Black Box LGC210A-R2 User manual

USER MANUAL
24/7 TECHNICAL SUPPORT AT 1.877.877.2269 OR VISIT BLACKBOX.COM
LHC210A, LHC211A, LHC212A, LGC210A-R2, LGC211A, LGC212A, LHGC-RACK
MEDIA
CONVERTERS
AND CHASSIS

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TABLE OF CONTENTS
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1. SPECIFICATIONS...................................................................................................................................................................................... 3
2. OVERVIEW................................................................................................................................................................................................. 4
2.1 Introduction.......................................................................................................................................................................................................... 4
2.2 Features ............................................................................................................................................................................................................... 4
2.3 What’s Included................................................................................................................................................................................................... 4
2.4 Hardware Description......................................................................................................................................................................................... 5
2.4.1 LHC210A...........................................................................................................................................................................................................................5
2.4.2 LHC211A...........................................................................................................................................................................................................................6
2.4.3 LHC212A ..........................................................................................................................................................................................................................7
2.4.4 LGC210A-R2 ....................................................................................................................................................................................................................8
2.4.5 LGC211A ...........................................................................................................................................................................................................................9
2.4.6 LGC212A.........................................................................................................................................................................................................................10
2.4.7 LHGC-RACK ...................................................................................................................................................................................................................11
2.5 Application Diagram ......................................................................................................................................................................................... 12
3. INSTALLING THE CONVERTERS........................................................................................................................................................... 13
3.1 Initial Steps for Standalone or Rackmount Installation ................................................................................................................................. 13
3.1.1 Install the SFP Module in the SFP Cage (LHC210A and LGC210A-R2 Only) ....................................................................................................13
3.1.2 Set the DIP Switches (LHC210A, LHC211A and LHC212A Only) ........................................................................................................................13
3.2 Installing the Converter as a Standalone Unit ................................................................................................................................................ 15
3.2.1 Connect the Media Cables (LHC210A, LHC211A, LHC212A, LGC210A-R2, LGC211A, LGC212A)..............................................................15
3.3 Installing the Media Converters in the 14-Slot Chassis................................................................................................................................. 15
3.3.1 Install the Chassis in a 19" Cabinet or Rack ............................................................................................................................................................15
3.3.2 Plug the Media Converters into the Chassis Slots.................................................................................................................................................15
3.3.3 Connect the Network Cables .....................................................................................................................................................................................15
3.4 Installation Diagram.......................................................................................................................................................................................... 16
4. MAINTENANCE AND TROUBLESHOOTING......................................................................................................................................... 17
4.1 Maintenance ...................................................................................................................................................................................................... 17
4.1.1 Finding Out the Problems ............................................................................................................................................................................................17
4.1.2 Replacing the Power Supply .......................................................................................................................................................................................17
4.2 Troubleshooting ................................................................................................................................................................................................ 17
APPENDIX A: REGULATORY INFORMATION ........................................................................................................................................... 18
A.1 FCC Statement .................................................................................................................................................................................................. 18
A.2 NOM Statement ................................................................................................................................................................................................ 19
APPENDIX B: DISCLAIMER/TRADEMARKS ............................................................................................................................................ 20
B.1 Disclaimer .......................................................................................................................................................................................................... 20
B.2 Trademarks Used in this Manual..................................................................................................................................................................... 20

