 100 Switch with 2 Ports 10 100 1000 User s Guide Version 1 0 P N SR24G2030303 Rev 1 This User s Guide contains important information regarding the installation of your switch Please read it completely before beginning installation For future reference record the serial number of your network switch in the space below Lo SERIAL number The serial number is located on the bottom of the switch Amer com 7259 Bryan Dairy Road Largo FL 33777 Amer com Corp 1997 2003 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 Amer com is a registered trademark of Amer com All other trademarks and trade names are properties of their owners FCC Class A Certification Statement Model SR24G2 FCC Class A This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference2. Ethernet servers outfitted with Gigabit Ethernet NIC s are able to perform 10 times the number of operations in the same amount of time The phenomenal bandwidth delivered by Gigabit Ethernet was the most cost effective method to take advantage of today s rapidly improving switching and routing internetworking technologies And with expected advances in silicon technology and digital signal processing that enabled Gigabit Ethernet to eventually operate over unshielded twisted pair UTP cabling outfitting your network with a powerful 1000 Mbps capable backbone server connection creates a flexible foundation for the next generation of network technology products 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 fro
3. oooogoocaoa ood SAAD Figure 6 LED indicators of the Switch Power LED POWER On When the Power LED lights on the Switch is receiving power Off When the Power LED turns off or the power cord has improper connection Ports 1 24 Status LEDs LINK ACT On When the LED lights on the respective port is connected to the 10 100Mbps Ethernet network Blinking When the LED is blinking the port is transmitting or receiving data on the 10 100Mbps Ethernet network Off No link 100Mbps On When the LED lights on the respective port is connected to a 100Mbps Ethernet network Off The respective port is connected to a 10Mbps Ethernet network or no link 10 Port 25 amp Port 26 Status LEDs LINK ACT On When the LED lights on the respective port is connected to a 10 100 1000Mbps Ethernet network Blinking When the LED is blinking the respective port is transferring or receiving data on a 10 100 1000Mbps Ethernet network Off No link 1000Mbps On When the LED lights on the respective port is connected to a Gigabit Ethernet network Off The respective port is connected to a 10 100Mbps Ethernet network or no link 100Mbps On When the LED lights on the respective port is connected to a 100Mbps Fast Ethernet network Off The respective port is connected to a 10Mbps or Gigabit Ethernet network otherwise no link 11 TECH
4. 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 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
5. 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 14 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 Ifa hardware problem with this product develops during the warranty period you may contact the Amer com Service Center at Telephone 727 549 0772 Facsimile 727 549 0992 Service Center Amer com 7259 Bryan Dairy Road Largo Florida 33777 U S A 15
6. NICAL SPECIFICATIONS General IEEE 802 3 1OBASE T Ethernet Standards IEEE 802 3u 100 BASE TX Fast Ethernet IEEE 802 3ab 1000BASE T Gigabit Ethernet Ethernet 10Mbps half duplex 20Mbps full duplex Data plex Transfer Fast Ethernet 100Mbps half duplex 200Mbps Rate full duplex Gigabit Ethernet 2000Mbps full duplex 10BASET 2 pair UTP STP Cat 3 4 5 up to 100m Network 100BASE TX 2 pair UTP STP Cat 5 up to 100m Cables 1000BASE T 4 pair UTP STP Cat 5 up to 100m Cat 5E is recommended of 24 10 L00BASE TX Auto MDIX STP ports Number Ports 2 x 1000BASE T Auto MDIX STP ports 12 Physical and Environmental AC inputs 100 to 240V AC 50 60 Hz internal universal power supply Rower 20 watts max Consumption Temperature Operating 0 40 C Storage 10 70 C Humidity Operating 10 90 Storage 5 90 Dimensions 440x 200x 44 mm W x H x D Emissions FCC Class A CE Mark Class A VCCI Class A Transmits Method Filtering Address i Table 8K entries per device Packet 10Mbps Ethernet 14 880 pps Filtering Forwardi ng Rate 100Mbps Fast Ethernet 148 800 pps 1000Mbps Gigabit Ethernet 1488 000 pps Learning 13 Amer com Warranty Policy 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
