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A-10

Appendix A

 

Fibre Channel Overview

Problems with Fibre Channel

Additional optical cable considerations are as follows:

• Cable between two nodes must use the same core size.

NOTE

The limitation on mixing core sizes applies only to cable between two 
nodes and is only a concern when splicing or connecting optical cables 
directly together. Different size optical cable can be used in the same 
Fabric between different sets of nodes.

• Three core sizes supported by Fibre Channel are: 62.5 micron, 50 

micron, and 9 micron.

Summary of Contents for 2100 ER

Page 1: ...HP SureStore Fibre Channel SCSI Bridge 2100 ER User Guide Edition 3 Part Number C6340 90003 February 2000 Printed in Greeley CO USA Copyright 2000 Hewlett Packard Company ...

Page 2: ...on either repair or replace products which prove to be defective Replacement products may be either new or like new 2 HP warrants that HP software will not fail to execute its programming instructions for the period specified above due to defects in material and workmanship when properly installed and used If HP receives notice of such defects during the warranty period HP will replace software me...

Page 3: ...TEN OR ORAL IS EXPRESSED OR IMPLIED AND HP SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE 8 HP will be liable for damage to tangible property per incident up to the greater of 300 000 or the actual amount paid for the product that is the subject of the claim and for damages for bodily injury or death to the e...

Page 4: ...ent edition The printing date changes when a new edition is printed Minor corrections and updates incorporated at reprint do not change this date Edition 1 July 1998 Edition 2 December 1998 Added textual enhancements and revised illustrations Edition 3 February 2000 Added references to magneto optical devices and revised illustrations ...

Page 5: ...s call attention to a procedure or practice that could result in personal injury if not correctly performed Do not proceed until you fully understand and meet the required conditions CAUTION Cautions call attention to an operating procedure or practice that could damage the product if not correctly performed Do not proceed until you fully understand and meet the required conditions NOTE Notes prov...

Page 6: ...tings and how to change them and verification of the system setup Chapter 4 Troubleshooting Guide Possible start sequence errors instructions for starting diagnostic procedures and how to proceed Appendix A Fibre Channel Overview Background information about the Fibre environment including specifics relating to the Fibre Bridge Appendix B Support and Customer Service Resource information about acc...

Page 7: ...Fibre Bridge Chapter Overview 2 2 Mounting the Fibre Bridge in a Rack 2 3 Assemble the L brackets to the Fibre Bridge 2 4 Install the Fibre Bridge in the Rack 2 5 Installing Cables 2 6 Fibre Bridge Connection Basic Configuration Example DLT and MO Libraries 2 6 Fibre Bridge Connection Expanded Configuration Example DLT libraries only 2 8 Optical Fibre Channel Cable Options 2 11 3 Operating the Fib...

Page 8: ...Hub DLT Only 4 4 Problem Cannot Turn On the Fibre Bridge 4 4 Problem Cannot Confirm the Library Connection 4 4 A Fibre Channel Overview Overview A 2 Defining Fibre Channel A 3 Implementing Fibre Channel A 5 Distributed Devices A 5 Cabling Advantages A 5 Working With Fibre Channel A 6 Problems with Fibre Channel A 9 Physical Connections A 9 Laser Power Control Systems A 11 Device Addressing A 11 B ...

Page 9: ...anty B 11 C Safety and Regulatory Information Chapter Overview C 2 CDRH Regulations USA Only C 3 United Kingdom Telecommunications Act 1984 C 3 Herstellerbescheinigung C 5 English Translation of German Sound Emission Directive C 5 Turvallisuusyhteenveto C 6 English Translation of Finland Regulatory Information C 7 Japanese VCCI Statement C 8 Glossary Index ...

Page 10: ...x Contents ...

Page 11: ...cts 1 5 Table 1 3 Physical Specifications of the Fibre Bridge 1 6 Table 1 4 Location Criteria 1 6 Table 2 1 Assembly Components 2 3 Table 2 2 Fiber Optic Cable Options 2 11 Table 3 1 Fibre Bridge Default Configuration Settings 3 8 Table A 1 Fibre Channel Supported Fabric Topologies A 4 ...

