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LevelOne FSW-1650 User Manual

FSW-2450

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FSW-1650 

FSW-2450 

 

User Manual 

 

 

16/24 10/100 Rackmount Switch 

 

 

 

 

 

 

 

V3.0..0906 

 


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COPYRIGHT & 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 Asia Co., Ltd.    All rights 
reserved. 

 


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FCC STATEMENT 

 

The Switch 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 this 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: 

¾

 

Reorient or relocate the receiving antenna. 

¾

 

Increase the separation between the equipment and receiver. 

¾

  Connect the equipment into an outlet on a circuit different from that to 

which the receiver is connected. 

¾

 

Consult the dealer or an experienced radio/TV technician for help. 

EC DECLARATION OF CONFORMITY (EUROPE)

 

In compliance with the EMC Directive 89/336/EEC, Low Voltage Directive 73/23/ 
EEC, this product meets the requirements of the following standards: 

¾

 EN55022 

¾

 EN55024 

¾

 EN60950 

SAFETY NOTICES 

Caution: 

Do not use this product near water, for example, in a wet basement or near a 
swimming pool. 

Avoid using this product during an electrical storm. There may be a remote risk 
of electric shock from lightning. 

 


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Package Contents: 

The following contents should be found in your box: 

¾

 

One FSW-1650 / FSW-2450 Switch

 

¾

 

One power cord

 

¾

 

This User's Guide

 

¾

  Mounting screws and two “L” planks 

)

 

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. 

 

 


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CONTENTS

 

Chapter 1 Introduction of the Product ........................................... 1

 

1.1

 

Overview of the product ............................................................... 1

 

1.2

 

Features ....................................................................................... 1

 

1.3

 

IEEE 802.1p QoS .........................................................................  2

 

Chapter 2 Installation ....................................................................... 3

 

2.1

 

Mounting the Switch on a Desk ....................................................  3

 

2.2

 

Mounting the Switch in a Rack ..................................................... 3

 

2.3

 

Power on ...................................................................................... 4

 

Chapter 3 Identifying External Components .................................. 4

 

3.1

 

Front Panel ................................................................................... 4

 

3.2

 

Rear Panel ................................................................................... 5

 

Appendix A: Specifications ............................................................. 6

 

Appendix B: Troubleshooting ......................................................... 7

 

 


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FSW-1650/FSW-2450

10/100 Rackmount Switch User's Guide

 

Chapter 1 Introduction of the Product 

This chapter describes the features of the model of FSW-1650/FSW-2450 
16/24- port 10/100 Rackmount Switch. FSW-1650 and FSW-2450 just 
differ in the number of LED indicators and ports, all figures in this guide 
are of  FSW-2450. 

1.1  Overview of the product 

FSW-1650/FSW-2450 6/24-port 10/100 Rackmount Switch provides 
16/24 10/100Mbps Auto-Negotiation RJ45 ports. Each port of the FSW-
1650/FSW-2450 supports auto MDI/MDI-X function, eliminating the need 
for crossover cables or Uplink ports. The Switch is Plug- and-Play and 
any port can be simply plugged into a server, a hub or a switch, using 
straight cable or crossover cable. 

The LevelOne FSW-1650/FSW-2450 16/24-port 10/100 Rackmount 
switch provides you with a low-cost, easy-to-use, high-performance, 
seamless and standard upgrade to improve your old network to a 
100Mbps network. It will boost your network performance up to full duplex 
data transfer. 

1.2 Features 

¾

 

Complies with IEEE802.3, IEEE802.3u standards 

¾

 

Support IEEE 802.1p QoS 

¾

 

16/24 10/100M Auto-NegotiationRJ45portssupporting Auto- 
MDI/MDIX 

¾

  Supports IEEE802.3X flow control for full-duplex mode and 

backpressure for half-duplex mode 

¾

 

LED indicators for monitoring power, link, activity, speed (FSW-2450) 

¾

 

Standard 19” rack-mountable steel case 

¾

 Internal 

power 

supply 

 

 

 


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FSW-1650/FSW-2450

10/100 Rackmount Switch User's Guide

 

1.3  IEEE 802.1p QoS 

The FSW-1650/2450 16/24-Port 10/100M switch supports 802.1p priority 
queuing Quality of Service, which 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. 

 

The switch has two priority queues labeled 0 and 1.  The untagged 
packets and the eight IEEE 802.1p priority levels defined by the standard 
are mapped to the two class queues used on the switch.  Class 1 has 
the higher priority of the two priority queues on the switch.    The untagged 
packets and eight priority tags, specified in IEEE 802.1p are mapped to 
the switch’s priority as follows: 

„

 

The untagged packets and priority 0,1,2 and 3 are assigned to the 
switch’s class 0 queue. 

