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AlphaServer IP Platform Simplex System Diagrams

AlphaServer Intelligent Peripheral Platform Hardware Owner's Guide E-5

Figure E–4: IP Platform Simplex DC System Rear View

ML014031

Back View

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Alarm indicator panel

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AlphaServer 1000A

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BA35x-Sx modular storage shelf (optional)

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-48 Vdc power controller

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ISA bus expansion chassis

Summary of Contents for AlphaServer IP Platform

Page 1: ...AlphaServerIntelligentPeripheral Platform HardwareOwner sGuide Part Number EK ASIP2 OG D01 May 1999 Compaq Computer Corporation Houston Texas ...

Page 2: ...ribed in this guide is furnished under a license agreement or nondisclosure agreement The software may be used or copied only in accordance with the terms of the agreement Compaq the Compaq logo and the Digital logo registered in United States Patent and Trademark Office AlphaServer DIGITAL Tru64 UNIX DECevent DEChub HUBwatch LA75 Plus Companion RX RZ StorageWorks and ThinWire are trademarks of Co...

Page 3: ...tion will vary from device to device and needs to be obtained from the EMC group or product manager EMI Notice This product complies with the following domestic and international standards Domestic FCC Part 15 Class A International CISPR22 Europe EN55022 Class A EC Notice Warning This is a Class A product In a domestic environment this product may cause radio interference in which case the user ma...

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Page 5: ...rity 1 6 1 4 Required and Optional Hardware 1 6 1 4 1 AlphaServer 1000A System 1 6 1 4 1 1 Overview 1 6 1 4 1 2 AlphaServer 1000A Required Hardware 1 7 1 4 2 Modular Storage Shelf Subsystem BA35x Sx 1 8 1 4 2 1 Overview 1 8 1 4 2 2 Modular Storage Shelf Optional Hardware 1 8 1 4 3 ISA Bus Expansion Chassis 1 8 1 4 3 1 Overview 1 8 1 4 3 2 ISA Bus Expansion Chassis Required and Optional Hardware 1 ...

Page 6: ...cator Panel 3 4 3 3 1 2 Dry Contacts 3 5 3 3 2 AlphaServer 1000A System 3 6 3 3 3 Modular Storage Shelf BA35x Sx Subsystem 3 7 3 3 4 ISA Bus Expansion Chassis 3 8 4 Reconfiguring the AlphaServer IP Platform 4 1 Introduction 4 1 4 2 AlphaServer 1000A System Configurations 4 2 4 3 ISA Bus Expansion Chassis Configuration 4 3 4 3 1 Removing and Replacing the Alarm Sensor Module 4 3 4 3 2 Removing and ...

Page 7: ...e B 2 Alarm Control Module 8 Pin MJ Connector B 2 Figure D 1 IP Platform Duplex AC System Front and Side View D 2 Figure D 2 IP Platform Duplex AC System Rear View D 3 Figure D 3 IP Platform Duplex DC System Front and Side Views D 4 Figure D 4 IP Platform Duplex DC System Rear View D 5 Figure E 1 IP Platform Simplex AC System Front and Side View E 2 Figure E 2 IP Platform Simplex AC System Rear Vi...

Page 8: ...2 8 Table 3 1 Dry Contact Relay Functional Specification 3 6 Table 4 1 SRM Console Configuration Commands 4 2 Table A 1 Physical Dimensions A 1 Table A 2 Electrical Specifications for Each Power Controller A 1 Table A 3 Environmental Specifications A 2 Table A 4 Dry Contact Specifications A 3 Table B 1 Alarm Control Module 8 Pin MJ Connector Pinout B 2 Table C 1 Field Wire Recommendations for Each...

Page 9: ...ns for installing the AlphaServer IP Platform hardware Chapter 3 Basic Operation Describes how to turn on the AlphaServer IP Platform Chapter 4 Reconfiguring the AlphaServer IP Platform Explains how to reconfigure the AlphaServer IP Platform Chapter 5 System Troubleshooting Provides basic troubleshooting information Appendix A AlphaServer Platform Specifications Provides system and environmental s...

