IMC Networks McPC 100 Mbps User Manual

McPC 100Mbps  
(PCI Version)  
Operation Manual  
Table of Contents  
FCC Radio Frequency Interference Statement ....................................................ii  
Warranty............................................................................................................ii  
About the McPC 100Mbps.................................................................................1  
LED Indicators....................................................................................................3  
LinkLoss and FiberAlert ......................................................................................3  
Installation Troubleshooting ...............................................................................6  
Specifications.....................................................................................................6  
IMC Networks Technical Support.......................................................................6  
Fiber Optic Cleaning Guidelines.........................................................................7  
Electrostatic Discharge Precautions.....................................................................7  
Safety Certifications............................................................................................8  
iii  
About the McPC 100Mbps  
The McPC 100Mbps is an IEEE 802.3 single-conversion PC media converter card  
designed to convert twisted pair (100Base-TX) connections to a variety of other fiber  
connections: 100 Base-SX 850 or 1300nm multi-mode or 100Base-FX 1310nm or  
1550nm single-mode. Single strand versions are also available.  
The McPC 100Mbps can be installed in any PC with a standard PCI slot. It includes  
diagnostic LEDs for each port, and a 4-pin peripheral power supply connector. The  
McPC 100Mbps comes with one RJ-45 connector and one pair of ST or SC  
connectors for the fiber.  
Installing the McPC 100Mbps  
Offering plug-and-play operation, the McPC 100Mbps comes ready to install, utilizing  
power from the PC’s power supply. To install the McPC 100Mbps:  
1. Turn off the PC  
2. Remove its cover  
3. Find an empty PCI slot  
4. Align the McPC 100Mbps in the slot  
5. Screw the the McPC 100Mbps into the computer casing’s bracket  
6. Make sure the McPC 100Mbps does not extend past the edge of the case  
7. Attach the keyed mini-power connector to the McPC 100Mbps  
8. Attach the male end of the  
power connectors  
Y
connector to one of the computer’s standard size  
9. Replace the cover  
10. Attach the cables between the McPC 100Mbps and the devices that will be  
interconnected  
NOTE  
The McPC 100Mbps DOES NOT plug into the motherboard. McPC 100Mbps  
draws power from the computer; no additional power source is necessary.  
Configuring the McPC 100Mbps  
Before installing, configure McPC 100Mbps for desired features which include:  
TX LinkLoss  
FX LinkLoss  
FiberAlert  
Auto Negotiation  
1
NOTE  
The default for all features except Auto Negotiation is "Disabled."  
Jumper Settings  
Jumper  
Position  
OFF  
(pins)  
Factory  
Default  
Feature  
ON (pins)  
JP2  
TXLL  
1-2  
2-3  
OFF  
JP3  
FXLL  
1-2  
2-3  
OFF  
AutoCross  
The McPC 100Mbps includes AutoCross, a feature which automatically selects  
between a crossover workstation or a straight-through/repeater hub connection  
depending on the connected device.  
Auto Negotiation on McPC 100Mbps  
Auto Negotiation is available on the McPC 100Mbps. When Auto Negotiation is  
enabled, the 100Mbps negotiates as a 100 Mbps Full-Duplex device. When the  
device to which the McPC 100Mbps is connected can operate at 100Mbps Full-  
Duplex, a link will be established.  
When the twisted pair port on the other device does not have the ability to Auto  
Negotiate, or when a 100 Mbps Half-Duplex connection is desired, Auto Negotiation  
on 100Mbps must be disabled. Half and Full-Duplex settings must be manually set  
and match on both devices to which the McPC 100Mbps is connected. The diagram  
below shows a typical application, followed by a table with three possible  
configurations.  
End to End Connection  
Half-Duplex  
Full-Duplex  
Switch  
McPC TX/FX  
Auto Negotiation OFF  
Auto Negotiation OFF  
Auto Negotiation ON  
Manually Configure HDX  
Manually Configure FDX  
Auto Negotiation ON  
Full-Duplex  
2
Enabling Auto Negotiation  
Configure Auto Negotiation on the McPC 100Mbps by adjusting a two-position  
switch, labeled AN, on the faceplate next to the fiber connectors. Enable this feature  
by moving the switch to the up ON position. Disable (default) by moving the switch  
to the down OFF position.  
