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IOP-VH User Manual

1. ENSE Ei 8 TOP CPU VAG Card 9 24 Mise Hardware Details 9 System Overview 12 Bil 12 3 2 TOP 12 3 3 Duplex 14 Monitor and 14 Initialisation S W Loading 16 4 1 AONE Al 16 4 2 Description of Initialisation 16 4 3 IOP Software Initialisation Procedures 17 AA Loading 18 IOP Monitor Detail a 27 Did Wy pes 27 5 8 Terminal 27 pA Function Of Buttons Koyu E 28 5 5 Command Dosor iphon 28 System Packaging 88 6 1 Cabinet Packaging 33 Operation amp Maintenances
2. 48 7 1 43 2 10P initialisation Procedur oii nadine vida asad rtnn KE EENEN 48 Obhut Down Procedure 45 1 4 Accidental Abort Reset 46 7 5 Maintenance Related Problems and Solutions 46 7 6 Procedure for Copying Unix Boot Cartridge 52 H HOME MAX WORD IOPVHUSM DOC February 4 1999 Chapter 1 Introduction 11 GENERAL C DOT IOP is used as front end processor in C DOT DSS MAX It communicates with DSS MAX on high speed data links It contains a fault tolerant software a layer above UNIX V 2 which ensures data consistency between DSS MAX and the IOP Keeping the reliability considerations in view two separate IOPs work in duplex configuration 1 2 FUNCTIONS OF IOP IN DSS MAX IOP basically handles all the input and output functions in DSS MAX the commands from operator are received and analysed by IOP If it requires the help of Administrative Processor AP Base Processor BP to answer AP BP is contacted otherwise the answer is given to the user The major functions performed by C DOT IOP in DSS MAX are listed below in a classified manner a Downloading and Initialisation of DSS MAX The complete software of DSS MAX is kept in IOP as files To initialise the DSS MAX code and data is downloaded from IOP t
3. utility at the unix prompt It will display the usage message with available options In cases user enters less more than required parameters or enters illegal parameters usage message will be displayed by the utility 3 If any other cartridge is accidentally inserted instead of unix boot cartridge or if boot cartridge is corrupted utility generates error message telling cartridge is corrupted C DOT DSS MAX OPERATION amp MAINTENANCE 4 user wants to see the contents of the cartridge without actually copying it completely cp cart with t option should be used If cp cart with t option is used following prints will appear after inserting the unit cartridge Reading Boot Block BOOT CARTRIDGE CONTENTS Number of Bootloaders x number of kernels x Name of the Kernels Number of Minload file systems x Name of minload file systems Number of Root file systems x If the number of root file systems are greater than 1 the names of rfs are displayed Then the following print will appear Display files in Root File Systems y n If the user wants to see the contents of root file systems press y other wise n If the number of rfs are greater than 1 utility will ask for users choice depending on which rfs contents he want to see and display the contents of that particular rfs 5 If DEL KILL key is pressed during cartridge write operation OR
4. 000 00000 5 55 OHA 89 USER MANUAL Ods WNAINN HAdONT XVAAXVAISSCA NDISAC EIOA SNLOT TANVd 1 LANIEGVO HA dOl 25 999919 LINN 000 04 82 dod4 NOILYNILSIG 324005 ON 37872 318 2 Qy 5 5 TANVd 4 Chapter 6 055 40 SYSTEM PACKAGING AJAZ ANAA NN HAGON I XVA XV 5 1530 ONILNOY 31 0 IHA LANIEVS HA dOl 399 404 5 NMOHS IHA JLON 2013 422 D 1 a 00S 4 69S IHA 9dY 3015 5 IHA T 4 10 1 986044 249 4042 dayo 033 lt lt 000 1044 01 82 ASSY 318 2 044 4 1 5 LEM IHA 1000 1034 0 82 033 000 1 4 9 dSN4 324005 27892 AYI