Page 10: ...formation Document Part Number AlphaServer IP Platform Intelligent Peripheral Fault Manager for Tru64 UNIX Installation and User s Guide AA QN0FD TE AlphaServer Intelligent Peripheral Platform System Manager s Guide AA QU0JC TE AlphaServer 1000A Processor AlphaServer 1000A Rackmount Owner s Guide EK RMNOR OG DIGITAL UNIX Installation Guide AA QTLGB TE StorageWorks KZPSA PCI to SCSI Adapter User s ...

Page 11: ...s and specifications There are two basic AlphaServer IP Platform configurations upon which all platform systems are built IP Simplex System IP Duplex System There may also be custom variations of the IP platform Each rackmount platform requires a console terminal to display all system alarm messages and manage alarm conditions Basic AlphaServer IP Platform management functions are designed to ensu...

Page 12: ...System The duplex rackmount configuration is a central office compatible rackmount system intended for Telco central office environments and is suitable for live network implementations The duplex system includes two each of the following components AlphaServer 1000A system running the Tru64 UNIX operating system ISA bus expansion chassis Alarm indicator panel StorageWorks BA35x Sx mass storage di...

Page 13: ...gical Storage Manager TruCluster Available Server for Tru64 UNIX optional Intelligent Peripheral Fault Manager IPFM for the Tru64 UNIX operating system DECevent Translation Utility All systems include the IP Fault Manager software that detects various system events and performs pre configured actions for each event Solution developers can also use the IP Fault Manager to display application alarme...

Page 14: ...ual indication of an alarmed event Audible indication of an alarmed event Programmable external event notification Diagnostic capability Battery backup for alarm indicators Programmable software interface with interrupt capability Dry contacts for remote monitoring of alarms The alarm subsystem is comprised of two physical modules an alarm control module that resides on the PCI bus and an alarm in...

Page 15: ...poration and Industry Standards The AlphaServer IP Platform conforms to the industry standards outlined in the following subsections 1 3 6 1 Telecommunications Interfaces The AlphaServer IP Platform conforms to the following telecommunications interface standards when Telephony boards are installed T 1 24 channel PCM encoded analog digital network interface E 1 30 channel PCM encoded analog digita...

Page 16: ...rted options and ordering information 1 4 1 AlphaServer 1000A System This section describes the AlphaServer 1000A system It also lists the required hardware for this system 1 4 1 1 Overview The AlphaServer 1000A system is an Alpha uniprocessor server running the Tru64 UNIX operating system A single IP cabinet can support up to two AlphaServer 1000A systems The AlphaServer 1000A system drives all f...

Page 17: ...ber Description Simplex Duplex PB79D RA RM AlphaServer 1000A 5 500 Tru64 UNIX System includes RX23 floppy drive 1 2 PB7MA CE 256 MB memory 1 2 2T VC220 IP AT bus expansion kit EISA ISA module Access I O transmitter and receiver modules and 2 meter cable 1 2 2T IPCON AA Alarm control module 1 2 RZ1CB BS 4 3 GB SCSI hard disk drive Note Each AlphaServer 1000A system in the simplex and duplex configu...

Page 18: ...lf Table 1 2 Modular Storage Shelf BA35x Sx Optional Hardware Part Number Description BA35x Sx Rackmount StorageWorks in BA35x Sx enclosure DS RZ1CF VW StorageWorks disks for BA35x enclosure 4 3 GB disks DWZZB VW Fast wide differential to single ended SCSI converter for BA35x Sx Terminates SCSI bus at storage unit KZPSA BB Fast wide differential SCSI controller H885 AA Tri link connector block H87...