Page 12: ...xii Tables ...

Page 13: ...2 3 Fibre Bridge Connection Basic Configuration DLT and MO Libraries 2 7 Figure 2 4 Fibre Bridge Connection Expanded Configuration Minimum DLT Only 2 9 Figure 2 5 Fibre Bridge Connection Expanded Configuration Maximum DLT Only 2 10 Figure 3 1 Fibre Bridge Back View 3 4 Figure 3 2 Connecting the Serial Cable 3 6 Figure 3 3 Fibre Bridge Configuration Main Menu 3 9 Figure 3 4 Fibre Bridge Configurati...

Page 14: ...xiv Figures ...

Page 15: ...1 1 Introduction 1 Introduction ...

Page 16: ... 2 Chapter1 Introduction Chapter Overview Chapter Overview This chapter provides the following information Fibre Bridge Components and Supported Products Choosing a Location Fibre Channel Configurations ...

Page 17: ...e Fibre Bridge Table 1 1 Supplied Components Item Quantity Description Feet 4 Rubber pads for bottom of Fibre Bridge Not required for rackmount installation Fibre Channel SCSI Bridge 2100 ER User Guide CD ROM 1 User Guide in English French German and Japanese CD also contains a Fibre Share Primer and Application Notes Filler Panel Decal 1 Adhesive backed decal for filler panel provided by rack man...

Page 18: ...n purposes only SW Optical FC Cable 1 Short Wave Optical Fibre Channel Cable 16 meter length SW Optical GBIC 2 Gigabit Interface Converter Terminator 2 Single ended 68 pin D connector with screws User Guide 1 English manual Rackmount screws and nuts 1 package Includes extra parts Six 6 6x32 screws with lock washers for mounting the Fibre Bridge to L brackets Six 6 10x32 screws and six 6 clipnuts f...

Page 19: ...ts Product Description HP DLT libraries and autoloaders with single ended SCSI interfaces Library models are subject to change Consult with your sales representative HP magneto optical MO libraries with single ended SCSI interfaces Library models are subject to change Consult with your sales representative HP Fibre Channel hub Consult with your sales representative for model of hub HP Host bus ada...

Page 20: ...criteria Table 1 4 Location Criteria NOTE See Chapter 2 for rackmounting instructions Height 1 7 inches 4 2 cm Width 16 9 inches 42 9 cm Depth 9 inches 22 8 cm Physical package weight Approximately 8 pounds 3 6 kg Room temperature 40 104 F 5 40 C Humidity 5 to 80 relative humidity non condensing Power source AC power voltage 100 120V to 220 240 V Clearance Rackmount configuration requires 1 EIA un...

Page 21: ...of only one Fibre Bridge two SCSI buses available and a host Expanded configurations may include multiple hubs and hosts usually connected to one or more networks Basic Configuration Figure 1 1 shows the Fibre Bridge in a basic configuration including one host or server one Fibre Bridge and one library NOTE Magneto optical libraries are supported only on the basic configuration You may connect a m...

Page 22: ...ns Expanded Configuration DLT libraries only Figure 1 2 and Figure 1 3 shows the Fibre Bridge in two possible expanded configurations These configurations are supported on DLT libraries only Figure 1 2 Sample Fibre Channel Configuration Minimum Expansion ...

Page 23: ...Chapter 1 1 9 Introduction Fibre Channel Configurations Figure 1 3 Sample Fibre Channel Configuration Maximum Expansion ...

Page 24: ...1 10 Chapter1 Introduction Fibre Channel Configurations ...

Page 25: ...2 1 Setting Up the Fibre Bridge 2 Setting Up the Fibre Bridge ...

Page 26: ... Chapter2 Setting Up the Fibre Bridge Chapter Overview Chapter Overview This chapter provides instructions on completing the following setup procedures Mounting the Fibre Bridge in a Rack Installing Cables ...

