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LevelOne FSW-1611TX User Manual

Made by: LevelOne
Type: User Guide
Category: Switch
Pages: 18
Size: 0.1 MB

 

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LevelOne 

FSW-1611TX 

16Port 10/100Mbps 13” Fast Ethernet Switch 

 

 

 

 

 

USER'S GUIDE 

 

 

 


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FCC WARNING 

This equipment has been tested and found to comply 
with the limits for a Class A computing device 
pursuant to Part 15 of FCC Rules, which are 
designed to provide reasonable protection against 
electromagnetic interference in a commercial 
environment. 
Changes or modifications to the equipment not 
expressly approved by the party responsible for 
compliance could void the user's authority to operate 
the equipment.

 

CE MARK WARNING 

T

HIS IS A CLASS A PRODUCT

.  I

N A DOMESTIC 

ENVIRONMENT THIS PRODUCT MAY CAUSE RADIO 

INTERFERENCE IN WHICH CASE THE USER MAY  B E  

REQUIRED TO TAKE ADE QUATE MEASURES

.

 

 


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3

 

T

ABLE OF 

C

ONTENTS

 

UNPACKING INFORMATION

-----------------------------------4

 

PRODUCT INTRODUCTION

-------------------------------------5 

FAST ETHERNET TECHNOLOGY-------------------------------------------- 5 

SWITCHING TECHNOLOGY----------------------------------------------------5 

FEATURES---------------------------------------------------------------------------6 

THE FRONT PANEL---------------------------------------------------------------8 

CABLING------------------------------------------------------------------------------8 

STATUS LEDS----------------------------------------------------------------------9 

THE REAR PANEL-----------------------------------------------------------------9 

INSTALLATION

-----------------------------------------------------------11

 

TO LOCATE THE SWITCH ON A DESKTOP-----------------------------11 

TO STACK YOUR SWITCH----------------------------------------------------11 

RACKMOUNT PLACEMENT-------------------------------------------------- 11 

HELPFUL SUGGESTIONS

--------------------------------------13 

Prior to Installation----------------------------------------------------------------13

 

Half- and Full-Duplex------------------------------------------------------------ 13

 

Auto-Negotiation-------------------------------------------------------------------14

 

MAC Address Table--------------------------------------------------------------15

 

Sample  Application---------------------------------------------------------------15

 

Troubleshooting

--------------------------------------------------------16

 

PRODUCT SPECIFICATIONS

--------------------------------17

 

 

 

 


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A.  UNPACKING INFORMATION 

Thank you for purchasing  LevelOne FSW-1611TX 16Port 10/100Mbps 
13” Fast Ethernet Switch.  Before continuing, please check the 
contents of the product package.  This product package should contain 
the following items: 

Ø 

One  LevelOne FSW-1611TX 16Port 10/100Mbps 13” Fast Ethernet 
Switch 

Ø 

One  Power Cord 

Ø 

Four Rubber Feet (for desktop placement) 

Ø 

One Rackmount Kit 

Ø 

Four Stackable stand 

Ø 

User’s Guide 

If anything is missing, please contact your place of purchase. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


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5

 

B.  PRODUCT 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 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 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 bridge 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 

 


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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 100BASE-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 environment where traffic on the network and the number of user 
increase continuously. 

These Switches 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. 

 


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7

 

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  LevelOne FSW-1611TX 16Port 10/100Mbps 13” Fast Ethernet 
Switch are an unmanaged 10/100 Fast Ethernet Switch that offers 
solutions in accelerating small Ethernet workgroup bandwidth. Other 
key features are: 

• 

Independent bandwidth for each port 

• 

100/10Mbps TP ports with Auto-Negotiation support 

• 

Bridging capability for 100Mbps and 10Mbps segments 

• 

Store and Forward technology 

• 

Built-in Crossover port 

• 

IEEE 802.3x flow control support for Full-Duplex operation 

• 

Back-pressure support for Half-Duplex operation 

• 

Three QoS levels checked via IP Header and 802.1Q VLAN Tag and 
selectable on per port basis. 

• 

512K Byte Buffer Memory  

• 

16K  MAC Address Table  

• 

Desktop size with rack mounting capability  

 

 

 

 

 

 

 

 


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The Front Panel 

 

LevelOne 16Port 10/100Mbps 13” Fast Ethernet Switch 

 

Port Speeds 

100/10Mbps TP Ports 

Each 100/10Mbps TP port provides an Auto-Negotiation function that 
senses for the attached device's maximum operating speed and 
automatically sets the Switch to operate at that speed.  Each TP port 
uses RJ-45 connector that allows network TP cables to be easily 
attached or removed.  Users only need to connect a network device into 
any TP port and the Switch will do the rest.

 

Crossover Connector 

The last TP port in this model supports a Crossover function.  The 
Crossover function is used for Uplinking to a standard port on another 
Switch using normal TP cable.    

Warning:

  

You cannot use the last TP port’s regular port when you 

are using the Crossover port.

  

Cabling 

10Mbps

 – Category 3, 4, or 5 TP cabling can be used for transmitting 

data at 10Mbps or 20Mbps bandwidth on 10BASE-T networks. 