Page 19: ... Dialogic D 320SC 32 channel high density voice processing module Opt Opt 2T VCLSI xx 1 Dialogic LSI 120 12 channel standard density analog loop start network interface module Opt Opt 2T VC121 xx 1 Dialogic D 121B 12 channel standard density analog loop start call processing module Opt Opt 2T VCFAX xx 1 Dialogic FAX 120 12 channel standard density FAX processing module Opt Opt 2T VCF4E xx 1 Dialog...

Page 20: ...e 1 4 lists the IP power controller options Table 1 4 IP Power Controller Options Part Number Description Simplex Duplex H7600 AA 120 Vac power distribution unit that provides ten 10 ac outlets an attached power cord with an L5 30P plug an on off circuit breaker and a power on light 1 2 H7600 DB 250 Vac power distribution unit that provides twelve 12 IEC 320 ac outlets an attached power cord with ...

Page 21: ...External Hardware Options Table 1 6 contains external hardware options Table 1 6 External Hardware Options Part Number Description LA75S AA LA75 Plus Companion printer for hardcopy system output FR B16AP EG or equivalent Personal computer for ServerWORKS VT520 VT525 or equivalent Console terminal ...

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Page 23: ...tomer specification with all hardware and software factory installed It is shipped ready for connection to a customer s power source and network hardware _____________________________ Note____________________________ Value added Implementation Services VIS is available for the AlphaServer IP Platform products VIS provides high quality integration test verification and site installation each proces...

Page 24: ...ensure that The installation site meets the specifications and environmental conditions listed in Appendix A For more information about planning and preparing the installation site for a computer network for a free standing system refer to the Site Environmental Preparation Guide PN EK CSEPG MA Available by calling 1 800 344 4825 The power source is correct for your system and is one of the follow...

Page 25: ...r other persons A qualified service person need not be a Compaq service representative ______________________________________________________________ ___________________________VORSICHT _________________________ Das System darf nur von qualifizierten Fachleuten installiert werden Qualifizierte Fachleute sind Personen die entsprechend technisch geschult sind und über die nötige Erfahrung verfügen u...

Page 26: ...4 Connect to the network hardware see Section 2 4 1 1 5 Connect the IP Platform to the appropriate power supply See Appendix C for instructions on wiring the 48 Vdc controllers if your system has them installed Refer to the power ratings listed on the cabinet part number label located at the rear of the cabinet above the door 6 Verify the hardware setup Before you turn on the system check to ensur...

Page 27: ... 1 T 1 to D 240SC T1 Pin Designations Signal Pin s Receive ring input to network interface module 1 Receive tip input to network interface module 2 No connection 3 6 Transmit ring output from network interface module 5 Transmit tip output from network interface module 4 Optional shield 7 8 The pin designations for the network interface module cable end for DTI 211 T 1 modules are specified in Tabl...

Page 28: ...d To cable the DTI 212 75 ohm module to the E 1 network follow these steps 1 Attach the appropriate end of the E 1 to DTI 212 receive cable to jack J201B on the rear bracket of the DTI 212 module Carefully push the BNC connector onto the jack and lock by turning a quarter turn clockwise 2 Attach the appropriate end of the DTI 212 to E 1 transmit cable to jack J201A on the rear bracket of the DTI 2...

Page 29: ...s a DB 25 connector on one end to connect to the LSI 120 and a 50 pin connector on the other end that provides 12 tip and ring pin pairs that are compatible with a standard RJ 21X USOC jack Use Dialogic s SA 120 RJ 11 assembly This assembly accepts the 50 pin male connector from the SA 120 RJ 21 cable and terminates with 12 RJ 11 connectors This cable allows you to connect individual subscriber li...

Page 30: ...C 25 50 TIP NC 2 4 1 2 IP Power Controller The AlphaServer IP Platform supports the following power controller models 120 Vac 250 Vac or 48 Vdc Each simplex and duplex rackmount system has one or two power controllers located in the bottom of the cabinet Each controller supports one BA35x Sx ISA bus expansion chassis and an AlphaServer 1000A system Instructions for wiring the 48 Vdc power controll...

