Black Box Switch solid gigabit switching in a rackmount chassis User Manual

LGB516A
LGB524A
Gigabit Unmanaged Switch with SFP Uplinks  
Solid Gigabit switching in a rackmount chassis.  
LGB516A has (12) RJ-45 ports and (4) RJ-45/SFP combo ports.  
LGB524A has (20) RJ-45 ports and (4) RJ-45/SFP combo ports.  
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)  
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax  
724-746-0746 • Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence,  
PA 15055-1018 • Web site: www.blackbox.com • E-mail: [email protected]  
Customer  
Support  
Information  
 
FCC Class B and IC RFI Statements/CE Warning  
FEDERAL COMMUNICATIONS COMMISSION AND  
INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS  
Class B Digital Device. This equipment has been tested and found to comply with  
the limits for a Class B computing device pursuant to Part 15 of the FCC Rules.  
These limits are designed to provide reasonable protection against harmful  
interference in a residential installation. However, there is no guarantee that  
interference will not occur in a particular 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. If this equipment does cause harmful interference to radio or  
telephone reception, which can be determined by turning the equipment off and  
on, the user is encouraged to try to correct the interference by one of the  
following measures:  
• Reorient or relocate the receiving antenna.  
• Increase the separation between the equipment and receiver.  
• Connect the equipment into an outlet on a circuit different from that to which  
the receiver is connected.  
• Consult an experienced radio/TV technician for help.  
Caution:  
Changes or modifications not expressly approved by the party responsible for  
compliance could void the user’s authority to operate the equipment.  
To meet FCC requirements, shielded cables and power cords are required to  
connect this device to a personal computer or other Class B certified device.  
This digital apparatus does not exceed the Class B 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 classe B prescrites dans le  
Règlement sur le brouillage radioélectrique publié par Industrie Canada.  
CE Warning  
This is a Class B product. In a domestic environment, this product may cause  
radio interference in which case the user may be required to take adequate  
measures.  
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NOM Statement  
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.  
5. El aparato eléctrico no deberá ser usado cerca del aguapor 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. ServicioEl 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.  
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NOM Statement  
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.  
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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Table of Contents  
Table of Contents  
1. Specifications ................................................................................................. 7  
2. Overview........................................................................................................ 8  
2.1 Introduction............................................................................................. 8  
2.2 Features................................................................................................... 8  
2.3 What’s Included ...................................................................................... 9  
2.4 Hardware Description.............................................................................. 9  
2.4.1 Gigabit Unmanaged Switch with SFP Uplinks, 16-Port.................. 9  
2.4.2 Gigabit Unmanaged Switch with SFP Uplinks, 24-Port ................10  
3. Connections..................................................................................................12  
3.1 Switch/Hub Connected to 24-Port Gigabit Unmanaged Switch  
with SFP Uplinks (LGB516A)...................................................................12  
3.2 PC/Other Devices Connected to 24-Port Gigabit Unmanaged Switch  
with SFP Uplinks (LGB516A)...................................................................12  
4. Troubleshooting.............................................................................................13  
4.1 Contacting Black Box .............................................................................13  
4.2 Shipping and Packaging .........................................................................13  
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Chapter 1: Specifications  
1. Specifications  
Buffer Memory — LGB516A: 340 KB;  
LGB524A: 500 KB  
Certifications — FCC Class B, CE  
Filtering/Forwarding Rates — 1000-Mbps port: 1,488,000 pps;  
100-Mbps port: 148,800 pps;  
10-Mbps port: 14,880 pps  
Jumbo Frames — 9.6 KB  
Method — Store-and-forward  
MAC Address — 8 K  
Standards — IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab  
1000BASE-T, IEEE 802.3z, IEEE 802.3x flow control  
Transmission Media — 10BASE-T CAT 3, 4, 5 UTP/STP;  
100BASE-TX CAT5 UTP/STP;  
1000BASE-T CAT5e UTP/STP  
Connectors — LGB516A: (12) RJ-45 ports, (4) combo SFP ports;  
LGB524A: (20) RJ-45 ports, (4) combo SFP ports  
Indicators — LGB516A: (37) LEDs: (16) Link/Act, (16) 1000M, (4) F1–F4,  
(1) Power;  
LGB524A: (53) LEDs: (24) Link/Act, (24) 1000M, (4) F1–F4, (1) Power  
Temperature Tolerance — Operating: 32 to 104° F (0 to 40° C);  
Storage: -4 to +194° F (-20 to +90° C)  
Relative Humidity — 10 to 90% noncondensing  
Power — Input: 115–240 VAC, 50–60 Hz;  
Consumption: 25 watts maximum  
Size — 1.7"H x 17.3"W x 8.7"D (4.4 x 44 x 22 cm)  
Weight — LGB516A: 6.4 lb. (2.9 kg);  
LGB524A: 6.6 lb. (3 kg)  
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Chapter 2: Overview  
2. Overview  
2.1 Introduction  
The Switch provides (16) or (24) 10-/100-/1000-Mbps RJ-45 ports and can  
support (4) Combo SFP ports for uplink. The switch is easy to install and provides  
high performance in an environment where traffic on the network and the  
number of users increases continuously. The switch uses the latest Gigabit chipsets  
providing it with the best performance and features available; this enables the  
switch to support full-duplex Gigabit speed on every port without any issues.  
