MOST50 E-O Converter
Contents
1. erter Appendix A Specifications Description i Units Conditions MOST50 E O Converter Input Voltage Input Current Vin 12 V DC Operating Temperature Fast Charge Cycle Input Current power switch off Charge Time Temperature Cut off Trickle Charge Cycle Input Current power switch off during pulse Period Pulse Width Battery Pack 7 Cells 4 3 A in Series Output Voltage Capacity 3 7 Temperature Fuse Optical Transceiver Duplex SC Receptacle Output Optical Power 62 5 125 um fiber Data Rate Wavelength Transmission Length ePHY Error Versatile Link Transmitter Pulse Length ms Output Optical Power 15 dBm Wavelength 660 nm Versatile Link Optical Receiver Avago HFBR 25X3Z or Equivalent Not Included Supply Voltage 3 3 V DC Input Optical Power 39 dBm LED Data Rate DC 1 0 kHz Wavelength 660 nm Versatile Link Plastic Optical Fiber Cable Avago Connectors HFBR 4531Z or equivalent Not Included Fiber Diameter 1 0 mm and cladding Fiber Attenuation 0 2 dB m Cable Length 50 12 V DC Power Supply Input Voltage Input Current Output Voltage Output Current Table A 1 Specifications E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 22 erter MOST50 E O Converter Appendix B Troubleshooting E O Converter does not power on Plug in t2. Insulating Support ePHY Error Monitoring Receiver DUT Power Cable RF Source Plastic Optical Fiber Test Receiver Stimulus Equipment Including E O Converter A oo pla Figure 5 2 Test Setup E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 17 MOST50 E O Converter erter 5 3 Transverse Electromagnetic Cell Figure 5 3 shows the top and side views for a sample test configuration of an ISO 11452 3 2001 E style TEM cell test The glass optical fiber isolates and protects the stimulus equipment from the electrical dis turbances produced during testing The E O Converter inside of the TEM cell is grounded to the metal floor using copper tape For automated TEM Cell testing the E O Converter s ePHY Error Versatile Link transmitter output is connected by a POF cable with Versatile Link connectors to a Versatile Link receiver outside of the TEM cell Both network coding errors and unlock events are indicated on the ePHY Error output and can be monitored and recorded at the Versatile Link receiver Figure 5 4 shows a photograph of a typical TEM cell test configuration E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 18 erter MOSTS50 E O Converter Top View Side View 9 Stimulus Equipment ePHY Cable Including E O Converter MOST50 E O Converter 10 12 V Battery Glass Optical Fiber SC Duplex 11 Feedthru Field P
3. cable Duplex optical UTP cable fiber cable 40 m Optolyzer MOST50 MOST50 0581082 G2 peel Optical Physica yos Evaluation 3050e Converter Layer Network Converter Board Master Network 1 2 Network DUT UTP cable UTP cable 1 0 m 1 0 m Figure 3 1 MOST50 Test System Example Devices used in the test system example Figure 3 1 are connected using the following steps Cable con nections between devices are shown in Figure 3 2 1 Connect the OS81082 Evaluation Board DUT to the E O Converter 2 with two UTP ePHY cables 2 Connect the duplex optical fiber cable to each of the E O Converters ensuring that the SC connectors are inserted correctly 3 Connect the OptoLyzer G2 3050e Master to the E O Converter 1 using two more UTP ePHY cables 4 Turn on all of the devices The ePHY and optical error LEDs on the E O Converters will turn off once the network is locked 5 The system is now ready for testing In this example the Optolyzer G2 3050e is able to exercise the DUT without adding any noise interfer ence The test can also include any number of MOST50 network devices within the anechoic chamber E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 8 Front Panel Can be powered by DC supply SUCCESS BY DESIGN MOST50 E O Converter SUCCESS BY DESIGN MOST50 E O Converter Anechoic Chamber MOST50 E O Converter Stimulus Equipment OptoL