„

 

Priority 4,5,6, and 7 are assigned to the switch’s Class 1 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 weight 
value of Class 0 queue and Class 1 queue is 1 to 8. 

 


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FSW-1650/FSW-2450

10/100 Rackmount Switch User's Guide

 

Chapter 2 Installation 

2.1  Mounting the Switch on a Desk 

Before placing the Switch on a desk, attach four rubber feet to the flutes 
on the  Switch  bottom,  then  lay  the  Switch  on  the  desktop,  
where  it  is  able  to withstand 5kg of weight. 

)

 

Note: 

Make sure there is a grounded AC outlet within 1.5 meters, and 
working well. Make sure there is free space for radiating heat 
and air. 
Make sure not to place anything to heavy on top of the switch. 

2.2  Mounting the Switch in a Rack 

The dimension of FSW-1650 / FSW-2450 is designed according to the 
standard 19” rack-mountable steel case of Electronic Industries 
Association. 

Powers 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, 
and fasten it with screws in the rack. 

 

Figure 2-1 Rivet the ‘L’brackets onto the Switch 

 


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FSW-1650/FSW-2450

10/100 Rackmount Switch User's Guide

 

 

Figure 2-2 Fasten the Switch in the rack 

2.3 Power 

on 

The FSW-1650/FSW-2450 16/24-port 10/100 Rackmount switch is 

powered by an AC Power Supply. Connect the Switch and power outlet 

by power cord. Powering on the Switch, it will be automatically initialized 

and the LED indicators should respond as follows: 

1)  All of the LED indicators will flash momentarily for one second, 

which represent a resetting of the system. 

2)  The Power LED indicator will light up. 

Chapter 3 Identifying External Components 

This Chapter describes the front panel, rear panel and LED indicators of 
the Switch. 

3.1 Front 

Panel 

The front panel of FSW-2450 consists of switch model, switch LED 
indicators, and 24 10/100Mbps RJ-45 ports.

 

 

 


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FSW-1650/FSW-2450

10/100 Rackmount Switch User's Guide

 

Figure 3-1 FSW-2450 Switch Front Panel sketch 

3.2 Rear 

Panel 

The rear panel of FSW-2450 only features an electrical outlet, which is an 
AC electrical outlet. Connect the female of the power cord head here, and 
the male head to the AC power. 

 

Figure 3-2 FSW-2450 Switch Rear Panel sketch 

LED indicators 

The LED indicators include Power, Link/Act LED indicators, which are 
used for monitoring and pre-troubleshooting of the Switch. The following 
section shows the LED indicators of the Switch along with an explanation 
of each indicator. 

 

Figure 3-3 FSW-2450 Switch LEDs sketch 

¾

 

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. 

¾

 

LINK/ACT LED

: The LED indicates Link/Active status. The 

corresponding LED indicator will light solid green when connected to 
a network device. It flashes green when data is being transmitted or 
received on the working connection. 

¾

 

100Mbps

: The corresponding gigabit port LED indicator will light 

solid green when it's working on 100Mbps speed, not lit when 
working on 10Mbps speed. 

 

 

 

 


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FSW-1650/FSW-2450

10/100 Rackmount Switch User's Guide

 

Appendix A: Specifications 

General 

Standards 

IEEE802.3 10Base-T      IEEE802.3u 100Base-TX 

Topology Star 

Protocol CSMA/CD 

Data Transfer Rate 

Ethernet: 10Mbps (Half Duplex), 20Mbps (FullDuplex) 

Fast Ethernet: 100Mbps (Half Duplex), 200Mbps (Full 

Duplex) 

Number of Ports 

16/24 10/100Mbps Auto-Negotiation RJ-45 ports 

Safety & Emissions  FCC, CE 

 

Environmental and Physical 

Operating Temperature  0°C ~40°C 

Storage Temperature 

-40°C ~70°C 

Operating Humidity 

10%~90% non-condensing 

Storage Humidity 

5%~95% non-condensing 

 

 


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FSW-1650/FSW-2450

10/100 Rackmount Switch User's Guide

 

Appendix B: Troubleshooting 

1.  The Power LED is not lit

 

¾

 

Make sure the AC power cord connected the Switch with power 
source properly. 

¾

 

Make sure the power source is ON. 

2.  The Link/Act LED is not lit when a device is connected to the 

corresponding port

 

¾

 

Make sure that the cable connectors are firmly plugged into the 
Switch and the device. 

¾

 

Make sure the connected device is turned on and working well. 

¾

 

The cable must be less than 100 meters long (328 feet).