IMC Networks iMcV-MediaLinX, TX/FX-MM1300-ST
Contents
1. FA za Installation ae Guide McV MediaLinX TX FX About iMcV MediaLinX TX FX iMcV MediaLinX TX FX is an SNMP manageable IEEE 802 3 10 100 switching media converter from IMC Networks which converts both speed and media iMcV MediaLinxX TX FX modules provide a single conversion between e 10Base T twisted pair and 100Base FX multi mode fiber or e 10Base T twisted pair and 100Base FX single mode fiber or e 100Base TX twisted pair and 100Base FX multi mode fiber or e 100Base TX twisted pair and 100Base FX single mode fiber iMcV MediaLinX TX FX modules feature one RJ 45 connector one pair of ST or SC fiber connectors and requires one slot in an SNMP manageable iMediaCenter or iMcV series chassis from IMC Networks iMcV MediaLinxX TX FX is part of IMC Networks iMcV Series Installation instruc tions for other iMcV Modules can be found in the iMcV Module Installation Guide or in their respective installation guides Install guides as well as a variety of prod uct literature and other information can be found on the IMC Networks Web site at http www imcnetworks com tech techsup asp Configuration Instructions End users may configure iMcV MediaLinX TX FX modules for various features See the DIP Switch Location and Configuration Settings chart on page 2 for information The following sections include instructions for configuring both managed via an SNMP compatible management application like iView and un2. Alert is enabled FX LL Glows green when FX LinkLoss is enabled LNK ACT e Glows green when a link is established on port e Blinks green when data activity occurs Pte FDX COL FDX COL e Glows yellow when port is in Full Duplex mode e Blinks yellow when port is operating in Half Duplex mode and collisions occur FDX COL XMT General Information IMC Networks Technical Support Phone 949 465 3000 or 800 624 1070 in the U S and Canada 32 16 550880 Europe Fax 949 465 3020 E Mail techsupport imcnetworks com Web www imcnetworks com Specifications Environmental Operating Temperature 32 104 F 0 40 C Storage Temperature 0 160 F 20 70 C Humidity 5 95 non condensing Power Consumption Typical Input Load 500mA Fiber Optic Specifications For fiber optic specifications visit our Web site at http www imcnetworks com adocs fcs asp Warranty Information Please contact IMC Networks for complete warranty information 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 rep utable supplier low quality
3. components can cause many hard to diagnose problems in an installation 2 Dust caps are 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 Assure that the fiber is properly terminated polished and free of any dust or dirt and that the location is as free from dust and dirt as possible 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 Should it be necessary to disconnect the fiber device reinstall protective dustcaps 5 If you suspect that the optics have been contaminated alternate between blasting with clean dry compressed air and flushing with methanol to remove dirt particles Electrostatic Discharge Precautions Electrostatic discharge ESD can cause damage to your add in modules Always observe the following precautions when installing or handling an add in module or any board assembly 1 Do not remove unit from its protective packaging until you re ready to install it 2 Wear an ESD wrist grounding strap before handling any module or component If you do not have a wrist strap maintain grounded contact with the system unit throughout any procedure requiring ESD protection 3 Hold boards by the edges only do not touch the electronic components or gold connectors static discharge damage Do
4. e Configure the twisted pair port for 10 Mbps operation by setting Dip Switch 3 to the OFF position e Configure the twisted pair port for 100 Mbps operation by setting Dip Switch 3 to the ON position Installing iMcV MediaLinX TX FX Modules iMcV MediaLinX TX FX modules may be installed in any IMC Networks iMcV series or iMediaCenter series chassis Each module requires one slot in the chassis To install a module remove the blank brackets covering the slots where the mod ule is to be installed if present by removing the screws on the outside edges of the bracket Slide the module into the chassis via the card guides until the module is seated securely in the connector Secure the module to the chassis by tightening the captive screw Save any blanks removed during installation for future use should your configuration requirements change Installation Troubleshooting e During installation first test your 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 e When working with units where the features cannot be disabled you must establish BOTH your twisted pair and fiber connections before the link LEDs will light e To test a media converter by itself first make sure you have an appropriate fiber patch cable then follow these steps to test 4 Step 1 Connect the m