The switch also provides MDI/MDI-X automatic crossover detection on every port,  
so it connects to another switch without crossover cable.  
The 19" rackmount size makes the switch a perfect fit for medium to large work-  
groups. It fits easily into your existing 19" racks and only uses 1 rack unit (RU) of  
space. Because the switch is unmanaged, it’s easy to install. Just install the switch  
in your rack or cabinet and you are ready to connect up to 16 more devices to  
your network.  
2.2 Features  
• Complies with the IEEE 802.3 Ethernet, IEEE 802.3u Fast Ethernet and IEEE  
802.3ab Gigabit Ethernet standards.  
• Provides (16) or (24) 10-/100-/1000-Mbps Gigabit switching ports  
and (4) Combo SFPs.  
• 19" rackmount size.  
• Supports non-blocking and non-head-of-line blocking full-wire-speed  
forwarding.  
• Supports store-and-forward operation.  
• Features an embedded 500 KB packet buffer.  
• Supports 9.6 KB JUMBO packets  
• Provides 8K MAC address entry.  
• Supports broadcast storm filtering.  
• All ports provide autonegotiation and Auto-MDI/ MDI-X functions.  
• Supports flow control: backpressure for half-duplex and IEEE 802.3x for  
full-duplex mode.  
• Smart plug-and-play.  
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Chapter 2: Overview  
2.3 What’s Included  
Before you start to install this Switch, verify that your package contains the  
following items:  
• (1) Gigabit Unmanaged Switch with SFP Uplinks, 16-Port (LGB516A) or 24-Port  
(LGB524A)  
• (1) rackmount kit for rack installation  
• (1) AC power cord  
• This user’s manual  
NOTE: If any of these items is found missing or damaged, please contact your  
Black Box Technical Support at 724-746-5500 or [email protected] for  
replacement.  
2.4 Hardware Description  
2.4.1 Gigabit Unmanaged Switch with SFP Uplinks, 16-Port  
Figures 2-1 and 2-2 illustrate the front and back panels of the Gigabit Unmanaged  
Switch, 16-Port. Table 2-1 describes its components.  
3
6
5
1
2 4  
6
6
5
Figure 2-1. LGB516A front panel.  
7
8
Figure 2-2. Power switch and connector on the LGB516A back panel.  
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Chapter 2: Overview  
Table 2-1. LGB516A components.  
Number in Figures 2-1  
and 2-2  
Component  
Status  
Description  
1
(1) Power LED  
On  
Lights when power to unit is on.  
On  
Fiber port(s) are active.  
(4) FIber LEDs (F1–  
F4)  
2
3
Flashing  
On  
Switch is passing data.  
Link is running at 1000 Mbps.  
Link is running at 10/100 Mbps.  
Light when SFP is connected.  
(16) 1000M LEDs  
Off  
On  
4
(16) Link/Act LEDs  
(12) RJ-45 ports  
Flashing  
Switch is passing data.  
Links to RJ-45 ports.  
5
6
(4) RJ-45/SFP  
combo ports  
Link to either RJ-45 or SFP devices.  
ON  
OFF  
Power to switch is on.  
