Black Box Computer Hardware LHC038A User Manual

April 2006  
LHC001A-R4 - LHC002A-R4  
LHC005A-R4 - LHC006A-R4  
LHC007A-MT-R3 - LHC008A-R3  
LHC009A-R3 - LHC5129A-R3  
LHC5130A-R3 - LHC5132A-R3  
LHC5133A-R3 - LHC5134A  
LHC5135A - LHC037A  
LHC038A - LHC039A  
100 Mbps  
Compact Media Converter  
© Copyright 2006. Black Box Corporation. All rights reserved  
Order toll-free in the U.S.: 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  
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018  
CUSTOMER  
SUPPORT  
INFORMATION  
1000 Park Drive  
*
Lawrence, PA. 35055-1018  
*
724-746-5500  
*
Fax 724-746-0746  
April 2006  
Document Number 55-80128BB-00 A4  
Table of Contents  
About the 100 Mbps Compact Media Converter . . . . . . . . .1  
LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2  
Installing the 100 Mbps Compact Media Converter . . . . . .3  
Configuring the 100 Mbps Compact Media Converter . . . .4  
About FiberAlert and LinkLoss . . . . . . . . . . . . . . . . . . . . . .5  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7  
Black Box Customer Service . . . . . . . . . . . . . . . . . . . . . . . .8  
Fiber Optic Cleaning Guidelines . . . . . . . . . . . . . . . . . . . . .8  
Electrostatic Discharge Precautions . . . . . . . . . . . . . . . . . . .9  
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Federal Communications Commission  
Radio Frequency Interference Statement . . . . . . . . . . . . . . .10  
European Directive 2002/96/EC (WEEE) requires that any  
equipment that bears this symbol on product or packaging  
must not be disposed of with unsorted municipal waste. This  
symbol indicates that the equipment should be disposed of  
separately from regular household waste. It is the consumer's  
responsibility to dispose of this and all equipment so marked  
through designated collection facilities appointed by govern-  
ment or local authorities. Following these steps through prop-  
er disposal and recycling will help prevent potential negative  
consequences to the environment and human health. For  
more detailed information about proper disposal, please con-  
tact local authorities, waste disposal services, or the point of  
purchase for this equipment.  
11  
Federal Communication Commission Radio  
Frequency Interference Statement  
About the 100 Mbps Compact Media Converter  
The Compact Media Converter converts between 100 Mbps twisted pair and  
100 Mbps multi-mode or single-mode fiber. It is available with one RJ-45 con-  
nector for the twisted pair port and several types of fiber connectors, including ST,  
SC and MT, for the fiber port. Single-strand fiber versions are also available. This  
1U high, standalone unit includes diagnostic LEDs for each port and a universal  
(100/240 VAC) power supply.  
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 when  
the equipment is operated in a commercial environment. This equipment gener-  
ates, uses and can radiate radio frequency energy and, if not installed and used in  
accordance with the instruction manual, may cause harmful interference to radio  
communications. Operation of this equipment in a residential area is likely to  
cause harmful interference in which the user will be required to correct the inter-  
ference at his own expense.  
LHC001A-R4  
LHC002A-R4  
LHC005A-R4  
LHC006A-R4  
TX/FX-MM1300-ST, 2km  
TX/FX-MM1300-SC, 2km  
TX/FX-SM1310/PLUS-ST, 40km  
TX/FX-SM1310/PLUS-SC, 40km  
Any changes or modifications not expressly approved by the manufacturer  
could void the user's authority to operate the equipment.  
LHC007A-MT-R3 TX/FX-MM1300-MT, 2km  
The use of non-shielded I/O cables may not guarantee compliance with FCC  
RFI limits. 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 the Canadian Department of Communications.  
Le présent appareil numérique n’émet pas de bruits radioélectriques dépas-  
sant les limites applicables aux appareils numériques de classe B prescrites dans  
le Règlement sur le brouillage radioélectrique publié par le ministère des  
Communications du Canada.  
