Black Box LGB4308A User manual

BL A C K B O X®
Provides eight 10-/100-/1000-Mbps ports
that you can manage via a Web browser.
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BL A C K B O X®
8-Port Gigabit Ethernet Web Smart Switch
LGB4308A

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8-Port Gigabit Ethernet Web Smart Switch
FEDERAL COMMUNICATIONS COMMISSION AND
INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS
This equipment generates, uses, and can radiate radio-frequency energy,
and if not installed and used properly, that is, in strict accordance with the
manufacturer’s instructions, may cause interference to radio communication.
It has been tested and found to comply with the limits for a Class A computing
device in accordance with the specifications in Subpart B of Part 15 of FCC rules,
which are designed to provide reasonable protection against such interference
when the equipment is operated in a commercial environment. Operation of
this equipment in a residential area is likely to cause interference, in which case
the user at his own expense will be required to take whatever measures may be
necessary to correct the interference.
Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
This digital apparatus does not exceed the Class A limits for radio noise
emission from digital apparatus set out in the Radio Interference Regulation
of Industry Canada.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les
limites applicables aux appareils numériques de la classe A prescrites dans le
Règlement sur le brouillage radioélectrique publié par Industrie Canada.
Normas Oficiales Mexicanas (NOM)
Electrical Safety Statement
INSTRUCCIONES DE SEGURIDAD
1. Todas las instrucciones de seguridad y operación deberán ser leídas antes
de que el aparato eléctrico sea operado.
2. Las instrucciones de seguridad y operación deberán ser guardadas para
referencia futura.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de
operación deben ser respetadas.
4.Todas las instrucciones de operación y uso deben ser seguidas.

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NOM Statement
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo,
cerca de la tina de baño, lavabo, sótano mojado o cerca de una alberca,
etc.
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales
que sean recomendados por el fabricante.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea
recomendado por el fabricante.
8. Servicio— El usuario no debe intentar dar servicio al equipo eléctrico más allá
lo descrito en las instrucciones de operación. Todo otro servicio deberá ser
referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición no
interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,
alfombra o superficie similar puede bloquea la ventilación, no se debe
colocar en libreros o gabinetes que impidan el flujo de aire por los orificios
de ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor
como radiadores, registros de calor, estufas u otros aparatos (incluyendo
amplificadores) que producen calor.
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo
del tipo descrito en el instructivo de operación, o como se indique en el
aparato.
12. Precaución debe ser tomada de tal manera que la tierra fisica y la
polarización del equipo no sea eliminada.
13. Los cables de la fuente de poder deben ser guiados de tal manera que no
sean pisados ni pellizcados por objetos colocados sobre o contra ellos,
poniendo particular atención a los contactos y receptáculos donde salen
del aparato.
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de las
lineas de energia.
16. El cable de corriente deberá ser desconectado del cuando el equipo no sea
usado por un largo periodo de tiempo.

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8-Port Gigabit Ethernet Web Smart Switch
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean
derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del aparato; o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio en su
desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.

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Trademarks Used in this Manual
Trademarks Used in this Manual
Black Box and the Double Diamond logo are registered trademarks of
BB Technologies, Inc.
Any other trademarks mentioned in this manual are acknowledged to be
the property of the trademark owners.

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8-Port Gigabit Ethernet Web Smart Switch
Table of Contents
Chapter Page
1. Specifications......................................................................................... 7
2. Overview ............................................................................................... 8
2.1 Introduction.................................................................................. 8
2.2 Features........................................................................................ 8
2.3 What‘s Included ........................................................................... 8
2.4 Hardware Description................................................................... 9
2.4.1 Front Panel ....................................................................... 9
2.4.2 Back Panel ......................................................................10
3. Configuration .......................................................................................11

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Chapter 1: Specifications
1. Specifications
Buffer Memory: 1024 Kbits
Certifications: FCC Class A, CE
MAC Address: 1 K
Standards: IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab
1000BASE-T, IEEE 802.3x full-duplex and flow control
Transmission Method: Store-and-forward
Connectors: (8) RJ-45
Indicators: (9) LEDs: (1) Power, (8) Link/Act
Temperature Tolerance: Operating: 32 to 131° F (0 to 55° C);
Storage: -4 to 194° F (-20 to 90° C)
Relative Humidity: 10 to 90%, noncondensing
Power: 100–240 VAC, 50–60 Hz, 7 watts maximum; includes U.S. power cord
Size: 1.7"H x 4.9"W x 9"D (4.4 x 12.4 x 22.8 cm)
Weight: 2.1 lb. (0.9 kg)

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8-Port Gigabit Ethernet Web Smart Switch
2. Overview
2.1 Introduction
The 8-Port Gigabit Ethernet Web Smart Switch provides eight 10-/100-/1000-
Mbps ports. The switch also includes built-in firmware that enables you to
manage the switch via a Web browser.
The compact switch is easy to install. It‘s ideal for small to medium workgroups,
and you can install it where space is limited.
2.2 Features
• Autonegotiates speed between 10, 100, and 1000 Mbps
• Housed in a 9" deep desktop-sized metal case
• Automatically learns networking configurations
• Automatically detects full-/half-duplex modes for any port
• Provides dedicated 2000-Mbps bandwidth
• Uses store-and-forward switching methods
• Offers IEEE 802.x flow control for full-duplex and backpressure flow control for
half-duplex
• Includes non-blocking and non-head-of-line blocking full-wire-speed forwarding
• Provides Auto MDI/MDI-X function for any port, so you don’t need crossover
cables
• Easy to install; just plug and play
2.3 What’s Included
Your package should include the following items. If anything is missing or dam-
aged, contact Black Box Technical Support at 724-746-5500 or info@blackbox.
com.
• Gigabit Ethernet Web Smart Switch
• U.S. power cable
• This user‘s manual