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TABLE 1-1. CHASSIS SPECIFICATIONS
SPECIFICATION DESCRIPTION
Number of Slots 14
Compatible Media Converters LHC210A, LHC211A, LHC212A, LGC210A-R2, LGC211A, LGC212A
Media Supported 10/100/1000BASE-T twisted pair and 10/100/1000BASE-FX fiber optic cable
Connectors Depends on media converters installed
Power
Dual Power supplies included: (1) LHGC-RACK-PS-L and (1) LHGC-RACK-PS-R;
Input: 100-240 VAC, 50/60 Hz, 3.0 A;
Output: 5 VDC, 12 A, 60 W;
Connector: IEC320 C14 on each power supply;
Circuit breaker for overvoltage or short circuit protection
Temperature
Operating: 32 to 122° F (0 to 50° C);
Storage: -4 to 185° F (-20 to +85° C)
Relative Humidity 5 to 95%, noncondensing
Dimensions 3.5” H (2U) x 19” W x 9.1" D (8.9 x 48.2 x 23.1 cm)
Weight 15.4 lb. (7.0 kg)
Mounting Comes with blanks and mounting hardware for 14 converters
TABLE 1-2. MEDIA CONVERTERS SPECIFICATIONS
SPECIFICATION DESCRIPTION
Approvals FCC Class B, CE, RoHS
Standards
LHC210A, LHC211A, LHC212A: 10/100BASE-TX, 100BASE-FX;
LGC210A-R2: LGC211A, LGC212A: 10/100BASE-TX/1000BASE-TX, 1000BASE-FX
Media Supported
10/100/1000BASE-T: CAT5 UTP/STP, max. 328 ft. (100 m);
100/1000BASE-FX
Connectors
All: (1) RJ-45,
LHC210A, LGC210A-R2: (1) SFP slot;
LHC211A, LGC211A: (1) MM SC;
LHC212A, LGC212A: (1) SM SC;
User Controls LHC210A. LHC211A, LHC212A: (2) 4-position DIP switches C210A,
Maximum Distance
LHC210A, LGC210A-R2: Depends on SFP installed;
LHC211A: 1.2 mi. (2 km) over multimode fiber optic cable:
LHC212A: 12.4 mi. (20 km) over single-mode fiber optic cable;
LGC211A: 1640 ft. (500 m) over multimode fiber optic cable;
LGC212A: 6.2 mi. (10 km) over single-mode fiber optic cable
NIC Transmission Rate LHC210A, LHC211A, LHC212A: 10/100 Mbps, auto MDI/MDI-X;
LGC210A-R2, LGC211A, LGC212A: 10/100/1000 Mbps, auto MDI/MDI-X
Optical Port Transmission Rate LHC210A, LHC211A, LHC212A: 100 Mbps;
LGC210A-R2, LGC211A, LGC212A: 1000 Mbps
Optical Connector Wavelength
LHC210A, LGC210A-R2: Depends on SFP installed;
LHC211A, LHC212A, LGC212A; 1310 nm:
LGC211A: 850 nm
Power
All: 5 VDC;
LHC210A, LHC211A, LHC212A: <1 W;
LGC210A-R2, LGC211A, LGC212A: <3 W
Temperature
Operating: 32 to 122° F (0 to 50° C);
Storage: -4 to 158° F (-20 to +70° C)
Relative Humidity 5 to 90%, noncondensing
Dimensions Each unit: 1" H x 3.7" W x 2.7" D (2.5 x 9.4 x 6.9 cm)
CHAPTER 1: SPECIFICATIONS

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CHAPTER 2: OVERVIEW
2.1 INTRODUCTION
The 10/100 and 10/100/1000 Media Converters support four types of media for network connection, including 10/100BASE-T
and 10/100/1000BASE-T for twisted-pair connection, and 1000BASE-FX and 100BASE-FX for single-mode or multimode fiber
connection. The chassis can hold up to 14 media converters.
2.2 FEATURES
Complies with IEEE 802.3 10/100BASE-TX, 10/100/1000BASE-TX, 1000BASE-TX, and 100BASE-FX standards
Each media converter has one RJ-45 twisted-pair port and one MM or SM SC port or SFP module slot
Twisted-pair port supports auto-adaption rate and full/half-duplex mode, as well as auto MDI/MDI-X
Six LEDs indicate optical power and twisted-pair port status
Chassis includes a built in power supply and Media Converters come with an external power supply which will not be used
if they are going to be used in the chassis
Optional 2U chassis holds up to 14 media converters for convenient mounting in a 19" rack or cabinet
2.3 WHAT’S INCLUDED
Before you start installing the Converter, verify that the package contains the following:
LHC210A, LHC211A, LHC212A, LGC210A-R2, LGC211A or LGC212A:
The TP-Fiber Converter
5-VDC Power Adapter
LHGC-RACK:
(2) Power supplies
(14) Rackmount brackets
If anything is missing or damaged, contact Black Box Technical Support at 877-877-2269 or [e-mail]