5. edia converter to the twisted pair device with a twisted pair cable Step 2 Loop a single strand of fiber from the transmit port to the receive port of your media converter Step 3 Verify that you have both twisted pair and fiber link see LED operation on following page on your media converter e Make sure that you are using the appropriate twisted pair cable e The fiber transmitters used on IMC Networks media conversion modules can overdrive the receivers and cause data loss if used in installations where cable power losses are low To verify this measure the optical power at the receiver The measured power should be no greater than specified and no less than the Average Receive Sensitivity For complete fiber specifications please visit our Web site at http www imcnetworks com adocs fcs asp If measured power is greater than specified install an optical attenuator to bring power within specification Contact IMC Networks for more information LED Operation Go 100 mpos Wisted Pair LEDs ps earns TX LL Glows green when TX LinkLoss is enabled Switching Media Converter 100 Glows yellow when 100 Mbps is selected on port CO_On00 LNK ACT e Glows green when a link is established on port e Blinks green when data activity occurs FDX COL e Glows yellow when port is in Full Duplex mode e Blinks yellow when port is operating in Half Duplex mode and collisions occur Fiber Optic LEDs FA Glows green when Fiber
6. ion when Auto Negotiation is disabled Flow Control is used to throttle the END device to avoid dropping packets during network conges tion Full Duplex Flow Control will Advertise ONLY in Full Duplex Mode Full Duplex Flow Control functions ONLY if link partner end devices also has Flow Control Half Duplex Flow Control DOES NOT Advertise About LinkLoss and FiberAlert iMcV MediaLinX TX FX modules include the following troubleshooting features e FX LinkLoss a k a Fiber LinkLoss or just LinkLoss e TX LinkLoss a k a Twisted Pair LinkLoss or Reverse LinkLoss e FiberAlert FiberAlert and LinkLoss are advanced troubleshooting features that can help locate silent failures on your network However it is vital that you understand exactly how FiberAlert and LinkLoss work and how they will react in your network configuration before attempting to install the enclosed module s Installing modules without understanding the effects of LinkLoss can cause perfectly functioning units to appear flawed or even dead About 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 cop per or fiber cable coming from that device is intact The appropriate LNK link LED is lit to indicate this The IMC Networks
7. managed modules Managed Modules To manage one or more iMcV Series modules an SNMP agent must be also pres ent in the chassis iMediaCenter series chassis include embedded management iMcV series chassis require an iMcV Master Module When configuring managed modules install the module first see page 4 then configure it using the manage ment software Within iView for Media Converters features and troubleshooting functions are configured in the Module Detail section under the picture of the mod ule See the iView2 online help file for more information Management software will override any hardware settings e g jumper switch etc so you MUST configure a module that will be managed via the software Until a module installed in a managed chassis is configured via the software the module and its LEDs may not work properly Unmanaged Modules Before installing iMcV MediaLinx TX FX modules may be configured for LinkLoss FiberAlert Auto Negotiation duplex mode and speed The illustrations on page 2 include the available Dip Switch locations and configuration settings for the iMcV MediaLinx TX FX modules INSTALLATION TIP When testing IMC Networks recommends you test your module first in an unmanaged environ ment To do this turn the SNMP management switch to OFF on an iMediaCenter or remove the management module from an iMcV Series chassis Follow the unmanaged configuration instructions above then install the m
8. 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 Both TX and FX LinkLoss allow this information to be obtained even when physical access to a remote device and its link integrity LED is not available What Is FX LinkLoss FX LinkLoss is a troubleshooting feature 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 media converter is not receiving a fiber link FX LinkLoss disables the trans mitter on the media converter s twisted pair port This results in a loss of link on the device connected to the twisted pair port What Is TX LinkLoss TX LinkLoss is another troubleshooting feature When a fault occurs on the twist ed pair segment of a conversion TX LinkLoss detects the fault and passes this infor mation 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 This results in a loss of link on the device connected to the fiber port What Is FiberAlert ne FiberAlert minimizes the problems associated with xur Ting eb Break the loss of one strand of fiber If a strand is unavail wir Se yA th ay _ able the IMC Networks device at the receiver end a TE i O ro