100Mbps 

– Only Category 5 TP cabling can be used for transmitting 

data at 100Mbps or 200Mbps bandwidth on 100BASE-TX networks.

 

Port Type  

Cable Type

 

Connector

 

10BASE-T  

Category 3, 4 or 5 TP 

RJ-45 

100BASE-TX 

Category 5 TP 

RJ-45 

Note:  

Category 5 TP cable should be used 

whenever 

installing new TP 

 


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9

 

cabling.    

 

Status LEDs 

This 

LevelOne 16Port 10/100Mbps 13” Fast Ethernet Switch

 comes with a 

complete range of LEDs.  The table below lists each LED’s name, color 
and a brief description of its function. 

• 

One for power On/Off 

• 

One per port for Link/Activity 

• 

One per port for Full-Duplex/Collision 

N

AME

 

C

OLOR

 

F

UNCTION

 

PWR 

Green 

• 

Lit:  Power "On" 

LINK/ACT 

Green 

• 

Lit:  When the port has a valid physical connection (Link) 

with another device. 

• 

Blinks:  When the port is sending or receiving data 

(Activity). 

FD/COL 

Amber 

• 

Lit:  When the port is set to Full-Duplex mode. 

• 

Blinks:  When a collision is detected,in Half-Duplex mode. 

The Rear Panel 

 

Power Socket 

The Power Socket is designed to be used with the power cord included 
in the product package.   

a)  Attach the female end of the cord to the power connector on the 

back panel. 

b)  Attatch the male end of the cord to a grounded power outlet. 

 


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10 

Note: To reset the s witch, Remove the power cord and re-attach it . 

a)  The switch must be reset when the MAC Address table needs to be 

rebuilt. 

b)  The switch must be reset when the fiber port Full/Half  – Duplex 

modes are changed.   

      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


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11

 

 

C.  INSTALLATION

 

This LevelOne 16Port 10/100Mbps 13” Fast Ethernet Switch is  "Plug & 
Play."  They do NOT require software configuration.  Users can 
immediately use any of the features of this product simply by attaching 
the cables and turning on the power. 

TO LOCATE THE Switch ON A DESKTOP 

a)  Attach the four rubber feet included in the product package to the 

bottom of the Switch, one in each corner.   

b)  Place the Switch on a clean, flat desk or table top close to a power 

outlet. 

C)  Plug in all network connections and the power cord 

To stack your Switch 

a)  Attach the four stackable stand  included in the product package to 

the bottom of the Switch, one in each corner.   

b)  Now , you can can use the switch to stack with other switch with 

stackable stand. 

C)  Plug in all network connections and the power cord 

RACKMOUNT PLACEMENT 

This  LevelOne  16Port 10/100Mbps 13” Fast Ethernet Switch can be 
mounted in an EIA standard-sized 19-inch rack.  

1. 

Attach one (1) rackmounting bracket on each side of the Switch’s 
front panel with the provided screws. 

 

 


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12 

2.  Use the other provided screws to secure the Switch to the rack. 

 

 
 
 
 

 

 

 

 

 


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13

 

 

 

D.  HELPFUL SUGGESTIONS 

Prior to Installation 

Before installing this  LevelOne FSW-1611TX  16Port 10/100Mbps 13” 
Fast Ethernet Switch and connecting it to network devices, it is 
important to plan the network's layout.  Things you should consider 
include: 

 

?  

Dedicated Bandwidth:

  File servers and other high-traffic 

hardware improve their performance if they have their own 
dedicated 10Mbps or 100Mbps bandwidth. 

?  

Full-Duplex:

  Determine which devices support Full-Duplex 

connections. 

?  

Fast Ethernet:  

Make sure rules for cable lengths and categories 

are followed. 

?  

Auto-Negotiation:  

Devices with different speeds may be easily 

swapped when the other end of the cable is fixed to a port with 
Auto-Negotiation. 

?  

Crossover Uplink:  

This  LevelOne  16Port 10/100Mbps 13” Fast 

Ethernet Switch can be Uplinked to another Switch using the 
Crossover function located on the last TP port.   

F

  

Remember  - If you are using the last TP port’s Crossover port, you 

cannot use the last TP port’s regular port.  `  If you use both of the last 
port's ports at the same time your Switch will not operate properly.  

Half- and Full-Duplex 

This Switch supports both Half- and Full-Duplex modes for 10BASE-T 
and 100BASE-TX.   

 

• 

In Half-Duplex mode data cannot be transmitted and received at the 

same  time.  Attached devices must finish transmitting data before 

 


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14 

they can receive data. 

• 

In Full-Duplex mode data can be transmitted and received at the 

same time.   

 

However:

 

a)  Full-Duplex transmission is only possible between two devices 

with a dedicated link (e.g., Switch-Switch, Switch-PC) 

b)  Both devices must have Full-Duplex capability 

c)  Both devices must be set to Full-Duplex (e.g. Auto-

Negotiation  – Auto-Negotiation, Non-Auto-Negotiation to Non-
Auto-Negotiation) 

• 

The 100BASE-TX/10BASE-T ports on the Switch detect and set the 
line's operating mode by using their Auto-Negotiation function. 