Page 27: ...n the back of the Fibre Bridge Consequently mount toward the back of a rack Before you begin verify you have the assembly components listed in Table 2 1 Table 2 1 Assembly Components Tool 1 2 Phillips screwdriver not supplied Mounting brackets 1 pair L brackets for assembly with Fibre Bridge Rackmount screws and nuts 1 package Includes extra parts Six 6 6x32 screws to attach Fibre Bridge to L brac...

Page 28: ... of the bracket for mounting in a Hewlett Packard rack Non HP racks may require mounting holes number two and four See note below 3 Follow the same procedure for the second L bracket NOTE For non HP racks allow for cable turn A minimum distance of 5 inches 125 mm is required between the back of the Fibre Bridge and the backplane of the rack When installing in racks where the mounting holes in step...

Page 29: ...mounting verify that the clip nuts are in the same position on the right and left rails NOTE The Fibre Bridge mounts from the back of the rack All user functionality is located on the back of the unit no access to the front is required 2 Holding the Fibre Bridge in position align the holes in the mounting brackets with the holes in the clip nuts 3 Install four 10x32 screws into the clip nuts and h...

Page 30: ...uld result in damage to the devices 1 Properly shut down all peripheral devices that will be connected to the Fibre Bridge including the host If the host computer is connected to a network check with the system administrator before switching off power 2 Connect the SCSI cable from bus 1 on the Fibre Bridge to bus 1 on the library For a two drive DLT library connect a SCSI cable from bus 2 on the F...

Page 31: ...into the GBIC on the Fibre Channel HBA in the host 4 Connect the power cord from the Fibre Bridge to an grounded outlet 5 Confirm that all cable ends are connected securely and both ends of the SCSI bus are properly terminated as shown in Figure 2 3 on page 2 7 6 Go to Powering on the System in Chapter 3 Figure 2 3 Fibre Bridge Connection Basic Configuration DLT and MO Libraries ...

Page 32: ...Bridge to bus 1 on the library one For a two drive library connect a SCSI cable from bus 2 on the Fibre Bridge to bus 2 on the library 3 Connect the optical cable from the Fibre Bridge to the hub 4 Connect an optical cable from the hub to each host system If you have a 6 8 host system you will need an additional hub See Figure 2 3 and Figure 2 4 for examples of expanded configurations 5 Connect th...

Page 33: ...Chapter 2 2 9 Setting Up the Fibre Bridge Installing Cables Setting Up the Fibre Bridge Figure 2 4 Fibre Bridge Connection Expanded Configuration Minimum DLT Only ...

Page 34: ...2 10 Chapter2 Setting Up the Fibre Bridge Installing Cables Figure 2 5 Fibre Bridge Connection Expanded Configuration Maximum DLT Only ...

Page 35: ...ses fiber optic cables available in the lengths listed in Figure 2 2 Table 2 2 Fiber Optic Cable Options NOTE For additional information regarding the Fibre Channel environment configuration and other Fibre issues refer to Appendix A Fibre Channel Overview Product Number Length D6980A 164 ft 50 m D6981A 328 ft 100 m ...

Page 36: ...2 12 Chapter2 Setting Up the Fibre Bridge Installing Cables ...

Page 37: ...3 1 Operating the Fibre Bridge 3 Operating the Fibre Bridge ...

Page 38: ... 2 Chapter3 Operating the Fibre Bridge Chapter Overview Chapter Overview This chapter provides the following information Powering on the System Changing the Default Settings Making Configuration Changes ...

Page 39: ...n the proper sequence is important When devices are turned on out of order communication failures may result 1 Power on the library which allows the Fibre Bridge to connect properly to the library when it scans the SCSI bus 2 Power on the Fibre Bridge When you do notice that the power indicator comes on immediately The Fault indicator may flash momentarily After about 30 seconds the SCSI activity ...

Page 40: ...3 4 Chapter3 Operating the Fibre Bridge Powering on the System Figure 3 1 Fibre Bridge Back View ...

Page 41: ...e Connecting the Serial Cable Using the serial cable is not necessary in most installations The default settings work in most configurations Use the serial cable only if one of the following situations occurs The default configuration must be changed A failure has occurred that requires diagnostic procedures See Chapter 4 Troubleshooting If any of these scenarios occur attach the serial cable and ...