4. ePHY Cable Including E O Converter 3 MOST50 E O Converter 10 12 V Battery 4 Glass Optical Fiber SC Duplex 11 Feedthru 5 Ground Plane 12 Antenna 6 Insulating Support 13 LISN 7 DUT Power Cable 14 Test Receiver 8 Copper Tape to ground plane Figure 5 1 Radiated Emissions Test Setup E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 15 MOST50 E O Converter erter 5 2 Bulk Current Injection Figure 5 2 shows a sample ISO 11452 4 2001 test configuration for BCI testing For immunity tests the E O Converter inside the anechoic chamber is isolated from the ground plane by floating it on an insulating support This ensures that RF energy is dissipated by the DUT and not the E O Converter For automated BCI testing the E O Converter s ePHY Error Versatile Link transmitter output is connected by a POF cable with Versatile Link connectors to a Versatile Link receiver outside of the chamber Both network coding errors and unlock events are indicated on the ePHY Error output and can be monitored and recorded at the Versatile Link receiver Refer to Appendix A for Versatile Link receiver and POF cable specifications E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 16 smsc MOSTS50 E O Converter E unma UC DUT 12 V Battery ePHY Cable Feedthru MOST50 E O Converter Current Injection Probe Glass Optical Fiber SC Duplex Current Monitoring Probe Ground Plane LISN
5. E O Converter 1 2 Deliverables The MOST50 E O Converter is designed for use with the components that accompany the device in the MOST50 E O Converter Kit A complete MOST50 E O Converter Kit includes the following items m MOST50 E O Converter qty 2 12 V Power Supply qty 2 Unshielded Twisted Pair UTP ePHY Cable 0 5 m qty 2 Duplex Optical Fiber Cable 3 m qty 1 Duplex Optical Fiber Cable 40 m qty 1 ePHY Connector Housing qty 2 Female Contacts qty 8 MOST50 E O Converter User s Manual qty 1 E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 5 MOST50 E O Converter erter 2 Introduction In order to validate electomagnetic compatibility EMC and operational electrostatic discharge ESD tests it is necessary to isolate the device under test DUT from other nodes within the MOST50 ePHY network see Figure 2 1 Isolation involves eliminating the influence of the other nodes as well as external environmental factors from the DUT In the case of EMC testing environmental isolation is achieved through the use of an anechoic chamber which is a shielded room that is designed to attenuate environ mental noise sources For operational ESD testing the transient voltages induced on the ePHY network need to be confined to the DUT This is accomplished by electrically isolating the DUT ePHY network from the other MOST50 devices MOST50 Network Device o EMC ESD measurements for Y te DUT m
6. ND THE LIKE AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE OF DEALING OR USAGE OF TRADE IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT INCIDENTAL INDIRECT SPECIAL PUNITIVE OR CONSEQUENTIAL DAMAGES OR FOR LOST DATA PROFITS SAVINGS OR REVENUES OF ANY KIND REGARDLESS OF THE FORM OF ACTION WHETHER BASED ON CONTRACT TORT NEGLIGENCE OF SMSC OR OTHERS STRICT LIABILITY BREACH OF WARRANTY OR OTHERWISE WHETHER OR NOT ANY REMEDY OF BUYER IS HELD TO HAVE FAILED OF ITS ESSENTIAL PURPOSE AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 2 erter Conventions MOST50 E O Converter Within this manual the following abbreviations and symbols are used to improve readability Example Description BIT Name of a single bit within a field FIELD BIT Name of a single bit BIT in FIELD Range from x to y inclusive BITS m n Groups of bits from m to n inclusive PIN Pin Name msb Isb Most significant bit least significant bit MSB LSB Most significant byte least significant byte zzzzb Binary number value zzzz Oxzzz Hexadecimal number value zzz zzh Hexadecimal number value zz rsvd Reserved memory location Must write 0 read value indeterminate code Instruction code or API function or parameter Multi Word Name Used for multiple words t
7. SmS User s Manual SUCCESS BY DESIGN MOST50 E O Converter E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Jan 2009 Page 1 MOST50 E O Converter erter Further Information For more information on SMSC automotive products including integrated circuits software and MOST development tools and modules visit our web site http www smsc ais com Direct contact information is available at http www smsc ais com offices SMSC Europe GmbH Bannwaldallee 48 D 76185 Karlsruhe Germany SMSC 80 Arkay Drive Hauppauge New York 11788 USA Technical Support Contact information for technical support is available at http www smsc ais com contact Legend Copyright 2009 SMSC All rights reserved Ensure that all information within a document marked as Restricted Access is handled solely in accordance with the agreement pursu ant to which it is provided and is not reproduced or disclosed to others without the prior written consent of SMSC The confidential ranking of a docu ment can be found in the footer of every page This document supersedes and replaces all information previously supplied The technical information in this document loses its validity with the next edition Although the information is believed to be accurate no responsibility is assumed for inaccuracies Specifications and other documents mentioned in this document are subject to change without notice SMSC reser