LHC008A-R3  
LHC009A-R3  
LHC037A  
TX/SX-MM850-ST, 300m  
TX/SX-MM850-SC, 300m  
TX/FX-SM1310/LONG-ST, 80km  
TX/FX-SM1310/LONG-SC, 80km  
TX/FX-SM1550/LONG-SC, 100km  
LHC038A  
LHC039A  
Single Strand Products:  
LHC5129A-R3  
LHC5130A-R3  
LHC5132A-R3  
LHC5133A-R3  
LHC5134A  
TX/SSFX-SM1310-SC, (1310xmt/1550rcv), 20km  
TX/SSFX-SM1550-SC (1550xmt/1310rcv), 20km  
TX/SSFX-SM1310/PLUS-SC (1310xmt/1550rcv), 40km  
TX/SSFX-SM1550/PLUS-SC (1550xmt/1310rcv), 40km  
TX/SSFX-SM1310/LONG-SC (1310xmt/1550rcv), 60km  
TX/SSFX-SM1550/LONG-SC (1550xmt/1310rcv), 60km  
LHC5135A  
1
10  
Electrostatic Discharge Precautions  
LED Indicators  
Electrostatic discharge (ESD) can damage to add-in modules. Always observe  
the following precautions when installing or handling an add-in module or any  
board assembly.  
The Compact Media Converter features four diagnostic LEDs. The diagram  
below shows the location of the LEDs.  
1) Do not remove unit from its protective packaging until ready to install it.  
2) Wear an ESD wrist grounding strap before handling any module or com-  
ponent. If without a wrist strap, maintain grounded contact with the sys-  
tem unit throughout any procedure requiring ESD protection.  
3) Hold boards by the edges only; do not touch the electronic components or  
gold connectors.  
4) After removal, always place the boards on a grounded, static free surface,  
ESD pad or in a proper ESD bag. Do not slide the board over any sur-  
face.  
Warranty  
The LED functions are:  
FX RCV  
TX LNK  
FA  
Glows yellow when the Converter is receiving data.  
Glows green when a twisted pair link is established.  
Contact Black Box for Warranty information.  
Glows green when FiberAlert is enabled and blinks when  
a FiberAlert situation occurs (i.e. the loss of one strand of  
fiber).  
NOTE  
FiberAlert does not apply and does not function on single-strand fiber ver-  
sions of the 100Mbps Compact Media Converter.  
FX LNK  
Glows green when a fiber link is established.  
9
2
Installing the 100 Mbps Compact Media Converter  
Black Box Customer Service  
While the 100 Mbps Compact Media Converter comes ready to install, all con-  
figuration changes should be made after installation. To install the Compact Media  
Converter, make sure the unit is placed on a suitably flat surface. Then, attach the  
cables between the Compact Media Converter and each device that will be inter-  
connected. Finally, plug the unit into a reliable, filtered power source.  
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  
Mail order: Black Box Corporation  
1000 Park Drive, Lawrence, PA 15055-1018  
NOTE  
Since single-strand fiber products use optics that transmit and receive on  
two different wavelengths, deploy single-strand fiber products in pairs,  
or connect two compatible Black Box single-strand fiber products.  
Fiber Optic Cleaning Guidelines  
INSTALLATION TROUBLESHOOTING  
Fiber optic equipment is extremely susceptible to contamination by particles of  
dirt or dust which can obstruct the optics and cause performance degradation.  
Good system performance requires clean optics and connector ferrules.  
1) Only use fiber patch cords (or connectors) from a reputable supplier; low-  
quality components can cause many hard-to-diagnose problems.  
2) Black Box installs dust caps to ensure factory-clean optical devices. These  
protective caps should not be removed until the moment of connecting the  
fiber cable to the device. Assure that the fiber is properly terminated, pol-  
ished and free of any dust or dirt and that the location is as free from dust and  
dirt as possible.  
To test the 100 Mbps Compact Media Converter during installation, first test the  
fiber and twisted pair connections with all troubleshooting features disabled, then  
enable these features, if desired, just before final installation. This will reduce the  
features’ interference with testing.  
When working with units whose features cannot be disabled, both twisted pair and  
fiber cables must be connected before the link LEDs will light.  