Page 42: ...ting the Fibre Bridge Changing the Default Settings Figure 3 2 Connecting the Serial Cable 2 1 4 H No t Su ita ble for Ha rd Dri ve Su bs yst em s 3 1 Fibre Bridge 2 RJ 11 connector 3 Serial cable 4 RJ 11 to DB9 adapter ...

Page 43: ...d by the host Serial Port Operation The serial port on the Fibre Bridge connects to a terminal or computer that is running a terminal emulator such as Hyperterminal on Windows NT The operator can then perform the following Change the system addresses and address modes Check the results of the POST tests Change the operating level of diagnostic routines NOTE The serial port cannot be used to transf...

Page 44: ...dshake No parity 8 data bits 1 stop bit Fibre Channel Hard address mode uses address 0x82 User may change both address mode and hard address SCSI Initiator address 7 Bus automatically negotiates for wide ultra SCSI performance per ANSI SCSI specifications Only the initiator addresses may be changed Each bus can be set to its own initiator address independently of the other bus Trace Debug Level Le...

Page 45: ...on software 2 Press the ENTER key The following menu will display NOTE The user may need to press ENTER several times to prompt the Fibre Bridge to recognize the serial port settings Figure 3 3 Fibre Bridge Configuration Main Menu 3 Use the Perform Configuration menu option to make changes to the configuration To select the option type 1 on the keyboard and press ENTER to display the Fibre Bridge ...

Page 46: ...f any item on the list After all changes have been completed save the changes by pressing a on the keyboard To make changes take effect restart the Fibre Bridge CAUTION Making changes under options B or C does not change the settings in memory Before closing the configuration menu and restarting the Fibre Bridge always select option A Save Configuration ...

Page 47: ...Use this procedure when an additional bridge is installed in a system or to resolve a Fibre Channel device ID conflict 1 From the Configuration menu Figure 3 4 on page 3 10 select option 2 Fibre Channel Configuration 2 To toggle between hard addressing and soft addressing select option 1 3 To choose a new address select option 2 and enter a new address from the table in Figure 3 6 on page 3 12 NOT...

Page 48: ...f addresses Figure 3 6 Fibre Channel Addresses 4 Select an address by entering the number before the colon Pressing any key except a valid number will display an invalid entry message The address will not be changed The firmware will return to the Fibre Channel Configuration menu NOTE Confirm that the Fibre Channel device address selected is unique on the FC AL ...

Page 49: ... parameters without restarting the Fibre Bridge The Trace Level menu is included for troubleshooting purposes The Trace Settings menu enables options in the Fibre Bridge firmware Changing the trace level does not affect the Fibre Bridge s operation but can affect the performance The HP service technician may require that you change one or more settings Do not use the Trace Settings menu unless an ...

Page 50: ...rating the Fibre Bridge Making Configuration Changes Fibre Channel to SCSI Mapping Configuration Use the Fibre Channel to SCSI Mapping Configuration menu to display the SCSI devices that are present on the Fibre Bridge ...

Page 51: ...4 1 Troubleshooting Guide 4 Troubleshooting Guide ...

Page 52: ...erview This chapter provides the following information Possible problems that a user may encounter when installing the Fibre Bridge Recommended procedures for analyzing and solving problems What to do when problems cannot be resolved using the documented approach ...

Page 53: ...owing steps before taking further action 1 Verify all power connections breakers and switch settings are working and correct 2 Confirm that the indicator is on and green 3 Check to see that the indicator is not amber which indicates a self test failure 4 Consult the library user guide for additional troubleshooting steps and support options Problem Cannot Turn On the MO Library If the library will...

Page 54: ... Fibre Bridge will not power on use the following procedures to diagnose the problem 1 Verify that all power connections breakers and switch settings are powered on and are set correctly 2 Confirm that the power indicator is illuminated green 3 Verify that the fault indicator amber is not illuminated 4 If the fault indicator is illuminated the unit is inoperable further diagnostic procedures canno...