LED Indicators  
The McPC 100Mbps features four diagnostic LEDs. These LED functions include the  
following:  
FX RCV  
TX LNK  
FA  
Blinks yellow when the McPC 100Mbps is receiving data  
Glows green when a twisted pair link is established  
Glows green when FiberALert is enabled  
FX LNK  
Glows green when a fiber link is established  
LinkLoss and FiberAlert  
The McPC 100Mbps includes the troubleshooting features FiberAlert, TXLL, and FXLL  
that help locate silent failures on a network. Before attempting to install the  
module(s), understand how these features work and react to specific network  
configurations.  
WARNING  
Installing modules without understanding the effects of LinkLoss and FiberAlert can cause  
functioning units to appear flawed or even nonfunctional.  
Link Integrity  
During normal operation, link integrity pulses are transmitted by all point-to-point  
Ethernet devices. When an IMC Networks media converter receives valid link pulses,  
it knows that the device to which it is connected is up and sending pulses, and that  
the copper or fiber cable coming from that device is intact. The appropriate “LNK”  
(link) LED is lit to indicate this.  
3
The McPC 100Mbps 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. The combination of FiberAlert and  
LinkLoss allows this information to be obtained, even when physical access to a  
remote device (and its link integrity LED) is not available.  
FX LinkLoss (FXLL)  
FX LinkLoss is a troubleshooting feature. When a fault occurs on the fiber segment of  
a conversation, FX LinkLoss detects the fault and passes this information to the  
twisted pair segment. If a media converter is not receiving a fiber link, FX LinkLoss  
disables the transmitter on the media converter’s twisted pair port. This results in a  
loss of link on the device connected to the twisted pair port.  
TX LinkLoss (TXLL)  
TX LinkLoss is a troubleshooting feature. 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 media converter is not receiving a twisted pair link, TX  
LinkLoss disables the transmitter on the media converter's fiber port. The result is in a  
loss of the link on the device connected to the fiber port.  
FiberAlert (FA)  
FiberAlert minimizes the  
problems associated with the  
loss of one strand of fiber. If a  
strand is unavailable, the IMC  
Networks device at the  
receiver end notes the loss of  
link. The device will then 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 quickly determine where a cable fault is  
located.  
WARNING  
Enable FiberAlert on one side of a media conversion only. Enabling it on both sides  
would keep both transmitters off indefinitely.  
4
Enabling TX and FX LinkLoss  
In order to enable the LinkLoss features, remove the cover from the unit and place  
the jumpers accordingly. Follow the instructions below, referencing the diagram.  
1. Make sure that there is no power going to the unit by UNPLUGGING THE  
POWER CORD.  
2. Using a Philllips screwdriver, remove the screws on the corners of the cover.  
3. Remove the cover and find the three-pin jumper blocks for TX and FX LinkLoss.  
Adjust the shunts on the jumpers accordingly.  
4. Replace the cover and tighten the screw to secure the cover.  
Refer to the following diagrams and table for jumper location and settings.  
Using FiberAlert and LinkLoss  
The following table provides an overview of the troubleshooting features, their  
functionality and the recommended settings for a pair of media converters in a typical  
central/main site to remote site application:  
LinkLoss/FiberALert Compared  
Feature  
Fault Location  
Fiber  
Twisted Pair  
Fiber  
Disabled LEDs  
Twisted Pair  
Fiber  
Enable At:  
FX LinkLoss  
TX LinkLoss  
FiberAlert  
Main Site Only  
Remote Site Only  
Remote Site Only  
Fiber  
This will ensure that any faults, no matter where they occur, can be detected by a  
administrator located at the central site.  
Enabling FiberAlert  
Configure FiberAlert on McPC 100Mbps by adjusting a two-position switch, labeled  
FA, on the faceplate next to the fiber connectors. Enable this feature by moving the  
switch to the up ON position. Disable by moving the switch to the down OFF  
position (default).  