8. cable is connected correctly and that the Versatile Link receiver meets the specifications listed in Appendix A If the Versatile Link transmitter does not turn on while the ePHY Error LED is on then the transmitter is malfunctioning Battery charge does not last more than eight hours or the low battery indicator turns on prematurely The battery is faulty and should be replaced Something is rattling inside of the enclosure E O Converter User s Manual The LED lightpipe is loose by design Check to see that the rattling is not caused by the LED lightpipe by holding a finger on the lightpipe and gently shaking the enclosure If itis not the lightpipe then something else is loose inside the enclosure and could cause a short to the battery Do not operate the E O Converter Table 5 1 Troubleshooting DB0820UM1A Page 23 Copyright 2009 SMSC MOST50 E O Converter erter Appendix C Initial Charge Instructions Before using the MOST50 E O Converter a full charge cycle must be completed as follows 1 Turn OFF the power switch 2 Connect the 12 V power supply to the power jack The Charge LED blue will turn on indicating a fast charge cycle is in progress 3 Wait until the Charge LED turns off The initial charge may take three to four hours to complete Once the initial charge is complete the E O Converter is ready to use To ensure maximum battery life do not disconnect the 12 V power suppl
9. ce the battery reaches a minimum voltage the charger will commence with the fast charge cycle The E O Converter uses a nickel metal hydride rechargeable battery therefore it is not necessary to fully discharge the battery before it can be recharged When the power switch is in the ON position and the DC power supply is connected to the power jack the DC power supply powers the board supplies 3 3 V and 2 5 V for the functional circuitry data conversion Operation of the E O Converter while the battery is charging can be a useful feature during compliance testing The E O Converter outside of the test environment can be powered by a DC power supply which ensures that its battery maintains a full charge When the battery of the E O Converter inside of the test environment is low indicated by the Power LED yellow on the inside and outside E O Converters can be switched to allow the empty battery to charge while testing continues Switching the E O Converters in this manner results in minimal down time and can easily be done between tests Once the DC power supply is disconnected the charger circuit shuts down If the power switch is ON when this occurs the board power supplies will continue to be powered by the battery A full battery charge typi cally provides 10 hours of power for MOST50 E O Converter operation After approximately eight hours the low battery indicator Power LED yellow turns on This indicates that there are less than tw
10. ctrically isolate the device under test from the other network components The test configurations provided can be used for m Radiated Emissions m Bulk Current Injection BCI m Transverse Electromagnetic TEM Cell Operational Electrostatic Discharge ESD 5 1 Radiated Emissions Figure 5 1 shows a sample CISPR 25 2002 style test configuration for radiated emissions testing Two E O Converters are used in the configuration One is connected electrically to the DUT inside of the anechoic chamber the other is connected to the stimulus equipment outside of the anechoic chamber A glass optical fiber cable connects the E O Converters together isolating any radiated noise from the stimu lus equipment The E O Converter is grounded to the ground plane to minimize unwanted emissions Figure 5 1 shows that copper tape was used to ground the E O Converter to the ground plane inside of the chamber A picture of the E O Converter is shown to further clarify how it is connected inside the chamber Outside the chamber the stimulus equipment including all other nodes that are a part of the actual appli cation are connected to the MOST50 network An OptoLyzer G2 3050e may also be used outside the chamber to monitor all MOST50 traffic E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 14 smsc MOSTS50 E O Converter 7 7 POOLS SS 9 2 12 lt 5 lt 1 DUT 9 Stimulus Equipment 2