Page 55: ...restart the workstation and any other on the loop one at a time so they can re discover the library NOTE DLT Only Do not restart multiple NT workstations on a Fibre Channel loop at the same time Allow each workstation to complete the process and display the NT login prompt before turning on the next computer If more than one workstation is powered on at the same time only one will locate devices o...

Page 56: ...each SCSI bus supporting middle of bus configurations Terminate the SCSI bus on both ends and only at the ends of the bus Check each terminator and connector for bent pins Bus Type Single ended devices cannot be combined with differential devices on the same bus Similarly differential terminators cannot be used on the single ended Fibre Bridge Device ID Each device on a SCSI bus must have a unique...

Page 57: ...terminal or similar has been configured properly See Chapter 3 page 6 7 Verify Fibre Bridge Configuration Configuration changes may result in an invalid configuration If you are in doubt about the configuration refer to Making Configuration Changes on page 3 9 If this procedure fails contact an HP service representative 8 Verify devices If the previous diagnostic procedure have not resulted in a f...

Page 58: ...4 8 Chapter4 Troubleshooting Guide Troubleshooting ...

Page 59: ...A 1 Fibre Channel Overview A Fibre Channel Overview ...

Page 60: ... AppendixA Fibre Channel Overview Overview Overview In this appendix we will describe the following Defining Fibre Channel Implementing Fibre Channel Working With Fibre Channel Problems with Fibre Channel ...

Page 61: ...upports the following Internet Protocol IP Transmission Control Protocol Internet Protocol TCP IP Small Computer System Interface SCSI High Performance Parallel Interface HIPPI Asynchronous Transfer Mode ATM Other high level protocols Using Fibre Channel these protocols can run at the same time For example a host bus adapter HBA can simultaneously send Local Area Network LAN information to another...

Page 62: ...s illustrated in the following table Table A 1 Fibre Channel Supported Fabric Topologies Topology Description Advantages Disadvantages Point to point Dedicated connection between two devices Low cost high performance Fibre Channel Arbitrated Loop FC AL Supports up to 126 devices distributing the 100 MBps data bandwidth among all devices on the loop Supports more devices Increasing the number of de...

Page 63: ...xcept when extra performance is needed Supporting distributed configurations Fibre Channel improves disaster recovery planning Faster speeds and greater transmission distances allow for remotely located backup systems Cabling Advantages Using less cable associated hardware than a typical SCSI environment Fibre Channel reduces total system costs and supports greater performance Easily added and oft...

Page 64: ...into frame sequences Each frame is encoded and sent to the desired target device At the target device the frames are decoded and reassembled into the original sequence The data in the sequence is extracted and then processed by the target system This whole process is done without knowledge of the contents of the information being transferred Because Fibre Channel supports many different communicat...

Page 65: ... data encoding is arranged so that there is never a continuous string of ones or zeros The lower levels of Fibre Channel protocol is handled in the hardware and to a minor extent by the low level HBA drivers System and application software does not need to be aware of any low level protocol operations Additional features exist in the protocol that more advanced applications can use Fibre Channel a...

Page 66: ...ned address If that address is already being used by another device the Fibre Channel device will not respond to any bus activity Soft addressing is similar to LAN addressing where the system determines device addresses As part of the addressing protocol all Fibre Channel devices have one or more unique addresses that are not duplicated any where in the world These addresses are provided by ANSI t...

Page 67: ...n devices depends on the type of cable being used but is limited to less than 20 meters As with all electrical media Fibre Channel copper media can radiate RF interference and can be affected by external RF noises Because of the distance limitation and noise problems copper media should be used only inside a cabinet or rack An optical interface should be used to send data farther ANSI specifies mu...

Page 68: ...he same core size NOTE The limitation on mixing core sizes applies only to cable between two nodes and is only a concern when splicing or connecting optical cables directly together Different size optical cable can be used in the same Fabric between different sets of nodes Three core sizes supported by Fibre Channel are 62 5 micron 50 micron and 9 micron ...

Page 69: ...t addressing Large Fabric networks connecting many devices require the flexibility of soft addressing hard addressing is not supported in a Fabric environment HBA drivers cannot dynamically track device addresses that can change after the system is turned on Physical addresses change while the operating system uses the same logical name for the device Applications that always use the same physical...