Page 31: ...locks The AlphaServer 1000A system also comes with a set of keys for each CPU _____________________________ Note____________________________ Store the keys in a safe place Record the key number for each cabinet door and each CPU Store this information in a safe place you will need the information if replacement is necessary ______________________________________________________________ The AlphaSe...

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Page 33: ...ering up the AlphaServer IP Platform switch the circuit breakers at each power controller located in the rear of the cabinet to the on position The modular storage shelf BA35x Sx automatically powers up 3 2 2 Step II ISA Bus Expansion Chassis To power up the ISA bus expansion chassis press the On Off switch on the front of the ISA bus expansion chassis The green ON Off indicator on the front of th...

Page 34: ...anel has two other indicators used for status information These are the following Status display Alarm indicator panel OK LED green The status display is used to output status as a result of the diagnostic testing and to display other status information as shown in the following tables The OK LED is lit after a successful reset and will remain lit until either an unsuccessful reset or a loss of ba...

Page 35: ...re Test On Off t Off If the AlphaServer 1000A system looses power while the IPFM software is running the following table describes the possible conditions of the alarm indicator panel Condition OK LED Minor Alarm LED Status Display Audible Alarm Fully discharged batteries Off Off blank Off Fully charged batteries On On p On Partially charged batteries On On b On Figure 3 1 shows a front and rear v...

Page 36: ...U controlling it is still running The function is enabled by software which starts a timer As long as software resets the timer before expiration a rotating bar is displayed in the status display otherwise a minor alarm is generated A minor alarm will also be generated if power to the alarm indicator panel is lost and a p will be displayed in the status display 3 3 1 1 Replacing Batteries in the A...

Page 37: ...alsch auswechseln besteht Explosionsgefahr Folgen Sie bei der Beseitigung der alten Batterien sowohl den Anweisungen des Batterieherstellers als auch den jeweiligen länderspezifischen bzw lokalen Vorschriften zur richtigen Batteriebeseitigung ______________________________________________________________ 8 Observing proper polarity install the seven new batteries in the battery holders After insta...

Page 38: ...000A System Once the AlphaServer 1000A system power is turned on the screen on the IP Platform console displays test codes and initialization messages When the startup procedure is complete the following occurs The IP Platform console terminal emulation window displays the SRM console prompt The operator control panel on the front of the AlphaServer 1000A system displays the message Model 5 500 Bo...

Page 39: ...SCSI address for the SSB device is defined automatically by the SSB slot location ______________________________________________________________ After power is supplied to the IP Platform observe the status LEDs for the following successful indications On a power supply SBB both green status LEDs should be on On a storage SBB the green device activity LED is either on flashing or off The amber dev...

Page 40: ... system Slide mounted to allow front access to all modules 430 W power supply to support maximum output voltages to voice boards and capacities as shown in the following table Voltage Amps 5 70 5 1 0 12 5 0 12 1 0 Provided that the maximum output power does not exceed the power supply rating Contains a load module to provide minimum power supply pre load 4 2 A 5 V This module may be removed from t...

Page 41: ...mands Before you attempt to install third party devices inside your system unit check with the third party vendor to ensure that your system hardware and operating system software support the device ____________________________ Caution __________________________ Static electricity can damage electronic components Use the antistatic wriststrap located in the inside rear cabinet door pocket Addition...

Page 42: ...and make modifications if necessary The EISA Configuration Utility ECU must be run whenever you add remove or move an EISA or ISA card within the AlphaServer 1000A system The ECU is a menu based utility run from the SRM console that provides online help to guide you through the configuration process ______________________________ Note ___________________________ Do not move the slot location of th...