5. 55 USER MANUAL 400 027 2 Practices c DOT C DOT DSS MAX USER MANUAL This Document is updated for UNIX release 10 11 1999 C DOT Printed in India C DOT DSS IOP VH USER MANUAL DRAFT 03 FEBRUARY 1999 MAGHA 2055 SERIES 000 OVERVIEW CSP SECTION 400 027 0662 THIS SYSTEM PRACTICE REFERS TO THE C DOT DIGITAL SWITCHING SYSTEM MAIN AUTOMATIC EXCHANGE ABBREVIATED AS C DOT DSS MAX IN THE REST OF THIS PUBLICATION THE INFORMATION IN THIS SYSTEM PRACTICE IS FOR INFORMATION PURPOSES 15 SUBJ ECT TO CHANGE WITHOUT NOTICE A COMVENT FORM HAS BEEN INCLUDED AT THE END OF THIS PUBLICATION FOR READER S COMMENTS IF THE FORM HAS BEEN USED COMMENTS MAY BE ADDRESSED THE DIRECTOR SYSTEMS CENTRE FOR DEVELOPMENT OF TELEMATICS 39 MAIN PUSA ROAD NEW DELHI 110 005 1999 BY C DOT NEWDELH Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Table of Contents 5 11 General See 5 12 of TOP in DSS MAX 5 1 3 Interconnection of with C DOT 055 6 System Overview Hardware 8 8 2 2 Hardware Architecture
6. 41 USER MANUAL YOd WNANWIN HAdONT XVAAXVAISSC NDISAG ETOA SNLOT ONILNOY 1 5 099 Dla 4444 OLM IHA NSd SIHA SOCIYLYVO EW OHA NSd 5 LON LW OHA NSd LOHA NOILVNILSAG 58 319 9 000 1084 4 80 Chapter 6 055 42 7 1 7 2 Chapter 7 Operation amp Maintenance GENERAL In a running DSS MAX the need to shutdown and boot up IOP module may be felt due to various reasons The need may arise due to faulty behaviour of one of the IOPs or due to link problems between IOPs or between IOP and AP BP It may also be intentional to make changes on only one IOP or for routine maintenance of IOP This chapter tries to bring out the procedure on e How to bring one of the IOPs out of service How to bring an out of service IOP in service e Maintenance related Problems and Solutions IOP INITIALISATION PROCEDURE IOP initialisation consists of two stages first to boot IOP so that it starts running DSS MAX software and second to bring this IOP in service so that the IOP becomes available for exchange operations The procedure li
7. Chapter 4 The following message will be displayed Do you want to continue y or n give and then wait for the following message to be displayed INIT SINGLE USER MODE Unix prompt will also appear 4 4 2 24 Initialisation of IOP to warm Level On unix prompt give init 2 and press key gt init 2 Wait for the following messages to be displayed IOP INITIALISATION STARTS SIGNAL SETTING COMPLETE ENVIRONMENT SETTING COMPLETE SEMAPHORE SETTING COMPLETE SHARED MEMORY INIT COMPLETE HDLC INITIALIZATION COMPLETE THE PROCESS GROUP 8708 SET IOP INITIALIZATION ENDS System in warm start level Multi User Mode Use INIT IOP MMC command to go to INS LEVEL Console login Step 2 Setting of Site id Login into account by giving admn on Console login prompt and press key Give CDOTadmn against password and press RETURN key 5C gt 50 gt prompt will be displayed as per IOP ID Give on iop5C gt 5D gt prompt and press key Wait for prompt sign lt to appear on the screen at the bottom left hand side Give the following command on prompt lt lt set site id lt RETURN gt C DOT DSS MAX 4 4 3 INITIALISATION S W LOADING The parameters will be displayed as shown below SET SITE ID SITE ID REPEAT TERMINATE EXECUTE R T E Against parameter SITE ID give
8. start prn from admn account This utility is available in C DOT rgen cmd utility cartridge If the utility is installed then execute the following command gt start prn Step 3 To change printer port from icc_0 to icc_4 say i move the printer cable from ASIO1 to 4 11 log into lp account IOP VH USER MANUAL 51 Chapter 7 login Password DSSlp gt cd usr lib 5 gt 1 iop5x gt usr lib lpadmin v dev icc_4 gt 0 5 gt enable This will enable the printer at new port 4 Log out of lp account 7 6 PROCEDURE FOR COPYING UNIX BOOT CARTRIDGE 52 This describes the user interface for the cp_cart utility for copying a unix boot cartridge This utility provides a user friendly interface for performing its function The usage for cp_cart utility is as follows cp_cart t TAPE Where TAPE Normal tape device t The option to display the cartridge contents without copying it NOTE This utility is available in the unix cartridge For making copies of unix cartridge this utility has to be copied from the unix cartridge Operating Procedures 3 Before using this utility make sure that you have enough space in your current directory This can be verified using command at the prompt and checking number of free blocks in the current slice 2 To know the usage