To test a media converter by itself, first verify that an appropriate fiber patch cable  
is being used. Then, follow these steps:  
3) Store spare caps in a dust-free environment such as a sealed plastic bag or  
box so reinstalled caps do not introduce any contamination to the optics.  
Step 1: Connect the media converter to the twisted pair device  
with a twisted pair cable.  
WARNING  
Step 2: Loop a single strand of fiber from the transmit port to  
Integrated circuits and fiber optic components are extremely susceptible to  
electrostatic discharge damage. Only qualified service technicians using tools  
and techniques comforming to accepted industry practices should handle these  
components.  
the receive port of your media converter.  
Step 3: Verify that both twisted pair and fiber link LEDs light  
on the Compact Media Converter.  
Use the appropriate twisted pair cable, and have the crossover/pass-through switch  
set correctly.  
4) Reinstall the protective caps when disconnecting the fiber device.  
5) To clean contaminated optics, alternate between blasting with clean, dry,  
compressed air and flushing with methanol to remove particles of dirt.  
If using a high powered device designed for long distance installations in a short  
distance installation, an optical attenuator may be needed to prevent data loss on a  
connection.  
Contact Black Box for more information.  
3
8
What Is Pulsing FiberAlert?  
Configuring the 100 Mbps Compact Media Converter  
Pulsing FiberAlert provides the same function as FiberAlert but, rather than  
ceasing transmission when the receiving unit goes down, Pulsing FiberAlert sends  
pulses through the line so that once the receiving unit starts to function, transmis-  
sion commences. Use Pulsing FiberAlert in the following two situations:  
A) When connecting two Compact Media Converter units (or connecting a  
PSE-Compact Media Converter to a 100 Mbps Module TX/FX) with  
FiberAlert enabled.  
The 100 Mbps Compact Media Converter  
features an 8-position DIP switch for configur-  
ing the unit after installation. This switch is  
accessed through a cut-out in the bottom. After  
configuring the DIP switch, power cycle the  
Compact Media Converter for the changes to  
take effect. Default settings for the following  
features are shown in the diagram.  
B) When connecting one Compact Media Converter with FiberAlert enabled  
and one 10/100 Autosensing unit with Link Fault Detection (LFD) enabled.  
• AN ENABLED (Auto-Negotiation)  
• MDI/MDI-X (Manual port setting)  
• AUTO MDI/MDI-X (AutoCross)  
• TX LL (TX LinkLoss)  
• FX LL (FX LinkLoss)  
• FA ENABLED (FiberAlert)  
Converter 1  
FiberAlert Enabled  
FiberAlert Enabled  
Converter 2  
FiberAlert and Pulsing FiberAlert Enabled  
FiberAlert Disabled  
• FA PULSE (Pulsing FiberAlert)  
INSTALLATION TIP  
Some switches are reserved for future development.  
Enable FiberAlert and/or Pulsing FiberAlert on only ONE side of a media con-  
version; enabling it on both sides will keep both transmitters off indefinitely.  
Twisted Pair Crossover/Pass-Through Connections  
Whether using crossover or straight-through CAT5 twisted pair cabling, the 100  
Mbps Compact Media Converter will support both types of connections by one of  
the following methods:  
Specifications  
Environmental  
Operating Temperature: 32° - 122° F (0° - 50° C)  
AutoCross (Switch 4): The Compact Media Converter includes AutoCross, a  
feature which automatically selects between a crossover workstation or pass-  
through/ repeater hub connection depending on the connected device. To enable  
AutoCross, move the Auto MDI/MDI-X switch to the ON position.  
Storage Temperature: 0° - 160° F (-20° - 70° C)  
Humidity: 5 - 95% (non-condensing)  
MDI/MDI-X (Switch 3): To manually configure the Compact Media Converter  
for a pass-through (MDI) or a crossover (MDI-X) connection, set Switch 4 to OFF  
and set Switch 3 to the desired connection type: MDI=OFF and MDI-X=ON. If  
unsure about the type of connection, set the DIP switch to a position that makes the  
twisted pair LNK (link) LED glow.  
Power  
AC Input Load: 100-240VAC ±10%, 50/60 Hz, 1.5A  
Heat generated: 51 BTU/hr.  