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CHAPTER 2: OVERVIEW
2.4 HARDWARE DESCRIPTION
2.4.1 L H C 210 A
Figures 2-1 and 2-2 show the front and back panels of the LHC210A converter. Tables 2-1 and 2-2 describe its components.
FIGURE 2-1. LHC210A FRONT PANEL
4 5
FIGURE 2-2. LHC210A BACK PANEL
TABLE 2-1. LHC210A MEDIA CONVERTER COMPONENTS
NUMBER IN FIGURE 2-1 OR 2-2 COMPONENT DESCRIPTION
1 SFP cage SFP module installs here
2 LED indicators See Table 2-2
3 RJ-45 connector Links to RJ-45 cable
4 Barrel connector for power Links to 5-VDC power supply
5 (2) 4-position DIP switches, numbered 1–8 See Table 3-2
TABLE 2-2. LHC210A LED INDICATORS
LED NAME STATUS DESCRIPTION
PWR ON Power is ON and normal
FX Link/ACT
ON Connection Status display for fiber link. ON indicates that the fiber link is correctly connected
Blinking Packet is being transmitted through the FX end
SD ON Fiber signal is detected
100M
ON Link is operating at 100 Mbps
OFF Link is operating at 10 Mbps
TX Link/Act ON Connection status display for copper link. ON indicates that the link is correctly connected
TX FDX/COL Blinking Active status display of copper link. Packet is being transmitted through the TX end
1 2 3

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CHAPTER 2: OVERVIEW
2.4.2 L H C 211A
Figures 2-3 and 2-4 show the front and back panels of the LHC211A converter. Tables 2-3 and 2-4 describe its components.
1 2 3
FIGURE 2-3. LHC211A FRONT PANEL
4 5
FIGURE 2-4. LHC211A BACK PANEL
TABLE 2-3. LHC211A MEDIA CONVERTER COMPONENTS
NUMBER IN FIGURE 2-3 OR 2-4 COMPONENT DESCRIPTION
1 MM 1310 Fiber SC connectors Links to 1310 MM Fiber cable
2 LED indicators See Table 2-4
3 RJ-45 connector Links to RJ-45 cable
4 Barrel connector for power Links to 5-VDC power supply
5 (2) 4-position DIP switches, numbered 1–8 See Table 3-2
TABLE 2-4. LHC211A LED INDICATORS
LED NAME STATUS DESCRIPTION
PWR ON Power is ON and normal
FX Link/ACT
ON Connection Status display for fiber link. ON indicates that the fiber link is correctly connected
Blinking Packet is being transmitted through the FX end
SD ON Fiber signal is detected
100M
ON Link is operating at 100 Mbps
OFF Link is operating at 10 Mbps
TX Link/Act ON Connection status display for copper link. ON indicates that the link is correctly connected
TX FDX/COL Blinking Active status display of copper link. Packet is being transmitted through the TX end

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CHAPTER 2: OVERVIEW
2.4.3 LHC212 A
Figures 2-5 and 2-6 show the front and back panels of the LHC212A converter. Tables 2-5 and 2-6 describe its components.
1 2 3
FIGURE 2-5. LHC212A FRONT PANEL
4 5
FIGURE 2-6. LHC212A BACK PANEL
TABLE 2-5. LHC212A MEDIA CONVERTER COMPONENTS
NUMBER IN FIGURE 2-5 OR 2-6 COMPONENT DESCRIPTION
1 SM 1310 Fiber SC connectors Links to 1310 SM Fiber cable
2 LED indicators See Table 2-6
3 RJ-45 connector Links to RJ-45 cable
4 Barrel connector for power Links to 5-VDC power supply
5 (2) 4-position DIP switches, numbered 1–8 See Table 3-2
TABLE 2-6. LHC212A LED INDICATORS
LED NAME STATUS DESCRIPTION
PWR ON Power is ON and normal
FX Link/ACT
ON Connection Status display for fiber link. ON indicates that the fiber link is correctly connected
Blinking Packet is being transmitted through the FX end
SD ON Fiber signal is detected
100M
ON Link is operating at 100 Mbps
OFF Link is operating at 10 Mbps
TX Link/Act ON Connection status display for copper link. ON indicates that the link is correctly connected
TX FDX/COL Blinking Active status display of copper link. Packet is being transmitted through the TX end

