Black Box Computer Hardware PoE PSE Media Converter User Manual

May 2010  
LPS500A-MM-LC  
LPS500A-SM-10K-LC  
LPS500A-MM-SC  
LPS500A-SM-10K-SC  
PoE PSE Media Converter, 10/100/1000BASE-T to 1000BASE-SX/LX  
Connect two types of network segments together  
easily and inexpensively at Gigabit speeds while  
also supplying power to PoE/PD devices such as  
VoIP phones.  
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 •  
Customer  
Support  
Information  
NOM Statement  
Instrucciones de Seguridad  
(Normas Oficiales Mexicanas Electrical Safety Statement)  
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 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 a 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.  
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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Page 3  
PoE PSE Media Converters, 10/100/1000BASE-T to 1000BASE-SX/LX  
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.  
We‘re here to help! If you have any questions about your application  
or our products, contact Black Box Tech Support at 724-746-5500  
or go to blackbox.com and click on “Talk to Black Box.”  
You’ll be live with one of our technical experts in less than 20 seconds.  
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Page 4  
Table of Contents  
Table of Contents  
Chapter  
Page  
1. Specifications...................................................................................................................................................................................... 6  
2. Overview ............................................................................................................................................................................................ 7  
2.1 Introduction ................................................................................................................................................................................ 7  
2.2 Features...................................................................................................................................................................................... 7  
2.3 What’s Included.......................................................................................................................................................................... 8  
2.4 Front and Back Panels ................................................................................................................................................................. 8  
2.5 LED Indicators ............................................................................................................................................................................. 9  
2.6 Side Panel DIP Switches and Reset Button ................................................................................................................................... 9  
3. Installation .........................................................................................................................................................................................11  
3.1 Connecting Hardware ................................................................................................................................................................11  
3.2 PoE Endpoint RJ-45 Pin Assignment...........................................................................................................................................12  
4. Link Fault Passthrough........................................................................................................................................................................13  
5. Cable Connection Parameters ............................................................................................................................................................15  
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Page 5  
PoE PSE Media Converters, 10/100/1000BASE-T to 1000BASE-SX/LX  
1. Specifications  
Data Transfer Rate: 1000 Mbps: 1,488,000 pps;  
100 Mbps: 148,800 pps;  
10 Mbps: 14,880 pps  
Fiber Cable: 50/125, 62.5/125, or 100/140 µm multimode; 8.3/125, 8.7/125, 9/125, or 10/125 µm single-mode  
Flow Control: IEEE 802.3x compliant for full-duplex; backpressure flow control for half-duplex  
PSE Power Feeding Supports: “Endpoint” via twisted-pair Pins 1, 2, 3, 6  
Standards: IEEE 802.3u 10BASE-T/100BASE-TX, 100BASE-FX; IEEE 802.3z/ab 1000BASE-T ; IEEE 802.3af Power over Ethernet  
UTP Cable: CAT5 or better cable; up to 328 feet (100 m)  
Indicators: FX: (2) LEDs: Power, Link/Act;  
PSE-TP: (6) LEDs: PoE, SPD, Link/Act, 4W, 7W, 15.4 W  
Power: 100–240 VAC, 50–60 Hz, 24 W  
Temperature Tolerance: 32 to 122° F (0 to 50° C)  
Humidity: 5 to 90%  
Size: 1.6"H x 6.2"W x 5.3"D (4 x 15.8 x 13.3 cm)  
NOTE: To connect this device to a router, bridge, or switch, refer to the corresponding device’s user’s manual.  
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Page 6  
Chapter 2: Overview  
2. Overview  
2.1 Introduction  
Use the PoE PSE Media Converter, 10/100/1000BASE-T to 1000BASE-SX/LX to connect two types of network segments easily  
and inexpensively. It complies with IEEE 802.3af power over Ethernet (PoE) standard. The AC-powered PoE media converter is  
power sourcing equipment (PSE) that combines data received over a twisted-pair link with -48 VDC, providing power to an IEEE  
802.3af-powered device (PD) over the existing CAT5 UTP cable.  
The media converter includes PD signature sensing and power monitoring. It also features overcurrent protection, undercurrent  
detection, and fault protection input. The Link Fault Passthrough (LFP) allows the media converter to monitor both the fiber and  
copper RX ports for loss of signal. In case of a loss of RX signal on one media port, the converter will automatically disable the TX  
signal to the other media port, passing through the link fault. Far End Fault (FEF) enables the converter to stop sending link pulse  
to the link partner once a loss of the fiber RX signal is encountered. Then the link partner will synchronously stop sending data.  
FEF prevents loss of valuable data transmitted over an invalid link.  