11. e charger circuit automatically turns on when a DC power supply is inserted into the power jack independent of the power switch When the fast charge conditions are met the char ger circuit begins to fast charge the battery Fast charge is active when the Charge LED blue is on If the battery reaches a temperature greater than 50 C the charger circuit exits the fast charge cycle The fast charge cycle typically lasts three to four hours when the battery is completely discharged The end of the fast charge cycle is indicated by the Charge LED turning off Anytime that the Charge LED is off and the DC power supply is connected to the E O Converter the charger circuit trickle charges the battery Trickle charge mode helps to maintain a full charge on the battery without over charging it Inserting a DC power supply into an E O Converter with a full charge on its battery results in a short fast charge cycle A temperature monitor ensures that the charger circuit does not enter fast charge until the battery temperature is less than 40 C The Charge LED will flash to indicate that the battery cannot enter fast charge mode The Charge LED stops flashing once the battery temperature falls below 40 C If the battery is severely depleted of charge and the DC power supply is plugged into the E O Converter a pre charge will occur to condition the battery for a fast charge cycle This pre charge condition is also sig nified by the Charge LED flashing On
12. hat are considered a single unit such as Resource Allocate message or Connection Label or Decrement Stack Pointer instruction Section Name Section or Document name VAL Over bar indicates active low pin or register bit X Don t care Parameter indicate a Parameter is optional or is only used under some conditions Parameter Braces indicate Parameter s that repeat one or more times Parameter E O Converter User s Manual Brackets indicate a nested Parameter This Parameter is not real and actually decodes into one or more real parameters DB0820UM1A Page 3 Copyright 2009 SMSC MOST50 E O Converter erter EE 5 um Mn er 5 1 2 Deliverables c ae 5 2 INTRODUCTION mem 6 3 SYSTEM EXAMPLE denang nun anuk anaa sinu aa ea eaaa adegan aaa Gaga bea kag anaa 8 4 BOARD eegene nega nanak a wa wada Sawa anae aaa ana na KIA MIN DEUS 10 4 1 Battery Operation disasak n 11 4 2 Physical Layer Conversion uoce doi EH t d een ee Doer la Fic ect 12 4 9 otatus EE 13 4 31 m eege M 13 432 Ghatge ee NG eege eeh Ee ern M AR NGA Seege eebe 13 4 3 8 t cc 13 El ah On EE 13 5 TEST CONFIGURATIONS sane dawa wa dg atan aane aaaeaii aiaiai 14 5 1 Radiated Emissions sasa wara
13. he DC power supply and check if the E O Converter powers up If it now works the Power LED green will turn on Also the Charge LED blue will turn on or flash If the Charge LED does not turn on or flash the battery is defective If neither of these works the power supply might not be operating correctly Check that the green LED is on for the 12 V power supply Network does not lock Check the Optical Error and ePHY Error LEDs on the E O Converters If the Optical Error LED is on make sure that the glass optical fiber cable is hooked up correctly and the connections are securely in place If the ePHY Error LED is on make sure that the ePHY cable is hooked up correctly and the connections are securely in place If neither of these works make sure that the network has a timing master Charge LED is flashing The battery is severely depleted of charge and a pre charge is needed The charger will begin a fast charge cycle when a minimum voltage is reached The battery has recently been charged and is outside of the temperature range to enter another fast charge cycle The unit is ready to be used Power LED is flashing green and yellow The battery is malfunctioning or has become disconnected ePHY Error Versatile Link transmitter is not working The Versatile Link transmitter should be lit at the same time as the ePHY Error LED If they both turn on make sure that the plastic fiber optical