Auto-Negotiation 

Every 100/10Mbps dual speed port on this  LevelOne FSW-1611TX 
10/100Mbps Fast Ethernet  Switch has a built-in "Auto-Negotiation" 
function.  This technology automatically sets the best possible 
bandwidth as soon as a connection is established with another network 
device (usually at Power “On” or Reset).  This capability is achieved via 
the Switch’s Auto-Negotiation function that automatically detects the 
modes and speeds the second (attached) device is capable of.   

 

Evaluating Auto-Negotiation Capability: 

If the attached device is: 

This Switch Will Automatically Set Its 
TP Ports to Operate At: 

100Mbps, no Auto-Negotiation 

100Mbps Bandwidth  

(100BASE-TX, Half-Duplex) 

100Mbps, with Auto-Negotiation 

200Mbps Bandwidth  

(100BASE-TX, Full-Duplex) 

10Mbps, no Auto-Negotiation 

10Mbps Bandwidth  

(10BASE-T, Half-Duplex) 

 


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15

 

10Mbps, with Auto-Negotiation 

20Mbps Bandwidth  

(10BASE-T, Full-Duplex) 

Helpful Warning:

  If the attached device is set to a fixed mode (ex: 

Forced Full-Duplex) it will not operate as an Auto-Negotiation device. 

MAC Address Table 

Every Ethernet data packet includes both source and destination 
addresses.  This 6-byte ID is called the MAC (Media Access Control) 
Address. 

The Switch can automatically learn and store MAC addresses.  
However, the MAC address table is volatile: it disappears when the 
Switch is powered “Off” or reset. 

Note:

 When the network needs reconfiguration, we recommend 

to restart switch first.  After all nodes have been moved, Remove

 

the power cord and re-attach it on the back panel

  to rebuild the 

internal MAC address table. 

Sample Application 

The optimal application for this Switch is to interconnect  file servers 
with other bandwidth-hungry workgroups, departments, and offices all 
with dedicated bandwidths. 

 


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16 

 

E.  Troubleshooting 

I. 

Link LED does not lit after cable is connected to the port. 

Ø 

Verify that the other end of the cable is connected to a 
device that is powered on and on-line. 

Ø 

For TP cable connection to another Switch or Hub, verify 
that only one end of the cable is connected to a 
“Crossover” port. 

 

II.  100BASE-TX port Link LED is lit, Collision LED is blinking, but 

traffic is irregular. 

Ø 

Check that the attached device is not set to dedicated 
Full-Duplex.  (Some devices use a physical or software 
switch to change Duplex modes.  Auto-Negotiation may 
not recognize this type of Full-Duplex setting). 

 

 


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17

 

 

ALWAYS CHECK THAT:   

Ø 

CABLE AND LINK DISTANCES ARE WITHIN THE NETWORK'S 
SPECIFICATIONS 

Ø 

OVERALL NETWORK 

DIAMETERS ARE WITHIN THE 

NETWORK'S SPECIFICATIONS 

 


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18 

F.  PRODUCT SPECIFICATIONS 

Models 

FSW-1611TX

 

Standards 

• 

100BASE-TX IEEE 802.3u  

• 

10BASE-T IEEE 802.3 

Ports 

• 

Sixteen (16) 100BASE-TX/10BASE-T 

Media Support 

• 

100BASE-TX Category 5 TP 

• 

10BASE-T  Category 3, 4  or 5 TP 

Bandwidth 

• 

100BASE-TX - 200/100Mbps via Auto-Negotiation 

• 

10BASE-T - 20/10Mbps via Auto-Negotiation 

Forwarding/Filtering 
Rate 

• 

148,800 packets/second per port @ 100Mbps, max. 

• 

14,880 packets/second per port @ 10Mbps, max. 

Latency 

• 

10 

µ

sec @100Mbps, minimum 

• 

72 

µ

sec @ 10Mbps, minimum 

MAC Addresses 

• 

16K six-byte entries maximum, self-learning 

Buffer Memory 

• 

512 Kbyte 

Duplex Modes 

• 

Auto-Negotiation  

Crossover 

• 

Port 16 has an extra port for Crossover function 

LED Indicators 

• 

One for Power 

• 

One  per port for Link/ACT 

• 

One  per port for Full-Duplex or Collision 
(100Base-TX / 10Base-T) 

Power Supply 

• 

Internal full range switching power supply  

• 

Input voltage:  100 ~ 240 VAC +/-10%, 50/60 Hz 

Power Consumption  

• 

16.5 watt max. 

Environment  

• 

Operating Temp:  0

°

 ~ 45

°

C (32

°

 ~ 113

°

F) 

• 

Storage Temp    :  -20

°

 ~ 70

°

C (-4

°

 ~ 158

°

F) 

• 

Humidity           :  10% ~ 90% non-condensing 

Certification 

• 

FCC Class A, CE Mark  

Dimensions 

• 

250 x 150 x 43 mm (9.8 x 5.9 x 1.7 inches)