Available models include:  
• LPS500A-MM-SC: PoE PSE Media Converter, 10/100/1000BASE-T to 1000BASE-SX, SC connectors, multimode fiber  
• LPS500A-SM-10K-SC: PoE PSE Media Converter, 10/100/1000BASE-T to 1000BASE-SX, SC connectors, single-mode fiber,  
10 km  
• LPS500A-MM-LC: PoE PSE Media Converter, 10/100/1000BASE-T to 1000BASE-SX, LC connectors, multimode  
• LPS500A-SM-10K-LC: PoE PSE Media Converter, 10/100/1000BASE-T to 1000BASE-SX, LC connector, single-mode fiber, 10km  
2.2 Features  
• IEEE 802.3af PoE PSE compatible  
• Internal AC power supply  
• Overcurrent protection  
• Undercurrent detection  
• Minimum load sensing  
• Fault protection Input  
• PSE MDI power enable/disable  
• LFP and FEF  
• Supports one 10/100/1000BASE-T Gigabit Ethernet UTP port and one 1000BASE-SX/LX (SC/LC) Gigabit Ethernet fiber port  
• Supports 802.3x flow control for full-duplex ports and backpressure for half-duplex ports  
• Supports comprehensive types of fiber with different distances and connections, including SC and LC  
• Supports auto mode on the twisted-pair port  
• DIP switch to set configurations  
• Supports jumbo frame (Normal Mode: 2 KB, Cut-Through Mode: 9 KB)  
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Page 7  
PoE PSE Media Converters, 10/100/1000BASE-T to 1000BASE-SX/LX  
2.3 What’s Included  
Your package should include the following items. If anything is missing or damaged, please contact Black Box Technical Support  
at 724-746-5500.  
• (1) 10/100/1000BASE-T To 1000BASE-X PoE Media Converter  
• (1) AC power cord  
• (1) user manual on CD-ROM  
2.4 Front and Back Panels  
The media converter has one Gigabit Ethernet twisted-pair port and one fiber port on its front panel. It also has a Power LED on  
the front panel. The AC power input connector is on the back panel.  
1
2
3
Figure 2-1. Front panel.  
4
Figure 2-2. Back panel.  
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Page 8  
Chapter 2: Overview  
Table 2-1. Front- and back-panel components.  
Number  
Component  
Description  
1
2
3
4
RJ-45 port  
Links to twisted-pair Gigabit Ethernet  
LED indicators  
Described in Table 2-2.  
Links to fiber.  
(2) SC or LC connectors  
3-prong power outlet  
Links to power cord.  
2.5 LED Indicators  
Table 2-2. Indicators and their functions.  
LED  
Color  
Function  
FX LNK/ACT  
Green  
Lit when fiber connection is good.  
Blinks when fiber data is present.  
TP LNK/ACT  
TP SPD  
Green  
Green  
Lit when TP connection is good.  
Blinks when TP data is present.  
Lit when TP speed is 1000 Mbps.  
Off when TP speed is 100 or 10 Mbps.  
Lit when TP speed is 100 Mbps.  
Amber  
Off when TP speed is 1000 or 10 Mbps.  
Lit when 5-V power is coming up.  
Lit when PoE input power is active.  
PWR  
Green  
Green  
Red  
PoE PSE-TP  
Lit when PoE input power is disrupted (caused by overtempera-  
ture/overcurrent).  
4W  
Green  
Green  
Green  
Lit when PD Class Type is Class 1.  
Lit when PD Class Type is Class 2.  
Lit when PD Class Type is Class 0 or 3.  
7W  
15.4W  
2.6 Side Panel DIP Switches and Reset Button  
DIP switches and a reset button are on the side panel of the converter. See Figure 2-3.  
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Page 9  
PoE PSE Media Converters, 10/100/1000BASE-T to 1000BASE-SX/LX  
Figure 2-3. DIP switches and Reset button on the converter’s side panel.  
Table 2-3. Side panel components and their functions.  
Component  
Setting  
Function  
Reset button  
Press once  
After you change the DIP switch settings, you must press the Reset  
button for changes to take effect.  
DIP Switch S1-1 Bridge mode  
Up  
Cut-through (default) mode supports jumbo frames size  
up to 9216 Bytes.  
Down  
Normal mode supports frame size up to 2048 Bytes.  
DIP Switch S1-2 LFP  
Up  
Down  
LFP enabled (default)  
LFP disabled  
DIP Switch S1-3 PoE ON/OFF  
PoE ON  
PoE OFF  
Powering PD devices (enabled [default])  
Not powering PD devices (disabled)  
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Page 10  
Chapter 3: Installation  
3. Installation  
3.1 Connecting Hardware  
The 10/100/1000BASE-T PoE PSE to 1000BASE-X Media Converter requires no software configuration. To install the media  
converter, follow the steps below:  
1. Connect the PSE media converter to an AC power source.  
2. Connect a PoE/PD device to the PSE/TP port on the media converter using the appropriate twisted-pair cable. The media  
converter can also work as a standard media converter when PoE is disabled.  