7. ain the following items One 24 Port 10 100Mbps Ethernet Switch with 2 Ports 10 100 1000Mbps One AC power cord suitable for your area s electrical power connections Four rubber feet to be used for shock cushioning Screws and two mounting brackets User s Guide If any item is found missing or damaged please contact your local reseller for replacement Installation The site where you place the Switch may greatly affect its performance When installing take the following into your consideration Install the Switch in a fairly cool and dry place See Technical Specifications for the acceptable temperature and humidity operating ranges Install the Switch in a site free from strong electromagnetic field generators such as motors vibration dust and direct exposure to sunlight Leave at least 10cm of space at the front and rear of the hub for ventilation Install the Switch on a sturdy level surface that can support its weight or in an EIA standard size equipment rack For information on rack installation see the next section Rack Mounting When installing the Switch on a level surface attach the rubber feet to the bottom of each device The rubber feet cushion the hub and protect the hub case from scratching 5 t 5 t e t e gt Figure 1 Attach the adhesive rubber pads to the bottom Rack Mounting The Switch can be mounted in an EJA standard size 19 inch rack which can be placed in a wir
8. and 2 This device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If the equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected to e Consult the dealer or an experienced radio TV technician for help Shielded interface cables must be used in order to comply with emission limits You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment For more information please conta
9. ceive 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 Gigabit Ethernet Technology Gigabit Ethernet is an extension of IEEE 802 3 Ethernet utilizing the same packet structure format and support for CSMA CD protocol full duplex flow control and management objects but with a tenfold increase in theoretical throughput over 100 Mbps Fast Ethernet and a hundredfold increase over 10 Mbps Ethernet Since it is compatible with all 10 Mbps and 100 Mbps Ethernet environments Gigabit Ethernet provides a straightforward upgrade without wasting a company s existing investment in hardware software and trained personnel The increased speed and extra bandwidth offered by Gigabit Ethernet are essential to coping with the network bottlenecks that frequently develop as computers and their busses get faster and more users using applications that generate more traffic Upgrading key components such as your backbone and servers to Gigabit Ethernet can greatly improve network response times as well as significantly speed up the traffic between your subnets Gigabit Ethernet supports video conferencing complex imaging and similar data intensive applications Likewise since data transfers occur 10 times faster than Fast
10. chapter Understanding LED Indicators for detailed information on the meaning of each LED indicator 10 100BASE TX Twisted Pair Ports Portl 24 These ports supports network speeds of either 10Mbps or 100Mbps and can operate in half and full duplex transfer modes These ports also support automatic MDI MDI X crossover detection function which gives true plug and play capability Just plug in the network cable to the hub directly since there is no need to care if the end node is NIC Network Interface Card or switches and hubs 1000BASE T Twisted Pair Ports Port 25 26 The Switch is equipped with two Gigabit twisted pair ports that are auto negotiable 10 100 1000Mbps and auto MDI MDIX crossover detection supported These two ports can operate in half and full duplex modes Rear Panel Power Switch Power Connector Figure 5 The rear panel of the Switch AC Power Connector This is a three pronged connector that supports the power cord Plug in the female connector of the provided power cord into this connector and the male into a power outlet Supported input voltages range from 100 240V AC at 50 60Hz Power Switch Use the power switch beside this power connector to turn on or turn off the power of the Switch UNDERSTANDING LED INDICATORS The front panel LEDs provide instant status feedback and helps monitor and troubleshoot when needed 13 14 Matis