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CHAPTER 2: OVERVIEW
2.4.4 LGC210A-R2
Figures 2-7 and 2-8 show the front and back panels of the LGC210A-R2 converter. Tables 2-7 and 2-8 describe its components.
1 2 3
FIGURE 2-7. LGC210A-R2 FRONT PANEL
4
FIGURE 2-8. LGC210A-R2 BACK PANEL
TABLE 2-7. LGC210A-R2 MEDIA CONVERTER COMPONENTS
NUMBER IN FIGURE 2-7 OR 2-8 COMPONENT DESCRIPTION
1 SFP cage SFP module installs here
2 LED indicators See Table 2-8
3 RJ-45 connector Links to RJ-45 cable
4 Barrel connector for power Links to 5-VDC power supply
TABLE 2-8. LGC210A-R2 LED INDICATORS
LED NAME STATUS DESCRIPTION
PWR ON Power is ON and normal
FX Link/ACT
ON Connection Status display for fiber link. ON indicates that the fiber link is correctly connected
Blinking Packet is being transmitted through the FX end
SD ON Fiber signal is detected
1000M
ON Link is operating at 1000 Mbps
OFF Link is operating at 10/100 Mbps
TX Link/Act ON Connection status display for copper link. ON indicates that the link is correctly connected
TX FDX/COL Blinking Active status display of copper link. Packet is being transmitted through the TX end

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CHAPTER 2: OVERVIEW
2.4.5 LGC211A
Figures 2-9 and 2-10 show the front and back panels of the LGC211A converter. Tables 2-9 and 2-10 describe its components.
1 2 3
FIGURE 2-9. LGC211A FRONT PANEL
4
FIGURE 2-10. LGC211A BACK PANEL
TABLE 2-9. LGC211A MEDIA CONVERTER COMPONENTS
NUMBER IN FIGURE 2-9 OR 2-10 COMPONENT DESCRIPTION
1 MM 850 Fiber SC connectors Links to 850 MM Fiber cable
2 LED indicators See Table 2-10
3 RJ-45 connector Links to RJ-45 cable
4 Barrel connector for power Links to 5-VDC power supply
TABLE 2-10. LGC211A LED INDICATORS
LED NAME STATUS DESCRIPTION
PWR ON Power is ON and normal
FX Link/ACT
ON Connection Status display for fiber link. ON indicates that the fiber link is correctly connected
Blinking Packet is being transmitted through the FX end
SD ON Fiber signal is detected
1000M
ON Link is operating at 1000 Mbps
OFF Link is operating at 10/100 Mbps
TX Link/Act ON Connection status display for copper link. ON indicates that the link is correctly connected
TX FDX/COL Blinking Active status display of copper link. Packet is being transmitted through the TX end

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CHAPTER 2: OVERVIEW
2.4.6 LGC212A
Figures 2-11 and 2-12 show the front and back panels of the LGC212A converter. Tables 2-11 and 2-12 describe its components.
1 2 3
FIGURE 2-11. LGC212A FRONT PANEL
4
FIGURE 2-12. LGC212A BACK PANEL
TABLE 2-11. LGC212A MEDIA CONVERTER COMPONENTS
NUMBER IN FIGURE 2-11 OR 2-12 COMPONENT DESCRIPTION
1 SM 1310 Fiber SC connectors Links to 1310 SM Fiber cable
2 LED indicators See Table 2-12
3 RJ-45 connector Links to RJ-45 cable
4 Barrel connector for power Links to 5-VDC power supply
TABLE 2-12. LGC212A LED INDICATORS
LED NAME STATUS DESCRIPTION
PWR ON Power is ON and normal
FX Link/ACT
ON Connection Status display for fiber link. ON indicates that the fiber link is correctly connected
Blinking Packet is being transmitted through the FX end
SD ON Fiber signal is detected
1000M
ON Link is operating at 1000 Mbps
OFF Link is operating at 10/100 Mbps
TX Link/Act ON Connection status display for copper link. ON indicates that the link is correctly connected
TX FDX/COL Blinking Active status display of copper link. Packet is being transmitted through the TX end