9. 20 5 7 1 6 b IOP side Printer 6 pin connector 2 1 8 2 3 3 5 5 1 1 Solution Step 1 The Report stopped coming the printer Check status of the printer using following command 5 gt cat etc passwd gt 0 if printer is connected on ASIO 1 If the output of the file is printed on the printer then printer cable printer port of IOP and printer itself are ok Go to Step 2 In case output is not printed on printer then i printer itself may be faulty check by self test 1 printer cable may be connected the wrong port iii printer 0 ASIO 1 may be faulty IOP VH USER MANUAL 49 Chapter 7 In the of Installation Site printer cable may be faulty The Step 2 50 printer connections should be as given above To isolate the problem shutdown the IOP and bring it to MONITOR PROMPT VHCx x gt Now test the printer using command VHCx x gt print 0 10 4 Different characters will be printed in the response of the above command If it is not so remove the printer cable from and put ASIO LOOPBACK CONNECTOR on the corresponding port Now test the port by executing the command VHCx x gt asio 0 10 1 al It should pass This ensures that there is no fault at IOP end and the only possibility is that Printer Cable or Printer itself may be faulty This can be isolated by replacing the cable first and the
10. VH USER MANUAL 9 55 5 dOl 5 Chapter 2 STVNINYSL 1304 10 0157 8 150 3705 3 ZEZ 54 1505 73078 20 30 27 V lt 2 N 1 SNE 055 10 SYSTEM OVERVIEW HARDWARE IOP VH Peripherals Input Output Processor IOP VH supports standard SCSI 2 interface implemented on VHC card to interface to Winchester Drive Cartridge Tape Drive and Floppy drive 3 However floppy drive is not used in IOP VH Here it may be noted that peripherals with SCSI interface only can be used in IOP VH Front Panel Display The CPU Reset and Abort switches are provided at the front panel These switches can be locked using the lock and key provided adjacent to the switches When the key is in the lock position RESET and ABORT will be inhibited Run and Halt LEDs for the CPU status indication is also extended on the front pannel Continuous flickering of the RUN LED indicates that CPU is running If HALT LED is glowing then CPU is halted Apart from these two LEDs a Reset LED is also provided This is mounted alongwith RESET switch and glows when the CPU is reset by pressing RESET switch on the front panel Power I
11. different IOPs to ensure smooth operation of the exchange even in case of total failure of of the IOPs WARNING Proper shutdown procedure should be followed to avoid corruption of file system Always use INIT IOP 2 1 command Also make the IOP out of service using the command INIT IOP 2 1 The command FRC PUT SWU OOS should be used only when IOP in being synchronised 6 C DOT DSS MAX INTRODUCTION WNIWASL dado 7 9153 9 550 1 0 2 ANIT 9 2 3 USER MANUAL 2 1 2 2 Chapter 2 System Overview Hardware GENERAL The Input Output Processor IOP is a general purpose computer running UNIX and is used as the front end processor in C DOT DSS It handles all the input and output functions in C DOT DSS The IOP is connected to AP BP via HDLC links During normal operation two IOPs interconnected by a HDLC link operate in a duplex configuration Working as front end processor it provides the initial code down load to the subsystems the man machine interface and the data storage for the billing and other administrative information IOP VH HARDWARE ARCHITECTURE The IOP VH is defined as Value engineered High performance IOP excelling the performance of all the existing versions at a cost performance advantag