Page 70: ...A 12 AppendixA Fibre Channel Overview Problems with Fibre Channel ...

Page 71: ...B 1 Support and Customer Service B Support and Customer Service ...

Page 72: ...omer Service Chapter Overview Chapter Overview This chapter contains information to help users obtain supplies and obtain support In this section you will find the following Supplies and Accessories Hewlett Packard Customer Support ...

Page 73: ...stomer Service Supplies and Accessories A full range of supplies may be ordered through a Hewlett Packard authorized dealer sales office or through HP Direct To contact HP Direct call 1 800 227 8164 Call 1 800 752 0900 for the location of the nearest authorized Hewlett Packard dealer ...

Page 74: ...the computer modem connectivity services available such as America Online or CompuServe See Electronic Support Services on page B 8 Consult one of the customer support centers in your area for standard or post warranty work See Customer Care Centers on page B 9 If you have upgraded your support to on site service call the number listed on the Support Pack or Service Contract If the Fibre Bridge fa...

Page 75: ... HP FIRST QUICK FAX Faxback Services QUICK FAX and HP FIRST are automated systems that fax requested product information and or technical support documents to you These faxback services are available 24 hours day To use this service dial the appropriate fax number below for your country from a touch tone phone Follow the voice prompts to select an index of available support and product documents N...

Page 76: ...alia 03 9272 2627 China 81610 65055280 Hong Kong 800 96 7729 India 91 0 11 682 6031 Indonesia 6221 350 3408 Japan 3 3335 8622 Korea 02 769 0543 Malaysia 800 1611 New Zealand 09 356 6642 Philippines 632 867 3551 Singapore 65 291 7951 Taiwan 02 719 5589 Thailand 02 661 4011 Vietnam 001 84 823 4530 ...

Page 77: ...0800 13134 France 05 905900 Germany 0130 810 061 Ireland 01 662 5525 Italy 1678 59020 Netherlands 06 022 2420 Norway 800 11319 Portugal 01 441 7199 Spain 900 993123 Sweden 020 795743 Switzerland German 0800 55 1527 Switzerland French 0800 55 1526 United Kingdom 0800 960271 Other locations in Europe 31 20 681 5792 North and South America includes Canada 800 368 9673 or 970 635 1510 Other Countries ...

Page 78: ...lable on CompuServe and America Online Hewlett Packard Web Site Product and support information is available on the Hewlett Packard web site www hp com Service Provider Description Address CompuServe To download software firmware and support documents and to discuss issues in user forums Go HPSYS America Online To download software firmware and support documents and to discuss issues in user forum...

Page 79: ...500 European Customer Care Centers Monday Friday 8 30 18 00 C E T NOTE Language or country support might not be available for all products Austria 0711 420 1080 Belgium Dutch 02 626 8806 Belgium French 02 626 8807 Denmark 3929 4099 Finland 0203 47 288 France 01 43 62 34 34 Germany 0180 52 58 143 Ireland 01 662 5525 Italy 02 264 10350 Netherlands 020 606 8751 Norway 22 11 6299 Portugal 21 317 6333 ...

Page 80: ...6 45959 Hong Kong 800 96 7729 India 91 0 11 682 6035 Indonesia 62 21 350 3408 Japan 81 3 3335 8333 Korea 82 0 2 3270 0700 Outside Seoul 080 999 0700 Malaysia 60 3 295 2566 New Zealand 64 9 356 6640 Philippines 63 2 867 3551 Singapore 65 272 5300 Taiwan 886 2 2717 0055 Thailand 66 2 661 4000 Elsewhere Contact your authorized HP dealer distributor or the nearest HP sales and service office ...

Page 81: ...a Using a VISA or MasterCard call one of the following 800 810 0130 Per incident fee of 25 00 will be charged to the credit card 900 555 1800 2 50 per minute with a maximum of 25 00 will be charged to the credit card Europe Call the appropriate number listed under European Customer Care Centers on page B 9 A per incident fee will be charged for after warranty support Please have a credit card PO n...

Page 82: ...B 12 AppendixB Support and Customer Service Hewlett Packard Customer Support ...