Page 43: ...lacing the fan or power supply refer to the I Bus 4820 User Manual that is shipped with your system Refer to Section 4 3 1 and Section 4 3 2 for complete descriptions of removing and replacing the alarm sensor module and the AT bus expansion kit 4 3 1 Removing and Replacing the Alarm Sensor Module The alarm sensor module is mounted in the drive bay area of the ISA bus expansion chassis The 2T IPSE...

Page 44: ...assis 6 Remove the screw that secures the receive module to the rear bulkhead of the ISA bus expansion chassis 7 Remove the receive module from the ISA bus expansion chassis To replace the receive module in the ISA bus expansion chassis reverse steps 1 through 7 of the removal procedure Ensure that the jumpers on the new receive module are set to match the jumpers on the receive module being repla...

Page 45: ...the connector s on the rear of the alarm indicator panel s 4 If attached disconnect any cables connected to the dry contact terminal blocks 5 On the rear of the alarm indicator panel that contains the alarm indicator module to be replaced remove the two screws that secure the miniature 26 pin connector to the rear cover 6 Remove the three screws from the top edge and the three screws from the bott...

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Page 47: ...ed service person should install the system A qualified service person is an individual who has the technical training and experience to be aware of the Hazards to which they are exposed in performing a task Measures to minimize the danger to themselves or other persons A qualified service person need not be a Compaq service representative __________________________________________________________...

Page 48: ...system indicates network problems an EISA module is not configured or a PCI module is unseen by the system The monitor or the terminal is not working The keyboard and mouse are not working The system repeatedly shuts down after 10 seconds The system does not see or cannot access RAID drives The Flash ROM is corrupted and the system cannot access console mode 5 3 Alarm Indicator Panel The alarm ind...

Page 49: ...SBBs to indicate problems within the power unit storage devices and StorageWorks shelf Depending upon the problem these displays can be flashing on or off The BA350 Modular Storage Shelf Subsystem User s Guide provides instructions on how to interpret these displays 5 6 AlphaServer IP Power Controllers If the power controllers do not function properly perform the following steps 1 Prior to turning...

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Page 51: ... 62 in including cable trough Height 204 77 cm 80 62 in without cable trough Weight 385 56 kg 850 lbs for fully loaded duplex system Front aisle 76 2 cm 30 0 in minimum clearance Rear aisle 60 96 cm 24 0 in minimum clearance A 2 Electrical Specifications Table A 2 contains the electrical specifications for each IP Platform power controller Table A 2 Electrical Specifications for Each Power Control...

Page 52: ...Conditions Temperature range 10 C to 40 C 50 F to 104 F Barometric pressure 760 mm 29 92 in Hg Relative humidity 20 to 80 noncondensing Minimum dew point 2 C 36 F Maximum altitude 2 438 m 8 000 ft 1 Maximum wet bulb temperature 28 C 82 F Nonoperating Conditions Temperature range 40 C to 66 C 40 F to 151 F Relative humidity 20 to 85 noncondensing Maximum altitude 4 877 m 16 000 ft 1 1 The maximum a...

Page 53: ...ive Maximum switching power 60 W 125 VA Maximum switching voltage 220 Vdc 250 Vac Maximum switching current 2 A DC 2 A AC Maximum carrying current 3 A DC 3 A AC Input Specifications Type Relay coil Rated input voltage 5 Vdc nominal Maximum input 10 Vdc at 50 C Pick up voltage 3 5 Vdc maximum Drop out voltage 0 5 Vdc minimum Coil resistance 125 ohms 10 Output Specifications Contact rating switching...

Page 54: ... top rear half of the cabinet and for larger systems forms a continuous cable trough along the cabinet top rear 120 Vac 250 Vac and 48 Vdc dual feed power models are available for the duplex system Weight is 385 56 kg 850 lbs ______________________________ Note ____________________________ Floor loading is approximately 38 56 kg 85 lbs per square foot according to NEBS weight calculation rules Max...