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CHAPTER 2: OVERVIEW
2.4.7 LHGC-RACK
Figure 2-13 shows the front of the rackmount chassis with media converters and blank slot covers installed. Figure 2-14 shows the
back of the rackmount chassis. Table 2-13 describes its components.
1 2 3
FIGURE 2-13. LHGC-RACK, FRONT VIEW
4 5 4 5
FIGURE 2-14. LHGC-RACK, BACK VIEW
TABLE 2-13. MEDIA CONVERTER CHASSIS COMPONENTS
NUMBER IN FIGURE 2-12 OR 2-14 COMPONENT DESCRIPTION
1 Blank slot cover SFP module installs here
2 Media Converter Media Converter installs here
3 Rackmount ears Attaches to 19" rack or cabinet
4 3-prong outlet Links to power cord
5 ON/OFF switch Turns power ON or OFF

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CHAPTER 2: OVERVIEW
2.5 APPLICATION DIAGRAM
INTERNET
MEDIA CONVERTER
MEDIA
CONVERTER
FIBER
MULTI-WA
BROADBAND ROUTER
SWITCH
COMPUTER
FIGURE 2-15 APPLICATION DIAGRAM

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CHAPTER 3: INSTALLING THE CONVERTER
3.1 INITIAL STEPS FOR STANDALONE OR RACKMOUNT INSTALLATION
3.1.1 INSTALL THE SFP MODULE IN THE SFP CAGE (LHC210A AND LGC210A-R2 ONLY)
Gently insert a compatible SFP module in the SFP cage on the LHC210A or LGC210A-R2 media converter.
See the table below for a list of compatible SFP modules.
TABLE 3-1. COMPATIBLE SFP MODULES (INSTALL IN LHC210A OR LGC210A ONLY)
PRODUCT CODE DESCRIPTION COMPATIBLE MEDIA
CONVERTER
LFP401 SFP - 155-Mbps, Extended Diagnostics, 850-nm Multimode Fiber, 2-km, LC LHC210A
LFP402 SFP - 155-Mbps, Extended Diagnostics, 1310-nm Multimode Fiber, 2-km, LC LHC210A
LFP403 SFP - 155-Mbps, Extended Diagnostics, 1310-nm Single-Mode Fiber, 30-km, LC LHC210A
LFP404 SFP - 155-Mbps, Extended Diagnostics, 1310-nm Single-Mode Fiber, 60-km, LC LHC210A
LFP411
SFP - 1250-Mbps, Extended Diagnostics, 850-nm Multimode Fiber, 550-m, LC
LGC210A-R2
LFP412
SFP - 1250-Mbps, Extended Diagnostics, 1310-nm Multimode Fiber, 2-km, LC
LGC210A-R2
LFP413
SFP - 1250-Mbps, Extended Diagnostics, 1310-nm Single-Mode Fiber, 10-km, LC
LGC210A-R2
LFP414
SFP - 1250-Mbps, Extended Diagnostics, 1310-nm Single-Mode Fiber, 30-km, LC
LGC210A-R2
LFP416
SFP - 1250-Mbps, Extended Diagnostics, 10/100/1000BASE-T, SGMII Interface, RJ-45
LGC210A-R2
LFP418
SFP - 1250-Mbps, Extended Diagnostics, 1550-nm Single-Mode Fiber, 80-km, LC
LGC210A-R2
LFP420, LFP421
SFP - 1250-Mbps, Extended Diagnostics, 1550-nm TX, 1310-nm RX, Simplex, Single-Mode Fiber, 10-km, LC;
SFP - 1250-Mbps, Extended Diagnostics, 1310-nm TX, 1550-nm RX, Simplex Single-Mode Fiber, 10-km, LC
LGC210A-R2
LFP441
SFP - 1250-Mbps, Extended Diagnostics, 850-nm Multimode Fiber, 550-m, LC
LGC210A-R2
LFP442
SFP - 1250-Mbps, Extended Diagnostics, 1310-nm Single-Mode Fiber, 20-km, LC
LGC210A-R2
LFP443
SFP - 1250-Mbps, Extended Diagnostics, 10/100/1000BASE-T, SGMII Interface, RJ-45
LGC210A-R2
NOTE: LFP420, LFP421 are single-strand fiber SFPs, so they must be used in pairs.
NOTE: Use the LFP416 for a copper interface.
3.1.2 SET THE DIP SWITCHES (LHC210A, LHC211A AND LHC212A ONLY)
The LHC210A, LHC211A and LHC212A have an 8-position DIP switch, shown in Figure 3-1. The DIP switch functions are described
in Table 3-2.
FIGURE 3-1. DIP SWITCH ON THE LHC210A, LHC211A AND LHC212A