Page 83: ...C 1 Safety and Regulatory C Safety and Regulatory Information ...

Page 84: ...afety and Regulatory Information Chapter Overview Chapter Overview This section contains important safety and regulatory information for the United States Finland Sweden Germany United Kingdom European Union and Japan ...

Page 85: ...low indicate compliance with CDRH regulations and must be attached to laser products marketed in the United States WARNING Use of controls adjustments or performing procedures other than those specified in this manual may result in hazardous laser radiation exposure NOTE Complies with 21 CFR Chapter 1 Subchapter J Laser Class Information A label which reads Class 1 Laser Product printed in English...

Page 86: ...C 4 AppendixC Safety and Regulatory Information Chapter Overview ...

Page 87: ...ng vom 18 Januar 1991 Schalldruckpegel Lp 70 dB A am arbeitsplatz normaler betrieb nach ISO 7779 1988 EN 27779 1991 Typprüfung English Translation of German Sound Emission Directive This statement is provided to comply with the requirements of the German Sound Emission Directive from 18 January 1991 Sound pressure Lp 70 dB A at operator position normal operation according to ISO 7779 1988 EN 27779...

Page 88: ...ähettää signaalit siihen kytketyn optisen kuidun kautta Optisessa lähetinmoduulissa ei ole huollettavia kohteita eikä sen tehtaalla tehtyjä säätöjä tule muuttaa Lähetinmoduulin turvallisen toiminnan varmistamiseksi on noudatettava tarkoin sen asentamisesta ja toiseen vastaanottavaan laitteistoon kytkemisestä annettuja ohjeita Tie dye optisessa lähetinmoduulissa käytettävien laserdiodien säteilyomi...

Page 89: ... 1 laser device for the user and the user cannot be exposed to the laser radiation it generates The safety class of the transmitter has been defined according to the EN 60825 1 1994 standard The are no user serviceable parts inside the laser transmitter module and the factory settings should not be adjusted In order to ensure safe operation of the transmitter module all the instructions about inst...

Page 90: ... is in the Class A category information technology equipment based on the rules of Voluntary Control Council For Interference by Information Technology Equipment VCCI When used in a residential area radio interference may be caused In this case user may be required to take appropriate corrective actions ...

Page 91: ...ting code used in Fibre Channel D Differential SCSI A SCSI implementation that allows a cable length of up to 25 meters F Fabric Fibre Channel defined interconnection methodology that supports high speed data routing in Fibre Channel networks FC AL An acronym for Fibre Channel Arbitrated Loop topology FC SW An acronym for Fibre Channel Switched topology The highest performance Fibre Channel fabric...

Page 92: ...l Interface I IP Internet Protocol L Local Area Network LAN A communications system with dimensions that are typically less than 5 kilometers Transmissions within a local area network are mostly digital carrying data among stations at rates usually above one megabit sec M MIA An acronym for the Media Interface Adapter plug ins which allow you to go from copper to optical or visa versa MIM An acron...

Page 93: ...ode that performs data communications over the Fibre Channel link PPP An acronym for Point to Point Protocol A transmission path over which data is transmitted between two Fibre Channel devices Protocol A data transmission convention encompassing timing control formatting and data representation R RAID Redundant Array of Inexpensive Disks Receiver A terminal device that includes a detector and sig...

Page 94: ... Topology The logical and or physical arrangement of stations on a network TCP IP Transmission Control Protocol Internet Protocol W Wide SCSI A SCSI implementation that utilizes a 68 pin cable can be single ended or differential ...

Page 95: ...sary2 Gigabit Interface Converter GBIC Glossary2 GLM Glossary2 H Host Bus Adapter HBA Glossary2 I Installing Cables 2 6 2 11 L Local Area Network LAN Glossary2 M Making Configuration Changes 3 9 MIA Glossary2 MIM Glossary2 Multicast Glossary2 Multimode Fibre Glossary2 N Narrow SCSI Glossary3 Native Interface Glossary2 Non OFC Glossary3 O OFC Glossary3 Originator Glossary3 Overview vi P Physical Sp...

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