LevelOne - CableWholesale.com
Contents
1. is an implementation of the IEEE 802 1p standard With 802 1p QoS function you can reserve bandwidth for important functions that require a large bandwidth or have a high priority such as VoIP Voice over Internet Protocol web browsing applications or video conferencing The Switch has separate hardware queues on every physical port which packets from various applications are mapped to and assigned a priority to The illustration below shows how 802 1p priority queuing is implemented on the Switch Four Priority Queues Queues Class 0 Class 1 Class 2 Class 3 Priority Untag 0 1 2 3 41 5 6 7 Mapping QoS on the Switch The Switch has four priority queues labeled 0 1 2 and 3 The untagged packets and the eight IEEE 802 1p priority levels defined by the standard are mapped to the four class queues used on the Switch Among these four priority queues on the Switch Class 3 has the highest priority while Class 0 has the lowest priority and Class 3 has higher priority compared with Class 2 The Untagged packets and eight priority tags specified in IEEE 802 1p are mapped to the switch s priority tags as follows The Untagged packets priority 1 and 2 are assigned to the switch s Class 0 queue Priority O and 3 are assigned to the switch s Class 1 queue Priority 4 and 5 are assigned to the switch s Class 2 queue Priority 6 and 7 are assigned to the switch s2. is standard based It protects your existing network investments while providing you with a straightforward migration path to faster Gigabit speeds The GSW 1657 GSW 2457 is plug and play and no configuration is required Auto MDI MDI X cable detection on all ports eliminate the need for crossover cable or Uplink port Each port can be used as general ports or Uplink ports and any port can be simply plugged into a server a hub a router or a switch using the straight cable or crossover cable Diagnostic LEDs which display link status and activity allowing you to quickly detect and correct problems on the network 1 2 Features gt Supports IEEE 802 1p QoS gt Complies with IEEE802 3 IEEE802 3u IEEE802 3ab standards gt 16 24 10 100 1000Mbps Auto Sense RJ45 ports supporting Auto MDI MDIX gt All ports Support Full Half Duplex transfer mode for 10 100Mbps and Full Duplex transfer mode for 1000Mbps gt Supports IEEE802 3x flow control for full duplex mode and backpressure for half duplex transfer mode gt Non blocking switching architecture that forwards and filters packets at full wire speed for maximum throughput Supports MAC address auto learning and auto aging LED indicators for monitoring power link speed and activity Rack mountable steel case VV ON WV Internal power supply 1 3 IEEE 802 1p QoS The GSW 1657 GSW 2457 16 24 port Gigabit Ethernet Switch supports 802 1p priority queuing Quality of Service which
3. 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment CE Mark Warning CE This is a class A product 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 Package Contents iie doe sue aessodanessstendy A AE A AAR Chapter 1 Introduction of the Product sesssssssssseeeeeeee 1 1 Overview of the Product ssssssee eee 1 2 Cc 1 3 IEEE 8024p QOS iiie dete ente Tode ep Eee ipe Chapter 2 Installation eoe etate 2 1 Mounting the Switch on a Desk 2 2 Mounting the Switch in a Rack 2 3 Power Oni cute re tr REPRE REM NET TET Chapter 3 Identifying External Components sene 3 4 Front Panel 32 2 ERR EHE IR 3 5 Rear Panel rrii eere pete e e ere oru ge el 3 6 LED Indicators dI erre n Appendix A Specifications sssssssssssseseseneeenenneenen nene Appendix B Troubleshooting see em Appendix C Contact Information csseeee en Package Contents The following contents should be found in your package One GSW 1657 GSW 2457 Switch One power cord This User Guid
4. Class 3 queue The Switch uses WRR Weighted Robin Round for scheduling WRR queue scheduling algorithm schedules all the queues in turn and every queue can be assured of a certain service time The default value of QoS mode on this Switch is weight 1 2 4 8 from Class 0 to Class 3 queue in turn Chapter 2 Installation 2 14 Mounting the Switch on a Desk Before place the Switch on a desk attach four rubber footpads to the flutes on the Switch bottom then lay the Switch on the desktop where can be have as much as 5kg placed on top Note 1 The electrical outlet shall be installed near the device and shall be easily accessible 2 Make sure there is free space for radiating heat and air 3 Make sure not to place anything too heavy on top of the switch 2 2 Mounting the Switch in a Rack The dimension of GSW 1657 GSW 2457 is designed according to the standard 19 rack mountable steel case of Electronic Industries Association Turn off all the equipment connected to the Switch before mounting it in the rack then rivet the two L brackets onto each side of the Switch fasten it with screws in the rack Figure 2 1 Rivet the L brackets onto the Switch MIA N OOoOoO00000006508080000 Figure 2 2 Fasten the Switch in the rack 2 3 Power On GSW 1657 GSW 2457 16 24 port Gigabit Ethernet Switch is powered by AC power supply Powering on the Switch it will a