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CHAPTER 3: INSTALLING THE CONVERTER
TA TABLE 3-2. LHC210A, LHC211A AND LHC212A DIP SWITCH SETTINGS BLE
DIP SWITCH POSITIONS DESCRIPTION
1 2345678
ON ——————— LFP enabled
OFF ——————— LFP disabled
— OFF OFF ————— Store and Forward
OFF ON OFF ON ON OFF OFF OFF Jumbo enabled
— OFF ON ————— Modified cut-through switch mode enabled
— ON OFF ————— Converter mode enabled
— ON ON ————— Auto–change–forward enabled
— —————— OFF Force fiber port to full-duplex mode
— — — — OFF ——— IEEE 802.3x enabled
— — — — ON ——— IEEE 802.3x disabled
— — — OFF — OFF OFF —
Force TX port to 10M/100M full duplex/half-duplex with auto-
negotiation
— — — OFF — OFF ON — Force TX port to 10M/100M half-duplex with auto-negotiation
— — — OFF — ON OFF — Force TX port to 10M full duplex/half-duplex with auto-negotiation
— — — OFF — ON OFF — Force TX port to 10M half-duplex with auto-negotiation
— — — ON — OFF OFF — Force TX port to 100M full duplex with auto-negotiation
— — — ON — OFF ON — Force TX port to 100M half-duplex with auto-negotiation
— — — ON — ON OFF — Force TX port to 10M full duplex with auto-negotiation
— — — ON — ON ON — Force TX port to 10M half-duplex with auto-negotiation

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CHAPTER 3: INSTALLING THE CONVERTER
3.2 INSTALLING THE CONVERTER AS A STANDALONE UNIT
3.2.1 CONNECT THE MEDIA CABLES (LHC210A, LHC211A, LHC212A, LGC210A-R2, LGC211A, LGC212A)
1. Verify that the AC-DC adapter conforms to your country’s AC power requirement and insert the power plug.
2. Connect the media cable for network connection.
2a. For the fiber port, the TX/RX fiber cable must be paired at both ends. The default setting for the converter is full-duplex mode.
2b. For the twisted-pair port, attach the CAT5 twisted-pair cable to the RJ-45 port on the converter.
3.3 INSTALLING THE CONVERTERS IN THE 14-SLOT CHASSIS
The 14-slot media converter chassis supports plug-and-play installation of up to 14 table-top media converters. The chassis can
supply several media converters with power.
You can hot-swap the media converters in and out of the chassis. The chassis works with a single power supply or dual power
supplies, depending on your power requirements.
3.3.1 INSTALL THE CHASSIS IN A 19" CABINET OR RACK
Install the media converter chassis in a standard 19" rack or cabinet and secure it with screws (not included).
3.3.2 PLUG THE MEDIA CONVERTERS INTO THE CHASSIS SLOTS
1. Unscrew the two screws next to the RJ-45 port of the first media converter. Use these two screws to affix the media converter to
the chassis.
2. Insert the media converter in to the chassis, making sure the power plug of the chassis is inserted in the power port of the media
converter. WHen the converter is fully and firmly fitted to the chassis, fasten the screws on the chassis.
3. Repeat steps 1 and 2 for the remaining media converters you want to install.
3.3.3 CONNECT THE NETWORK CABLES
1. Insert the RJ-45 twisted-pair cable into the RJ-45 port on the converter, and insert the fiber cable into the fiber port on the
converter.
2. Connect the supplied AC power cable to the receptacle at the back of the chassis, attach the plug to a standard 100 to 260 VAC
outlet.
3. Turn the power switch ON and the Power LEDs on the front of the chassis will light green.
4. Turn on both power supplies. This extends the life cycle of the power supply and provides redundant power if one power supply
fails.