14. influence on MOST50 ePHY network messages Protection of stimulus equipment from harsh test environments Optical interface operable at lengths up to 50 m Aluminum enclosure with battery power supply to reduce emissions and improve immunity On board battery charger circuit Simultaneous battery charging and powering the device Low battery indicator Remote monitoring of ePHY errors through a Versatile Link optical transmitter The MOST50 E O Converter has been tested under the following conditions m CISPR 25 2002 Radiated and Conducted Emissions Class 5 narrowband m ISO 11452 3 2001 E 225 V m 1 400 MHz m SO 11452 4 2001 200 mA no network unlocks or coding errors 300 mA no physical damage m SO 10605 2001 Handling 8 kV contact discharge Operational 15 kV air discharge E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 7 MOST50 E O Converter erter 3 System Example Instructions on setting up a sample test system are provided in this section The test system shown in Figure 3 1 utilizes two MOST50 E O Converters to electrically isolate an OS81082 Evaluation Board which is the DUT in this sample system The test environment in this example is represented by the anechoic chamber The OptoLyzer G2 3050e serves as the MOST50 network master and is used to moni tor and inject network traffic through either OptoLyzer transceiver or MOST RapidControl Anechoic Chamber UTP
15. o hours of battery life remaining and that the battery should be recharged To conserve battery charge the power switch should be turned OFF whenever tests are not being conducted E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 11 MOST50 E O Converter erter 4 2 Physical Layer Conversion The primary function of the MOST50 E O Converter is network signal conversion between electrical and optical physical layers The E O Converter incorporates two OS81082 Intelligent Network Interface Controllers INICs to achieve this conversion The network frame rate of both ePHY and optical physical layer net works is 48 kHz One INIC receives the incoming ePHY network signal and retransmits it as the outgoing optical physical layer network signal the other INIC receives the incoming optical physical layer network signal and retransmits it as the outgoing ePHY network signal This ePHY to optical physical layer conver sion is accomplished by re clocking the MOST50 network signal while maintaining data integrity The optical physical layer signal is a pseudo MOST50 interface that is based on Positive Emitter Coupled Logic PECL Since the optical physical layer network produces no emissions and is isolated electrically it can be routed through the EMC chamber wall and connected to another E O Converter where it is con verted back to an ePHY network signal The optical physical layer interface consists of a 1300 nm wave length
16. optical physical layer transceiver with a SC duplex receptacle This allows the signal to be transmitted over multi mode 62 5 125 um glass optical fiber cable for distances up to 50 m The MOST50 E O Converters can be integrated into larger chambers without adding any significant delay to the network The incoming ePHY and optical physical layer network signals are checked for coding errors and network unlocks Any time an ePHY network error occurs the ePHY Error LED red is pulsed on Any time an optical physical layer network error occurs the Optical Error LED red is pulsed on A coding error is indicated by an LED ePHY Error Or Optical Error pulse length greater than 50 ms while a network unlock event produces a pulse length greater than 150 ms ePHY network errors are also conveyed from the versatile Link optical transmitter see Figure 4 2 A versatile Link optical receiver along with a plastic optical fiber POF cable can be used to capture ePHY network errors that occur during testing This is especially useful for auto mated Bulk Current Injection 1 and Transverse Electromagnetic TEM cell testing outlined in Sections 5 2 and 5 3 The pulse lengths of the ePHY network errors transmitted from the Versatile Link optical transmitter are the same as ePHY network errors on the ePHY Error LED ePHY Optical CD ex E ae Versatile Link transmitter Figure 4 2 Versatile Link Transmitter ePHY Error E O Con
17. ra aan deg aaa ev iv cvv acce cvv nue ck a au d arana a Yan E VY da 14 5 2 Bulk Current Injection cn 16 5 3 Transverse Electromagnetic Cell 18 5 4 Electrostatic Discharge aana aaa eire E ena retis ae ee ee es 21 APPENDIX A SPECIFICATIONS 22 APPENDIX B TROUBLESHOOTING 23 APPENDIX C INITIAL CHARGE INSTRUCTIONS eese 24 E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 4 Confidential erter MOSTS50 E O Converter 1 Preface 1 1 Intended Use SMSC s MOST50 E O Converter is intended for use during development test and analysis of MOST50 Electrical Physical Layer ePHY network devices Operation of the MOST50 E O Converter is supported only when used in conjunction with the components provide by SMSC which are included in the product deliverables see Section 1 2 The original state of the product should not be altered otherwise product functionality and performance cannot be guaranteed and user safety may be at risk This user s manual should be read in its entirety prior to operating the MOST50 E O Converter with spe cial consideration given to Initial Charge Instructions Appendix C Any reference to E O Converter in this document implies MOST50