11. ct the Federal Communication Commission CE Mark Class A Statement In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures TABLE OF CONTENTS ABOUT THIS GUIDE PURPOSE isscc2iicas ses sonce thed E Gs 1 TTERMS USAGB isis ERE A Aeneas 1 INTRODUCTION ssscsccvascncsossasssvecs csvesecsssasvesenstevassscrvetsccsuesesssaveevensveneseans 2 FAST ETHERNET TECHNOLOGY ccccssssessssesseseseescseeseseeseseesesessteesseeeses 2 GIGABIT ETHERNET TECHNOLOGY 2 SWITCHING TECHNOLOGY ccsccssessesseseeseeseceeecceeeeseeseeseesesseeseesseeeneees 3 BEATUORES EEEE E EE E eda alesis at AHORA Ta 3 UNPACKING AND INSTALLATION ccccsssssssssssssscssscscsscsscssecseses 5 UNPACKING 3033 csec eich sch pester ei yeas ences be Ce ie ay ta 088 ccc 5 INSTALLATION RACK MOUNTING 6 CONNECTING NETWORK CABLE sek AC POWER die paler i as locuneieea cits lame a 7 IDENTIFYING EXTERNAL COMPONENTS ccsccssssssssssssssssssecees 8 BRONT PANEL iroa E A AT sites ea ances TEAG 8 REAR PANEL ana E EA REAR 9 UNDERSTANDING LED INDICATORS POWER D E D EE EE ESE E S TEE EEE EEA PORTS 1 24 STATUS LEDS gi PORT 25 amp PORT 26 STATUS LEDS c cccccccsessessesseeseseeeseeseseteseeseeneens 11 TECHNICAL SPECIFICATIONS seseeseereseeseorosesreseosesroseseeseoreseeseenes 12 ABOUT THIS GUIDE Congratulations on your purchase of the 24 Port 10 100Mbps Ether
12. ing closet with other equipments Attach the mounting brackets to both sides of the Switch one at each side and secure them with the provided screws Figure 2 Combine the Switch with the provided screws Then use screws provided with the equipment rack to mount the Switch in the rack Figure 3 Mount the Switch in the rack Connecting Network Cable The Switch supports 10 100 1000Mbps Gigabit Ethernet It runs full half duplex transfer mode for 10 100Mbps and full duplex transfer mode for 1000Mbps These ports are Auto MDI type The Switch can auto configure to MDI II or MDI X type so you can make a connection without worrying if you are using a standard or crossover cable AC Power The Switch can be used with AC power supply 100 240V AC 50 60 Hz The power switch is located at the rear of the unit adjacent to the AC power connector and the system fan The switch s power supply will adjust to the local power source automatically and may be turned on without having any or all LAN segment cables connected IDENTIFYING EXTERNAL COMPONENTS This chapter identifies all the major external components of the Switch Both the front and rear panels are shown below with a description of each panel feature Front Panel 10 100 BASE T X Twisted Pair Ports LED Indicators 1000 BASE T Twisted Pair Ports Figure 4 The front panel of the Switch LED Indicators Refer to the next
13. m one segment to another By doing this the total network capacity is multiplied while still maintaining the same network cabling and adapter cards 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 24x10 100BASE TX Fast Ethernet ports 2x1000BASE T Gigabit Ethernet ports Auto MDI X for each port Full half duplex transfer mode for 10 100Mbps Fast Ethernet ports Full duplex transfer mode for Gigabit Ethernet ports 3 Wire speed reception and transmission Store and Forward switching method Integrated address Look Up Engine supports 8K MAC addresses Supports 512K bytes RAM for data buffering Extensive front panel diagnostic LEDs IEEE 802 3x flow control for full duplex Back pressure flow control for half duplex Standard 19 Rack mount size UNPACKING AND INSTALLATION This chapter provides unpacking and installation information for the Switch To avoid causing any damage to the Switch we recommend that you read this chapter carefully before starting installation Unpacking Open the shipping carton of the Switch and carefully unpack the items inside The carton should cont
14. net Switch with 2x 1000BASE T Gigabit ports This device integrates Gigabit 100Mbps Fast Ethernet and 10Mbps Ethernet network capabilities in a highly flexible package Purpose This guide discusses how to install your 24 Port 10 100Mbps with 2x 1000BASE T ports Switch Terms Usage In this guide the term Switch first letter upper case refers to your 26 Port 10 100 1000Mbps Switch with 2 x 1000BASE T plus 24 x 10 100BASE TX ports and switch first letter lower case refers to other Ethernet switches INTRODUCTION This chapter describes the features of the Switch and some background information about Ethernet Fast Ethernet Gigabit 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 10OBASE 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 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 re
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