Page 55: ...expansion chassis the AlphaServer 1000A processors and the alarm indicator panel Figure B 1 Alarm Input Wiring Diagram AlphaServer 1000A 1 2 5 7 ISA 3 4 6 8 9 ML014035 Alarm control module installed in the AlphaServer 1000A system Alarm indicator panel cable 48 Vdc power inverter Alarm sensor module in the ISA bus expansion chassis D sub 25 pin connector D sub 9 pin connector Inverter alarm cable ...

Page 56: ...cting user alarm inputs Figure B 2 Alarm Control Module 8 Pin MJ Connector 1 8 ML014036 Table B 1 provides a pinout listing of the pins on the alarm control module 8 pin MJ connector This table should be used to determine the correct wiring required for user alarm inputs Table B 1 Alarm Control Module 8 Pin MJ Connector Pinout Pin No Signal 1 Inverter Fail or user input 1 Return 2 Inverter Fail or...

Page 57: ...to themselves or other persons A qualified service person need not be a Compaq service representative ______________________________________________________________ ___________________________VORSICHT _________________________ Die Personen die das System installieren sollten die Voraussetzungen des 1993 NEC National Electrical Code zur Installation von Datenverarbeitungsgeräten Artikel 645 645 2 k...

Page 58: ... be a minimum of 6 AWG stranded ____________________________WARNING_________________________ High energy hazard Proper precautions required ______________________________________________________________ ___________________________ VORSICHT ________________________ Hochspannungsgefahr Geeignete Vorsichtsmaßnahmen sind notwendig ______________________________________________________________ C 1 1 2 ...

Page 59: ... Peripheral Platform Hardware Owner s Guide D 1 D AlphaServer IP Platform Duplex System Diagrams D 1 Introduction This appendix contains diagrams of the AlphaServer Intelligent Peripheral IP Platform duplex ac and dc systems ...

Page 60: ... IP Platform Duplex AC System This section contains the front side and rear views of the duplex ac system Figure D 1 IP Platform Duplex AC System Front and Side View Side View ML014018 Front View 2 3 4 5 1 Alarm indicator panels AlphaServer 1000A BA35x Sx modular storage shelf optional H7600 power controller ISA bus expansion chassis ...

Page 61: ...elligent Peripheral Platform Hardware Owner s Guide D 3 Figure D 2 IP Platform Duplex AC System Rear View ML014028 Back View 3 4 2 5 1 Alarm indicator panels AlphaServer 1000A BA35x Sx modular storage shelf optional H7600 power controller ISA bus expansion chassis ...

Page 62: ...ystem This section contains the front side and rear views of the duplex dc system Figure D 3 IP Platform Duplex DC System Front and Side View Side View ML014017 AC POWER AC POWER MX ALARM CARD MX ALARM CARD Front View 2 3 4 5 1 Alarm indicator panels AlphaServer 1000A BA35x Sx modular storage shelf optional 48 Vdc power controller ISA bus expansion chassis ...

Page 63: ...ent Peripheral Platform Hardware Owner s Guide D 5 Figure D 4 IP Platform Duplex DC System Rear View ML014027 Back View 3 4 2 1 _ _ _ _ 5 Alarm indicator panels AlphaServer 1000A BA35x Sx modular storage shelf optional 48 Vdc power controller ISA bus expansion chassis ...

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Page 65: ...Peripheral Platform Hardware Owner s Guide E 1 E AlphaServer IP Platform Simplex System Diagrams E 1 Introduction This appendix contains diagrams of the AlphaServer Intelligent Peripheral IP Platform simplex ac and dc systems ...

Page 66: ...IP Platform Simplex AC System This section contains the front side and rear views of the simplex ac system Figure E 1 IP Platform Simplex AC System Front and Side View Side View ML014022 Front View 2 3 4 5 1 Alarm indicator panel AlphaServer 1000A BA35x Sx modular storage shelf optional H7600 power controller ISA bus expansion chassis ...