Dimensions  
1.64”H x 4.75”W x 4.95”D (4.17 cm x 12.07 cm x 12.57 cm)  
Auto-Negotiation  
Auto-Negotiation, enabled by default, allows the Compact Media Converter to  
communicate at the speed and duplex settings of the device to which it is connect-  
ed. Therefore, if the device connected to the Compact Media Converter sends and  
receives at 100Mbps, Full-Duplex, so will the Compact Media Converter. This will  
function within the operating parameters of the Compact Media Converter  
(10/100Mbps, Half or Full Duplex).  
To make the Compact Media Converter only communicate at one speed or one  
duplex setting, Auto-Negotiation will need to be turned off.  
7
4
What is FiberAlert?  
About FiberAlert and LinkLoss  
FiberAlert is a troubleshooting feature that minimizes the problems associ-  
ated with the loss of one strand of fiber. If a strand is unavailable, the Compact  
Media Converter notes the lost link and will stop transmitting data and the link  
signal until a signal or link pulse is received. The result is that the link LED  
on BOTH sides of the fiber connection will go out indicating a fault somewhere  
in the fiber loop. Using  
FiberAlert, a local site  
administrator is notified  
of a fault and can quick-  
ly determine the location  
The Compact Media Converter comes with the following troubleshooting fea-  
tures:  
FX LinkLoss (LinkLoss over a Fiber cable)  
TX LinkLoss (LinkLoss over a Twisted Pair cable)  
FiberAlert (including Pulsing FiberAlert)  
LinkLoss and FiberAlert are advanced troubleshooting features that can help  
locate "silent failures" on a network. Users should understand how FiberAlert and  
LinkLoss work, and how they will act in a network environment, before attempt-  
ing to install the Compact Media Converter.  
of a cable fault.  
NOTE  
Without understanding LinkLoss and FiberAlert, the 100 Mbps Compact Media  
Converter could appear flawed or even malfunctioning.  
Using FiberAlert and LinkLoss  
About Link Integrity  
The following table provides an overview of the troubleshooting features,  
their functionality and the recommended settings for a pair of media convert-  
ers in a typical central/main site to remote site application:  
During normal operation, link integrity pulses are transmitted by all point-to-  
point Ethernet devices. When a Compact Media Converter receives valid link puls-  
es, it knows that the device to which it is connected is functioning, and that the cop-  
per or fiber cable coming from that device is intact. The appropriate “LINK” LED  
is lit to indicate this. The Compact Media Converter also sends out link pulses  
from its copper and fiber transmitters, but normally has no way of knowing  
whether the cable to the other device is intact and the link pulses are reaching the  
other end. FiberAlert and LinkLoss allow this information to be obtained from the  
fiber, even when physical access to a remote device (and its link integrity LED) is  
not available.  
LinkLoss/FiberAlert Comparison Table  
Feature  
Fault Location Disabled LEDs Enable At  
FX LinkLoss  
TX LinkLoss  
FiberAlert  
Fiber  
Twisted Pair  
Fiber  
Main Site Only  
Twisted Pair  
Fiber  
Remote Site Only  
Remote Site Only  
Fiber  
What Is FX LinkLoss?  
NOTE  
FX LinkLoss is a troubleshooting feature that allows users to detect failures over  
the fiber connection. When a fault occurs on the fiber segment of a conversion, FX  
LinkLoss detects the fault and passes this information to the twisted pair segment.  
If a Compact Media Converter is not receiving a fiber link, FX LinkLoss disables  
the transmitter on the Compact Media Converter 's twisted pair port. This results  
in a loss of link on the device connected to the twisted pair port.  
FiberAlert is not available/applicable on single-strand fiber versions of  
Compact Media Converter.  
What Is TX LinkLoss?  
TX LinkLoss is a troubleshooting feature that allows users to detect failures  
over the twisted-pair connection. When a fault occurs on the twisted pair segment  
of a conversion, TX LinkLoss detects the fault and passes this information to the  
fiber segment. If a Compact Media Converter is not receiving a twisted pair link,  
TX LinkLoss disables the transmitter on the media converter's fiber port. This  
results in a loss of link on the device connected to the fiber port.  
5
6

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