9. nd Canada 32 16 550880 Europe or via e mail at techsupport imcnetworks com AutoCross Feature for Twisted Pair Connections The twisted pair port of the iMcV MediaLinX TX FX module includes AutoCross a feature which automatically selects between a crossover workstation or pass through repeater hub connection depending on the connected device Auto Negotiation Duplex Mode and Speed The twisted pair port on iMcV MediaLinxX TX FX auto negotiates for speed and duplex mode These modules also provide the option of manually setting the speed and duplex mode if the connected devices do not have the ability to auto negotiate or when Auto Negotiation is not preferred The fiber port does not auto negotiate it is always 100 Mbps with Half or Full Duplex operation selectable through the switch settings or iView2 Auto Negotiation iMcV MediaLinx TX FX ships from the factory with Auto Negotiation enabled on the twisted pair port In this mode the twisted pair port negotiates for speed and duplex i e the module autosenses 10 Mbps Full Duplex 10 Mbps Half Duplex 100 Mbps Full Duplex or 100 Mbps Half Duplex with Flow Control Configure Auto Negotiation on an iMcV MediaLinX TX FX by adjusting the DIP switch for unmanaged modules or via the management software Please see page 2 3 Selective Advertising Selective Advertising when used in combination with Auto Negotiation advertis es only the configured speed and duplex mode for the t
10. not handle these components directly unless you are a qualified service technician and use tools and techniques that conform to accepted industry practices WARNING Integrated circuits and fiber optic components are extremely susceptible to electro 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 surface LISTED 5M80 We W CES Visit www mediaconverter com for a complete overview of media conversion products available from IMC Networks Questions or Comments about this manual Contact techdocs imcnetworks com LYN LLAN 19772 Pauling Foothill Ranch CA 92610 2611 USA TEL 949 465 3000 FAX 949 465 3020 www imcnetworks com aia i Networks REGISTERED ae 2002 2003 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 iMcV MediaLinX TX FX is a trademark of IMC Networks Other brands or product names may be trademarks and are the property of their respective companies Document Number 56 8091 1 00 A4 March 2003
11. notes the loss of link The device will then stop ges i O own transmitting data and the link signal until a signal or ED CEC sian 1ep link pulse is received The result is that the link eee ene Local Link LED is OFF indicating a break in the fiber loop LED on BOTH sides of the fiber connection will go out indicating a fault somewhere in the fiber loop Using FiberAlert a local site admin istrator is notified of a fault and can quickly determine where a cable fault is located FiberAlert should only be enabled on one side of a media conversion Enabling it on both sides would keep both transmitters off indefinitely Using LinkLoss and FiberAlert ee APSO PSY or In a typical main site to Feature Fault Location _ Disabled LEDs _ remote site media conversion _FiberAlert Fiber Fiber __ IMC Networks recommends you FX LinkLoss Twisted Pair TX LinkLoss Twisted Pair enable your media converters troubleshooting features as follows FX LinkLoss Main Site TX LinkLoss Remote Site Only FiberAlert Remote Site Only This will ensure that any faults no matter where they occur can be detected by an administrator at the main site For more information on LinkLoss and FiberAlert please visit the IMC Networks Web site at http www imcnetworks com tech ref features asp If you are unsure of how best to implement these features in your configuration please contact IMC Networks technical support at 800 624 1070 U S a
12. odule connect the cables and test the LEDs When finished reactivate management and configure the unit via the software DIP Switch Location and Configuration Settings oa 5 sij 0 0 ee L Dip Switch Settings for iMcV MediaLinX TX FX yer Y o 1 Auto Negotiation ON S Ezi oe PE TX Port HDX ON or FDX OFF wine JA A epale peee 3 TX Port 100 ON or 10 OFF OFF ac H jE sE FE e O TX LinkLoss S DORNAN EN Ge erie FX LinkLoss ae oe 6 FXPort HDX ON or FDX OFF F Z n 2 ae o 20 7 FiberAlert sis OFF ae Done FER OO 8 Selective Advertising FOE J 2_ Function Default _ a E D Full Duplex Flow Control fe EZzz Half Duplex Flow Control T RO Factory Default Do Not Change Desired Auto Selective Speed Duplex Negotiation Advertising 100 Mbps FDX PONT ON 100 Mbps HDX ON ON 10 Mbps FDX _ ON ON 10 Mbps HDX ON ON NOTE Selective Advertising is NOT an opt
13. wisted pair port If Selective Advertising and Auto Negotiation are both switched ON the twisted pair port s speed 10 or 100 Mbps and Duplex mode FDX or HDX can be separately configured per your requirements See the Auto Negotiation amp Selective Advertising Configuration Chart on page 2 for optional configurations using these features If a specific speed and or duplex mode is desired it is recommended that you use Selective Advertising rather than Force Mode when connecting to devices that ONLY auto negotiate Forcing the Duplex Mode The twisted pair and fiber ports on iMcV MediaLinX TX FX modules can each be manually configured for either Half or Full Duplex operation Before manually set ting the duplex mode Auto Negotiation must be disabled Set Dip Switch 1 on S1 to OFF e Configure the twisted pair port for Full Duplex by setting Dip Switch 2 to the OFF position Default e Configure the twisted pair port for Half Duplex by setting Dip Switch 2 to the ON position e Configure the fiber port for Full Duplex by setting Dip Switch 6 to the OFF position Default e Configure the fiber port for Half Duplex by setting Dip Switch 6 to the ON position Forcing the Speed The twisted pair port on iMcV MediaLinX TX FX can also be manually set for 10 or 100 Mbps operation the fiber port always operates at 100 Mbps Before manually setting the speed Auto Negotiation must be disabled Set Dip Switch 1 on S1 to the OFF
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