5
Installation Troubleshooting  
ƒ
During installation, first test the fiber and twisted pair connections with  
FiberAlert disabled. Then enable FiberAlert, if desired, just before final  
installation. This will reduce the feature’s interference with testing.  
ƒ
To test McPC 100Mbps by itself, use the appropriate fiber patch cable. First,  
connect McPC 100Mbps to the twisted pair device with a twisted pair cable.  
Next, look a single strand of fiber from the transmit port to the receive port of  
the media converter. Finally, verify that there are both twisted pair and fiber link  
on the media converter.  
Specifications  
Environmental  
Operating Temperature  
32° - 104° F (0° - 40° C)  
Storage Temperature  
21° - 160° F (-6° - 71° C)  
Humidity:  
5 - 95% (non-condensing)  
Electrical  
Input Load  
100/240V 10% ~ 50/60Hz, 0.1/0.05A  
Dimensions  
A single PCI slot module for use in a PC chassis.  
IMC Networks Technical Support  
Tel: (949) 465-3000 or (800) 624-1070 (in the U.S. and Canada);  
+32-16-550880 (Europe)  
Fax: (949) 465-3020  
6
Fiber Optic Cleaning Guidelines  
Fiber Optic transmitters and receivers are extremely susceptible to contamination by  
particles of dirt or dust, which can obstruct the optic path and cause performance  
degradation. Good system performance requires clean optics and connector ferrules.  
1. Use fiber patch cords (or connectors, if you terminate your own fiber) only from  
a reputable supplier; low-quality components can cause many hard-to-diagnose  
problems in an installation.  
2. Dust caps are installed at IMC Networks to ensure factory-clean optical devices.  
These protective caps should not be removed until the moment of connecting  
the fiber cable to the device. Should it be necessary to disconnect the fiber  
device, reinstall the protective dust caps.  
3. Store spare caps in a dust-free environment such as a sealed plastic bag or box  
so that when reinstalled they do not introduce any contamination to the optics.  
4. If you suspect that the optics have been contaminated, alternate between  
blasting with clean, dry, compressed air and flushing with methanol to remove  
particles of dirt.  
Electrostatic Discharge Precautions  
Electrostatic discharge (ESD) can cause damage to any product, add-in modules or  
stand alone units, containing electronic components. Always observe the following  
precautions when installing or handling these kinds of products  
1. Do not remove unit from its protective packaging until ready to install.  
2. Wear an ESD wrist grounding strap before handling any module or component.  
If the wrist strap is not available, maintain grounded contact with the system unit  
throughout any procedure requiring ESD protection.  
3. Hold the units by the edges; 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 modules or stand alone units over  
any surface.  
WARNING! Integrated circuits and fiber optic components are  
extremely susceptible to electrostatic discharge damage. Do not  
handle these components directly unless you are a qualified service  
technician and use tools and techniques that conform to accepted  
industry practices.  
7
Safety Certifications  
UL/CUL: Listed to Safety of Information Technology Equipment, including  
Electrical Business Equipment.  
CE: The products described herein comply with the Council Directive on  
Electromagnetic Compatibility (2004/108/EC) and the Council  
Directive on Electrical Equipment Designed for use within Certain  
Voltage Limits (2006/95/EC). Certified to Safety of Information  
Technology Equipment, Including Electrical Business Equipment. For  
further details, contact IMC Networks.  
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  
government or local authorities. Following these steps through proper disposal and  
recycling will help prevent potential negative consequences to the environment and  
human health. For more detailed information about proper disposal, please contact  
local authorities, waste disposal services, or the point of purchase for this equipment.  
8
19772 Pauling • Foothill Ranch, CA 92610-2611 USA  
TEL: (949) 465-3000 • FAX: (949) 465-3020  
© 2009 IMC Networks. All rights reserved.  
The information in this document is subject to change without notice. IMC Networks assumes no responsibility for any  
errors that may appear in this document. McPC 100Mbps is a trademark of IMC Networks. Other brands or product  
names may be trademarks and are the property of their respective companies.  
Document Number 55-80734-00 A1  
October 2009  

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