Page 67: ...elligent Peripheral Platform Hardware Owner s Guide E 3 Figure E 2 IP Platform Simplex AC System Rear View ML014032 Back View 3 4 2 5 1 Alarm indicator panel AlphaServer 1000A BA35x Sx modular storage shelf optional H7600 power controller ISA bus expansion chassis ...

Page 68: ...Simplex DC System This section contains the front side and rear views of the simplex dc system Figure E 3 IP Platform Simplex DC System Front and Side View Side View ML014021 AC POWER MX ALARM CARD Front View 5 4 3 2 1 Alarm indicator panel AlphaServer 1000A BA35x Sx modular storage shelf optional 48 Vdc power controller ISA bus expansion chassis ...

Page 69: ...gent Peripheral Platform Hardware Owner s Guide E 5 Figure E 4 IP Platform Simplex DC System Rear View ML014031 Back View 3 4 2 _ _ _ _ 5 1 Alarm indicator panel AlphaServer 1000A BA35x Sx modular storage shelf optional 48 Vdc power controller ISA bus expansion chassis ...

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Page 71: ...he Alpha 64 bit computing architecture ARC Advanced RISC Computing ARC is the user interface to the console firmware for operating systems that expect firmware compliance with the Windows NT Portable Boot Loader Specification availability The amount of scheduled time that a computing system provides application service during the year Availability is typically measured as a percentage of up time p...

Page 72: ...preting and executing instructions command line interface One of two interfaces in the AlphaServer operator interface The command line interface supports OpenVMS and Tru64 UNIX operating systems It allows you to configure and boot the operating system console mode The state in which the system and the console terminal operate under the control of the console program console subsystem The subsystem...

Page 73: ...O bus used primarily in high end PCs and servers EISA Configuration Utility ECU A feature of the EISA bus that helps you select a conflict free system configuration and perform other system services The ECU must be run whenever you change add or remove an EISA or ISA controller environment variables The global data structures that can be accessed from console mode The setting of these data structu...

Page 74: ... A collection of computers terminals and other devices together with the hardware and software that enables them to exchange data and share resources over either short or long distances network management station NMS A PC or workstation equipped with an Ethernet FDDI or Token Ring network module and HUBwatch software that enables it to communicate with and manage network modules network modules Mo...

Page 75: ...s product line Any device conforming to shelf mechanical and electrical standards installed in either a 3 inch or 5 inch carrier is considered to be an SBB whether it be a storage device a power supply or other device SCSI Small Computer Systems Interface An ANSI standard interface for connecting disks and other peripheral devices to computer systems Some devices are supported under the SCSI 1 spe...

Page 76: ...es Telnet The TCP IP standard protocol for remote terminal connections Using Telnet a user at one site can connect to a timesharing system at another site as if the user s terminal is connected directly to the remote machine terminal server A module that allows a terminal to connect to a network node ThinWire Ethernet cabling and technology used for local distribution of data communications ThinWi...

Page 77: ...D 2 dc system diagrams D 4 duplex system 1 2 E E 1 120 ohm network connections 2 6 120 ohm pin designations 2 6 75 ohm network connections 2 6 75 ohm pin designations 2 6 EISA Configuration Utility ECU 4 2 Electrical specifications A 1 Environmental specifications A 2 External hardware options 1 11 F Factory installed hardware 2 1 software 1 3 Fault management 1 3 Features alarm subsystem 1 4 corp...

Page 78: ...tus LEDs 3 7 troubleshooting 5 3 N NEBS compatibility A 4 P Physical dimensions A 1 Power controller subsystem dc field wiring C 1 hardware 1 10 overview 1 10 troubleshooting 5 3 R Replacing alarm indicator module 4 5 Replacing alarm indicator panel batteries 3 4 Replacing alarm sensor module 4 3 Replacing AT bus expansion kit 4 4 S Simplex system See IP Platform ac system diagrams E 2 dc system d...

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