Power to switch is off.  
90–260 VAC, 50–60 Hz  
7
8
ON/OFF switch  
AC input connector  
2.4.2 Gigabit Unmanaged Switch with SFP Uplinks, 24-Port  
Figures 2-3 and 2-4 illustrate the front and back panels of the Gigabit Unmanaged  
Switch, 24-Port. Table 2-2 describes its components.  
3
6
5
1
2 4  
6
6
5
Figure 2-3. LGB524A front panel.  
7
8
Figure 2-4. Power switch and connector on the LGB524A back panel.  
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Chapter 2: Overview  
Table 2-2. LGB524A components.  
Number in Figures  
2-3 and 2-4  
Component  
Status  
Description  
Lights when power to unit is on.  
1
(1) Power LED  
On  
On  
Fiber port(s) are active.  
(4) FIber LEDs (F1–  
F4)  
2
Flashing  
On  
Switch is passing data.  
Link is running at 1000 Mbps.  
Link is running at 10/100 Mbps.  
Light when SFP is connected.  
3
4
(24) 1000M LEDs  
Off  
On  
(24) Link/Act LEDs  
(20) RJ-45 ports  
Flashing  
Switch is passing data.  
Links to RJ-45 ports.  
5
6
(4) RJ-45/SFP  
combo ports  
Link to either RJ-45 or SFP devices.  
Power to switch is on.  
ON  
7
8
ON/OFF switch  
OFF  
Power to switch is off.  
AC input connector  
90–260 VAC, 50–60 Hz.  
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Chapter 3: Connections  
3. Connections  
3.1 Switch/Hub Connected to 24-Port Gigabit Unmanaged Switch with SFP  
Uplinks (LGB524A)  
The switch provides automatic crossover detection for any port. This enables you  
to connect to another switch without using a crossover cable.  
24-Port Gigabit  
Unmanaged Switch  
with SFP Uplinks  
Uplink  
(LGB524A)  
Ethernet  
switch  
Ethernet  
switch  
Ethernet  
switch  
Mac®  
PC  
PC  
PC  
PC  
Server  
Workstation  
PC  
Server  
Figure 3-1. Switch connected to LGB524A.  
3.2 PC/Other Devices Connected to 24-Port Gigabit Unmanaged Switch  
with SFP Uplinks (LGB524A)  
The switch provides automatic crossover detection for any port. This enables you  
to connect to PCs, servers, and other network devices without using either a  
straight-through or crossover cable.  
24-Port Gigabit  
Unmanaged Switch  
with SFP Uplinks  
(LGB524A)  
Mac  
PC  
Server  
Workstation  
Figure 3-2. PC/other devices connected to LGB524A.  
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Chapter 4: Troubleshooting  
4. Troubleshooting  
4.1 Contacting Black Box  
If you determine that your Gigabit Unmanaged Switch with SFP Uplinks is  
malfunctioning, do not attempt to alter or repair the unit. It contains no  
user-serviceable parts. Contact Black Box Technical Support at 724-746-5500  
Before you do, make a record of the history of the problem. We will be able to  
provide more efficient and accurate assistance if you have a complete description,  
including:  
• the nature and duration of the problem.  
• when the problem occurs.  
• the components involved in the problem.  
• any particular application that, when used, appears to create the problem or  
make it worse.  
4.2 Shipping and Packaging  
If you need to transport or ship your Gigabit Unmanaged Switch with SFP Uplinks:  
• Package it carefully. We recommend that you use the original container.  
• If you are returning the unit, make sure you include everything you received  
with it. Before you ship for return or repair, contact Black Box to get a Return  
Authorization (RA) number.  
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NOTES  
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NOTES  
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Black Box Tech Support: FREE! Live. 24/7.  
Tech support the  
way it should be.  
Great tech support is just 30 seconds away at  
724-746-5500 or blackbox.com.  
About Black Box  
Black Box provides an extensive range of networking and infrastructure products.  
You’ll find everything from cabinets and racks and power and surge protection  
products to media converters and Ethernet switches all supported by free, live 24/7  
Tech support available in 30 seconds or less.  
© Copyright 2013. Black Box Corporation. All rights reserved.  
LGB516A_LGB524A, version 1  
724-746-5500 | blackbox.com  
 

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