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CHAPTER 3: INSTALLING THE CONVERTER
3.4 INSTALLATION DIAGRAM
FP
RX
PWR
LINK/ ACT
FDX/ COL
1000M
TX
SWITCH SWITCH
STP
STP
TP
MC
RX
TX
FP
PWR
LINK/ ACT
FDX/ COL
1000M
TP
FIGURE 3-2. TYPICAL INSTALLATION

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CHAPTER 4: MAINTENANCE AND TROUBLESHOOTING
4.1 MAINTENANCE
4.1.1 FINDING OUT THE PROBLEMS
When the electrical current becomes dangerous, the Power LEDs on the chassis will light red. When the problems have been
cleared, the LEDs return to normal.
If the fuse has blown or the power supply has broken down, the POWER LEDs will be off and the fans will not work. (The fuse is
under the plug; you can pull it out to check or change it.)
When the fans of chassis have broken down,the POWER LEDs will light green, but the fans will not work. If this happens, replace the
power supply.
If the power supply of chassis is operating normally, but the LEDs on the media converters are off, there may be problems with the
connection between the plug board of chassis and the power supply. Stop the electrical current, pull out the power adapter and
check it, then reinsert the power adapter.
4.1.2 REPLACING THE POWER SUPPLY
When one of the dual power supplies has broken down, the chassis can work normally. The power supplies are hot-swappable, so
you don't need to power down the chassis if the redundant power supply is still working. Remove the broken power supply, pull out
the plug and replace it with a new power supply and connect the plug.
When a single power supply broken down, follow the above steps. The converters installed in the chassis will stop working until a
new power supply is installed and working normally.
4.2 TROUBLESHOOTING
TABLE 4-1. PROBLEMS/CAUSES/SOLUTIONS
PROBLEM CAUSE POSSIBLE SOLUTION
Poewr LEDs are OFF Power plug not connected or not a valid connection Connect the power plug and make sure it is a valid
connection
Link/Act LED is OFF
1. Electrical cables not connected to the electrical
port or not a valid connection
2. Wrong cables used for electrical connection
3. NIC or terminal fault
1. Connect the electrical cables to the electrical port
and make sure it's a valid connection
2. Use the correct type of cables
3. Make sure the NIC and Ethernet terminal can work
normally
FX and FX Link/Act LEDs are OFF
1. There may be a fault with the terminal optical
devices
2. The optical fiber has broken down or the optical
fiber connection is not valid
3. The optical fiber is overloss
Check the terminal optical devices and the main
fiber to see if they can work normally. If not, repair
or replace them
TX and FX LEDs are normal, but
data cannot be transmitted
1. The connection between the optical ber and
devices is not valid
2. The system does not receive enough power
1. Check the fiber connectors and make sure the
connection between optical fiber and devices is valid
2. Turn off the power supply, wait a minute, then
power on the unit and try again

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APPENDIX A: REGULATORY INFORMATION
A.1 FCC STATEMENT
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.

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APPENDIX A: REGULATORY INFORMATION
A.2 NOM 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 eléctri-
co sobre una cama, sofá, alfombra o superficie similar puede bloquea la ventilación, no se debe colocar en libreros o gabi-
netes 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 coloca-
dos 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 venti-
lación.
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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APPENDIX B: DISCLAIMER/TRADEMARKS
B.1 DISCLAIMER
Black Box Corporation shall not be liable for damages of any kind, including, but not limited to, punitive, consequential or cost of cover
damages, resulting from any errors in the product information or specifications set forth in this document and Black Box Corporation
may revise this document at any time without notice.
B.2 TRADEMARKS USED IN THIS MANUAL
Black Box and the Black Box logo type and mark are registered trademarks of BB Technologies, Inc.
Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.