5. ach indicator iil dolo li inii Serr rere Figure 3 3 GSW 2457 Switch LEDs sketch gt Power LED This indicator will light solid red when the Switch powers up If the LED is not lit please check the power supply and connection gt Link Act LED This indicator will light solid green when the corresponding port is connected to another device and will flash green when data is being transmitted or received on the working connection gt 1000Mbps LED This indicator will light solid green when the corresponding port is connected to a 1000Mbps device Appendix A Specifications Standards Topology Protocol Data Transfer Rate Network Media Cable Number of Ports LED indicators Transfer Method MAC Address Learning Frame Filter Rate Frame Forward Rate IEEE802 3 10Base T IEEE802 3u 100Base TX IEEE802 3ab 1000Base T Star CSMA CD Ethernet 10Mbps Half Duplex 20Mbps Full Duplex Fast Ethernet 100Mbps Half Duplex 200Mbps Full Duplex Gigabit Ethernet 2000Mbps Full Duplex 10Base T UTP category 3 4 5 cable maximum 100m EIA TIA 568 100 STP maximum 100m 100Base TX UTP category 5 5e maximum 100m EIA TIA 568 100 STP maximum 100m 1000Base T UTP category 5 5e maximum 100m EIA TIA 568 100 STP maximum 100m 16 24 10 100 1000Mbps Auto Negotiation RJ 45 ports 100Base Tx 148810pps Port 1000Base T 1488095pps Port Environmental and Phys
6. e Rubber footpads for Desk mount VV ON Rack mount kit for installing the switch in a 19 inch rack Note Make sure that the package contains the above items If any of the listed items are damaged or missing please contact with your distributor Safety Notices Do not use this product near water Avoid using this product during an electrical storm Do not place heavy objects on the switch Chapter 1 Introduction of the Product This chapter describes the features of the GSW 1657 GSW 2457 16 24 port Gigabit Ethernet Switch 1 1 Overview of the Product The GSW 1657 GSW 2457 16 24 port Gigabit Ethernet Switch provides you with a high performance low cost easy to use seamless and standard upgrade to boost your old network to 1000Mbps Increase the speed of your network server and backbone connections make Gigabit a reality Power users in the home office workgroup or creative production environment can now move large bandwidth intensive files faster Transfer graphics CGI CAD or multimedia files and other applications that have to move large files across the network almost instantly The GSW 1657 GSW 2457 features a non blocking switching architecture that forwards and filters packets at full wire speed for maximum throughput MAC address auto learning and auto aging IEEE802 3x flow control for full duplex mode and backpressure for half duplex mode It is compatible with all 10 100 and 1000Mbps Ethernet devices because it
7. ical Dimensions 17 3x7 1x1 7in 440x180x44mm WxDxH Power Supply Output 100 240V 50 60Hz 0 6A Storage Temperature 40 70 C 40 158 F Operating Temperature 0 40 C 32 104F Operating Humidity 10 90 non condensing Storage Humidity 5 90 non condensing Appendix B Troubleshooting 1 gt The Power LED is not lit Make sure the AC power cord connected the Switch with power source properly Make sure the power source is ON 2 The Link Act LED is not lit when a device is connected to the corresponding port Make sure that the cable connectors are firmly plugged into the Switch and the device Make sure the connected device is turned on and working well The cable must be less than 100 meters long 328 feet Appendix C Contact Information For help with the installation or operation of the GSW 1657 GSW 2457 16 24 port Gigabit Ethernet Switch please contact us E mail support level1 com Website http www level1 com
8. level BL Ee FS BH NH EE E HEN NH one LevelOne User Manual GSW 1657 GSW 2457 16 24 Port Gigabit Ethernet Switch V2 0 0908 COPYRIGHT amp TRADEMARKS Specifications are subject to change without notice LevelOne is a registered trademark of Digital Data Communications Asia Co Ltd Other brands and product names are trademarks or registered trademarks of their respective holders No part of the specifications 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 Digital Data Communications Co LTD All rights reserved http www level1 com FCC STATEMENT FE 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 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 the instruction manual 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 This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions
9. utomatically initialize and its LED indicators should respond as follows 1 All of the Link Act and 1000Mbps LED indicators will flash momentarily for one second which represents a resetting of the system 2 The Power indicator will light up If the LED indicators don t respond as described above please check the power supply and connection Chapter 3 Identifying External Components This Chapter describes the front panel rear panel and LED indicators of the Switch GSW 1657 and GSW 2457 just differ in the number of LED indicators and ports and all figures in this guide are of GSW 2457 3 4 Front Panel The front panel of the GSW 2457 consists of switch LED indicators 24 10 100 1000Mbps RJ 45 ports T l iiio dolo olo See Serr sere Figure 3 1 GSW 2457 Switch Front Panel sketch m GSW 2457 24 Port Gigabit Ethernet Switch 3 5 Rear Panel The rear panel of the GSW 2457 only features a power receptacle which is an AC power receptacle Connect the female of the power cord head here and the male head to the AC power outlet ej le a s wj 100 240V SU SOHz 05A Figure 3 2 GSW 2457 Switch Rear Panel sketch 3 6 LED Indicators The LED indicators include Power Link Act and 1000Mbps LED indicators which are used for monitoring and pre troubleshooting of the Switch The following section shows the LED indicators for the switch along with an explanation of e
Download Pdf Manuals
Related Search