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Express Plus Ethernet Switch 

 

Product Overview 

Front View 

 

 

 

 

Figure 1: LB9020A-R2: Compact 24 Ports Fast Ethernet Switch 

 

Product Features 

 

 

P

ROVIDES 

24

 

×

 

10/100M

BPS PORTS USING 

RJ-45

 CONNECTORS

 

 

A

UTO

-

NEGOTIATION FOR SPEED AND DUPLEX MODE ON 

TX

 PORTS

 

 

A

UTO

-MDIX

 FOR ALL 

TX

 PORTS

 

 

T

RUE NON

-

BLOCKING ARCHITECTURE

 

 

F

ULL WIRE SPEED FORWARDING RATE

 

 

S

TORE

-

AND

-

FORWARD MECHANISM

 

 

B

ROADCAST STORM FILTERING CONTROL

 

 

B

ACK

-

PRESSURE AND 

IEEE

 

802.3

X COMPLIANT FLOW CONTROL

 

 

S

UPPORTS 

8K

 

MAC

 ADDRESSES

 

 

2M

 BITS 

B

UFFER 

M

EMORY FOR THE 

24-P

ORT 

S

WITCH

 

 

F

RONT PANEL PORT STATUS 

LED

S

 

 

S

TANDARD 

10”

 COMPACT SIZE

,

 ONE

-

UNIT

-

HEIGHT

 

 

Front Panel Display 

 

An array of LED indicators on the front panel provides you with instant feedback on each 
port status, and, helps you monitor and troubleshoot the switch. 
 

 

 

Figure 2: LB9020A-R2: Front Panel LEDs 

 

n

 Power 

This LED comes on when the switch is properly connected to power and turned on. 

 

o

 Port Status

 

The RJ-45 ports numbered from 1 to 24 on the 24-Port Switch. 
 

Summary of Contents for LB9020A-R2

Page 1: ...l free in the U S 24 hours 7 A M Monday to midnight Friday 877 877 BBOX FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mail order Black Box Corporation 1000...

Page 2: ...ions du Canada Normas Oficiales Mexicanas NOM INSTRUCCIONES DE SEGURIDAD 1 Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado 2 Las instr...

Page 3: ...existir una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuid...

Page 4: ...Ports 7 Understanding Front Panel Design 7 Installation 7 Selecting a Site for the Equipment 7 Deciding How to Install 8 Desktop or any flat surface 8 Connecting to Power 8 Connecting to Your Network...

Page 5: ...f duplex mode and auto MDIX To get the most out of this manual you should have an understanding of networking concepts such as bridging IEEE 802 3 10BaseT Ethernet IEEE 802 3u 100BaseTX Fast Ethernet...

Page 6: ...TERING CONTROL BACK PRESSURE AND IEEE 802 3X COMPLIANT FLOW CONTROL SUPPORTS 8K MAC ADDRESSES 2M BITS BUFFER MEMORY FOR THE 24 PORT SWITCH FRONT PANEL PORT STATUS LEDS STANDARD 10 COMPACT SIZE ONE UNI...

Page 7: ...T Off No connection On A valid 100Mbps connection 100 stands for 100Mbps Port LED 100M Off A valid 10Mbps connection Installation Selecting a Site for the Equipment As with any electric device you sho...

Page 8: ...the back of the switch Step 2 Attach the plug into a standard AC outlet with a voltage range from 100 240Vac Step 3 The power LED on the front panel will come on then Figure 5 Rear view of the switch...

Page 9: ...Ports Fast Ethernet Switch Applicable Standards IEEE 802 3 10BaseT IEEE 802 3u 100BaseTX Fixed Ports Sixteen ports for the 16 Ports Switch Twenty four ports for the 24 Ports Switch 100BaseTX 200Mbps...

Page 10: ...re 25 70 C 13 158 F Humidity 10 90 non condensing Emissions FCC part 15 Class A CE Mark Connector Pinouts Pin arrangement of RJ 45 connectors Figure 3 RJ 45 Connector and Cable Pins The following tabl...

Page 11: ...24 Fixed Ports Cable Connector Distance 100BaseTX Cat 5 UTP STP RJ 45 100m 10BaseT Cat 3 4 or 5 UTP STP RJ 45 100m L i The maximum node to node network distance is in full duplex operation ii MMF den...

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