3. Connect the FX port to a fiber network using the appropriate fiber cable.  
WARNING: Verify that the AC input conforms to your country’s AC power requirement before inserting the power plug.  
10/100/1000BASE-T to  
1000BASE-SX/LX PoE  
Media Converter  
Links to PD  
device  
Links to 1000BASE-X  
fiber network  
Figure 3-1. Connecting PSE PoE converter and cables.  
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Page 11  
PoE PSE Media Converters, 10/100/1000BASE-T to 1000BASE-SX/LX  
3.2 PoE Endpoint RJ-45 Pin Assignment  
IEEE 802.3af assigns pairs on the RJ-45 connector of the CAT5 cable as shown in Figure 3-2.  
Endpoint: -48V via twisted-pair Pins 1, 2, 3, 6.  
Figure 3-2. Endpoint PSE RJ-45 male connector.  
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Page 12  
Chapter 4: Link Fault Passthrough  
4. Link Fault Passthrough  
This converter supports link fault passthrough (LFP). Link status on one port is sent to the other port to identify the remote nodes.  
If the twisted-pair port is unplugged, the converter stops transmission on the fiber port. This causes the remote fiber node link to  
fail. LEDs indicate the link failure on both twisted-pair and fiber ports.  
If the fiber link fails, the converter restarts autonegotiation on the twisted-pair port but stays in the link failure state. This causes  
the remote twisted-pair node link to fail. LED also indicates the link failure on both twisted-pair and fiber ports.  
Refer to Figure 4-1 for the normal status when the link succeeds. Refer to Figure 4-2 and Figure 4-3 for the error status when TP  
Cable A, Fiber Cable B, or Fiber Cable C fails to connect.  
NOTE: LFP function only takes effect when S1-2 (see Figure 2-3) is enabled. Disabling S1-2 will turn LFP off.  
• indicates LNK/ACT LED Lit  
° indicates LNK/ACT LED Off  
Gigabit  
Ethernet  
switch  
Gigabit  
Ethernet  
switch  
Remote  
station  
LFP  
LFP  
A
D
B
TP  
TP  
C
Fiber  
cable  
Figure 4-1. Normal status via a pair of LFPs.  
Gigabit  
Gigabit  
Ethernet  
switch  
Remote  
station  
Ethernet  
switch  
LFP  
LFP  
A
D
B
TP  
TP  
C
Fiber  
cable  
Figure 4-2. The status when TP Cable A or D is broken.  
Gigabit  
Ethernet  
switch  
Gigabit  
Ethernet  
switch  
Remote  
station  
LFP  
LFP  
A
D
B
TP  
TP  
C
Fiber  
cable  
Figure 4-3. The status when Fiber Cable B or C is broken.  
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Page 13  
PoE PSE Media Converters, 10/100/1000BASE-T to 1000BASE-SX/LX  
Gigabit  
Ethernet  
switch  
Remote  
station  
Gigabit Ethernet  
Fiber switch  
LFP  
A
B
TP  
C
Fiber  
cable  
Figure 4-4. Normal status via one LFP.  
Gigabit  
Ethernet  
switch  
Remote  
station  
Gigabit Ethernet  
Fiber switch  
LFP  
A
B
TP  
C
Fiber  
cable  
Figure 4-5. The status when twisted-pair Cable A is broken.  
Gigabit  
Ethernet  
switch  
Remote  
station  
Gigabit Ethernet  
Fiber switch  
LFP  
A
B
TP  
C
Fiber  
cable  
Figure 4-6. The status when fiber Cable B or C is broken.  
NOTE: The LFP function can work with different link partners (for example, a fiber port on a switch). You do not have to use  
these units in pairs for this function to work.  
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Page 14  
Chapter 5: Cable Connection Parameters  
5. Cable Connection Parameters  
1000BASE-SX/LX networks only support full-duplex mode. The switch-based media converter breaks the twisted-pair and fiber  
segments’ collision domain to extend the cabling distance.  
TP cable limitations: CAT5 and up to 328 feet (100 m)  
Table 5-1. Mulltimode fiber cable limitations.  
Mode  
Multimode Fiber  
62.5/125 µm  
Multimode Fiber  
50/125 µm  
Bandwidth (MHz-km)  
Distance  
Bandwidth (MHz-km)  
Distance  
1000SX (SC/LC) 160 m  
850nm  
220 m  
400  
500 m  
1000LX (SC/LC) Single-mode fiber 9/125 µm  
1310 nm  
Single-mode transceiver 1310 nm: 10 km  
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Page 15  
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