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Chapter 2: Overview
2.4 Hardware Description
2.4.1 Front Panel
Figures 2-1 shows the front panel of the switch. Table 2-1 describes its compo-
nents.
1 2, 3 4
Figure 2-1. LGB4308A front panel.
Table 2-1. LGB4308A front-panel components.
Number Component Description
1 Power LED Lights when the unit’s power is on
2 (8) LEDs LINK/ACT LEDs light when data is being
transmitted or received
3 (8) LEDs 1000 M LEDs light when the ports are
operating at 1000 Mbps
4 (8) RJ-45 ports Link to switch/hubs, PCs, or other devices

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8-Port Gigabit Ethernet Web Smart Switch
2.4.2 Back Panel
Figure 2-2 shows the back panel of the switch. Table 2-2 describes its
components.
5
Figure 2-2. LGB4308A back panel.
Table 2-2. LGB4308A back-panel components.
Number Component Description
5 Outlet Connects to 100–240 VAC power source

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Chapter 3: Configuration
3. Configuration
Follow the steps described here to configure the 8-Port Gigabit Web Smart
switch.
Step 1:
Using a twisted-pair cable, connect the switch to your PC.
Step 2:
Set your PC’s IP to 192.168.1.xx.
Step 3:
Open the Web browser (like Internet Explorer…), and go to 192.168.1.1 site. The
login screen will appear.
Figure 3-1. Login screen.
Type in the user ID and the password:
IP: 192.168.1.1
Password: admin
After the authentication procedure completes, the home page appears.
Step 4:
On the Home page, choose from the following options:
- System
- Port Configuration
- Switch Features

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8-Port Gigabit Ethernet Web Smart Switch
- Logout
Figure 3-2. Home page.
System: About
This screen shows the switch’s hardware and software version.
Figure 3-3. System screen.

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Chapter 3: Configuration
System: Login Password
Figure 3-4. Login Password screen.
Change the password and select the auto logout time, and click “Apply” to
confirm the changes. Reset the switch by powering it off and then on again so the
changes will take effect.
System: IP Address
The IP address screen shows the switch’s MAC address.
Figure 3-5. IP Address screen.
You can change the IP address, and then click “Apply” to confirm the change.
Reset the switch by powering it off and then on again so the changes will take
effect.

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8-Port Gigabit Ethernet Web Smart Switch
System: Configuration Management
Follow the instructions on the screen shown here to upload and download the
new configuration.
Figure 3-6. Configuration Management screen.
System: Factory Default
Click on the checkbox “Restore Factory Defaults,” and then click “Apply”
to confirm.
Figure 3-7. Factory Default screen.

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Chapter 3: Configuration
System: Flash Download
Select the new HEX file to download.
Figure 3-8. Flash Download screen.
System: System Reboot
Click on the “Reboot” button to activate the new configuration.
Figure 3-9. System Reboot screen.

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8-Port Gigabit Ethernet Web Smart Switch
Port Configuration: Packet Counters
This screen shows the Tx and Rx packet counters for every port.
Figure 3-10. Packet Counters screen.
Port Configuration: Port Statistics
This screen provides a detailed overview of every port’s statistics.
Fiigure 3-11. Port Statistics screen.

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Chapter 3: Configuration
Port Configuration: Port Status
This screen shows the link, speed, and flow control status for every port.
Figure 3-12. Port Status screen.
Port Configuration: Port Settings
From this screen, you can enable or disable a port, and select autonegotiation,
speed, and flow control.
Figure 3-13. Port Configuration, Port Settings screen.

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8-Port Gigabit Ethernet Web Smart Switch
Switch Features: VLAN Table
Select and add a group into “VLAN ID” and then click the port number that you
want to put into the selected VLAN group with a tag or without a tag.
Figure 3-14. VLAN Table screen.
Switch Features: VLAN Port Settings
Click on the checkbox to set the VLAN status for each port.
Figure 3-15. VLAN Port Settings screen #1.

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Chapter 3: Configuration
Figure 3-16. VLAN Port Settings screen #2.
Switch Features: Port Monitoring
The switch uses port monitoring to monitor and analyze traffic from a source port
to a destination port.
Select the destination port from Port 1 to Port 8, and then select the source port
by clicking on the check box in the Port Monitoring screen.
Figure 3-17. Port Monitoring screen.

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8-Port Gigabit Ethernet Web Smart Switch
Switch Features: Static Forwarding
Set a new static MAC Address for the port that you want to configure.
Figure 3-18. Static Forwarding screen.
Switch Features: Egress Priority
You can choose from four queues. Set the priority for ports that you want to
configure.
Figure 3-19. Egress Priority screen.