18. robe 12 Plastic Optical Fiber Insulating Support 13 ePHY Error Monitoring Receiver DUT Power Cable 14 RF Source Copper Tape to TEM Cell Floor 15 50 Load 1 2 3 4 5 6 7 8 Figure 5 3 TEM Cell Test Setup E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 19 MOST50 E O Converter SMSe Figure 5 4 Typical E O Converter TEM Cell Setup E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 20 smsc MOSTS50 E O Converter 5 4 Electrostatic Discharge Figure 5 5 shows a sample test configuration for an ISO 10605 2001 operational ESD test The glass opti cal fiber isolates the stimulus equipment from the high voltage transients that are induced on the DUT The E O Converter inside the test environment is isolated from the ground plane using an insulating support Grounding only the DUT with copper tape ensures that the ESD events induced on the ePHY network are dissipated solely through the DUT DUT 9 Stimulus Equipment ePHY Cable Including E O Converter MOST50 E O Converter 10 12 V Battery Glass Optical Fiber SC Duplex 11 ESD Simulator Ground Plane 12 ESD Gun Insulating Support 13 Building Ground DUT Power Cable 14 Ground Strap Copper Tape to Ground Plane Figure 5 5 Operational ESD Test Setup E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 21 MOST50 E O Converter
19. ry is being trickle charged 4 3 3 Optical Error The Optical Error LED is only valid while the E O Converter is powered Power LED is green The two states for the Optical Error LED include m Off There are no coding errors or network unlocks from the incoming optical network m Red A coding error or network unlock event occurred on the incoming optical network The pulse width of the on cycle is greater than 50 ms for coding errors and greater than 150 ms for network unlock events The Optical Error LED is constantly on while the error condition persists 4 3 4 ePHY Error The ePHY Error LED and Versatile Link transmitter are only valid when the E O Converter is powered Power LED is green The two states for the ePHY Error LED and Versatile Link transmitter include m Off There are no coding errors or network unlocks from the incoming ePHY network m Red A coding error or network unlock event occurred on the incoming ePHY network The pulse width of the on cycle is greater than 50 ms for coding errors and greater than 150 ms for network unlock events The ePHY Error LED and Versatile Link transmitter are constantly on while the error condition persists E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 13 MOST50 E O Converter erter 5 Test Configurations The MOST50 E O Converter can be used in a variety of tests This chapter provides four test configuration examples each using a pair of E O Converters to ele
20. ust be performed Q4 while the device is operating an active system Electrical isolation is required MOST50 minimize the influence of other Network network devices and various Device environmental factors MOST50 ePHY Network DUT MOST50 Network Device 2 Figure 2 1 MOST50 Network Implementation The MOST50 E O Converter assists in isolating the DUT during a functional network test by converting a MOST50 ePHY network into an optical physical layer network interface Figure 2 2 shows how this is achieved by using two E O Converter devices One E O Converter is connected electrically to the MOSTS50 network devices outside of the test environment while the other E O Converter is connected electrically to the MOST50 DUT inside of the test environment The MOST50 network is completed when an optical connection is made between the two E O Converters E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 6 erter MOSTS50 E O Converter Isolated EMC ESD Test Environment MOST50 Network Device 1 MOST50 MOST50 MOST50 MOST50 MOST50 E O E O Network ePHY Converter Converter RMY Device Network Network 1 DUT MOST50 Network Device 2 Figure 2 2 MOST50 Network Implementation with DUT Isolation The major features of the MOST50 E O Converter include Conversion between MOST50 ePHY network signals and optical physical layer network signals Minimal
21. verter User s Manual Copyright 2009 SMSC DB0820UM1A Page 12 erter MOST50 E O Converter 4 3 Status LEDs The E O Converter provides four status LEDs Power Charge Optical Error and ePHY Error In addition the ePHY Error Versatile Link transmitter provides status similar to the ePHY Eror LED The status LEDs and Versatile Link transmitter are shown in Figure 4 3 ePHY 06999 Error Sole Q OO uy amp Q C e A S S amp O Figure 4 3 LED Layout 4 3 1 Power The Power LED provides four states that convey the following status information m Off The E O Converter is not powered power switch is OFF or battery charge is depleted Green The E O Converter is powered via the battery or the power jack power switch is ON Yellow The battery has less than two hours of charge remaining Use the DC power supply to charge the battery m Flashing Green Yellow The battery is disconnected or defective DC power supply is present 4 3 2 Charge The Charge LED is relevant only when the DC power supply is connected to the power jack The three states of the Charge LED include m Off The battery is in trickle charge mode This indicates that the fast charge cycle has completed and the battery is fully charged m Blue The charger circuit is in fast charge mode m Flashing Blue The battery cannot enter fast charge mode because the temperature is too high or the battery is severely discharged In this mode the batte
22. ves the right to make changes to this document and to the products at any time without notice Neither the provision of this information nor the sale of the described products conveys any licenses under any patent rights or other intellectual property rights of SMSC or others There are a number of patents and patents pending on the MOST technology and other technologies No rights under these patents are conveyed without any specific agreement between the users and the patent own ers The products may contain design defects or errors known as anomalies including but not necessarily limited to any which may be identified in this document which may cause the product to deviate from published descriptions Anomalies are described in errata sheets available upon request SMSC products are not designed intended authorized or warranted for use in any life support or other application where product failure could cause or contrib ute to personal injury or severe property damage Any and all such uses without prior written approval of an officer of SMSC will be fully at your own risk MediaLB is a trademark and SMSC and MOST are registered trademarks of Standard Microsystems Corporation SMSC Other names mentioned may be trademarks of their respective holders SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABLLITY FITNESS FOR A PARTICULAR PURPOSE TITLE AND AGAINST INFRINGEMENT A
23. y until the fast charge cycle is complete E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 24 erter MOSTS50 E O Converter NOTES E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 25 MOSTS50 E O Converter P smsc x X 13169
24. yzer o1305 e iex SE 3 MOST50 Trigger ePHY Back Panel ePHY Optical Error o CE ePHY Optical Error MOST50 INIC Debug Port Figure 3 2 Connection Diagram E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 9 MOST50 E O Converter erter 4 Board Details An overview of the MOST50 E O Converter PCB is shown in Figure 4 1 The E O Converter provides a single power jack for supplying power 12 V 2 5 A typical to the entire E O Converter This jack supports a power plug such as Binder 99 3400 100 03 or equivalent Alternatively the E O Converter power can be supplied by an internal battery Power from the battery or external power supply can be completely dis connected from the functional circuitry by the power switch The power switch must be in the ON position in order for the E O Converter to function H Power UI Charge BL Optical Error Down Off ePHY Error Power Jack Versatile Link Transmitter Battery 581082 Optical Connector Connector OS81082 Figure 4 1 E O Converter PCB Block Diagram E O Converter User s Manual Copyright 2009 SMSC DB0820UM1A Page 10 erter MOSTS50 E O Converter 4 1 Battery Operation An on board charger circuit is provided which allows the battery to charge when a DC power supply is present at the power jack Th
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