12. lower level and therefore are not allowed after pressing abort Del Key The del key deletes the single character on left side from the command line BS key The back space key also deletes the single character from the command line It is just to facilitate an unix addict This section lists the commands on IOP monitor prompt VHCx x gt and their usage The usages have been explained with the help of examples wherever necessary COMMAND DESCRIPTIONS 1 2 The monitor can take as numeric variables any legal mathematical expression In case of more than one default parameter if the second parameter is to be specified then so must the first else the MONITOR will assume the second parameter as the first and take the default value for the second In every command the command line can be in either upper or lower case it makes no difference All numeric inputs are interpreted as hexadecimal To specify a decimal value precede the number with ampersand amp and to specify a octal value precede a letter o to the value To execute a command it is enough to key in the smallest number of characters that will unambiguously specify it For e g to run the printer test the letter p is sufficient apart from the necessary parameters of course C DOT DSS MAX MONITOR DETAILS 6 Devices can be specified in the following manner w0 Winchester Cartridge Drive All the monitor commands are not exp
13. number of times the test is to be repeated Specification of first parameter is essential IOP VH USER MANUAL 29 Chapter 5 5 5 2 3 5 5 2 4 5 5 2 5 30 HDLC Test SYNTAX USAGE Printer Test SYNTAX USAGE Msg Test SYNTAX USAGE hdle lt chnl gt lt iter gt 1 internal gt This test requires a loopback connector The tests performed include loop back test underrun test overrun test and frame abort test Error counts are indicated on the screen The number of iterations should also be specified The mode specifies the mode in which the test is to be performed internal mode 1 Default value for mode is polled It is advisable to perform this test in interrupt mode Specification of the first two parameters is necessary print lt chnl gt lt iter gt lt mode 0 polled 1 interrupt gt This command validates the specified printer port by outputting a sliding pattern to it The pattern can be visually inspected The channel can be one of the ASIO modem channels Iteration count also needs to be specified Both parameters need to be input VHC msg lt chnl 1 gt lt chnl 2 gt lt iter gt lt mode 0 polled 1 interrupt gt The HDLC message test has been provided to test the communication between any two HDLC links The two links have to be connected by an HDLC cable A message pattern is transmitted from link 1 and received by link 2 The same me
14. terminals in future It will also aid in the implementation of graphics support in future SCSI 2 controller with integrated DMA and SCSI cores is used for interfacing the disk drive cartridge tape drive and the floppy drive The VH IOP functions are implemented on a single VHC card Note Presently the two ports namely X 25 and ethernet ports are not supported 2 3 CPU VHC CARD The IOP CPU uses 68040 25 processor and is housed on the VHC card It has 16 MB expandable to 32 MB DRAM onboard and 512 KB EPROM All active IOP processes reside in the dynamic RAM and hence the data coming from going to HDLC links secondary storage devices and terminals use the dynamic RAM 2 4 MISC HARDWARE DETAILS In addition to above CPU card two more assembled PCBs are used to support additional functions which are listed below i FFD Card This card is used to generate fan failure signal which is extended to OMA through FBI logic Whenever the fan is stopped alarm is extended to OMA to draw the attention of maintenance staff 11 VH IOP Interface This card is used to terminate 3 Eight 9 D type connectors for ASIO which will support modem 2 Seven 25 D type connectors for HDLC 3 One 25 pin D type connector for X 25 over RS 232 interface 4 15 D type connector for Ethernet 5 BNC connector for cheapernet These not supported presently IOP
15. the monitor commands and their usage The firmware stored in EPROMs provides a self contained programming and operating environment The monitor interacts with the user through predefined commands that are entered via keyboard of the CONSOLE Terminal connected at the console port TYPES OF COMMANDS The monitor supports the following classes of commands Commands for onboard devices Memory diagnostic tests e Diagnostic commands for ACIA HDLC devices e Diagnostic commands for SCSI devices The following procedures help the user to power up the system and to start the session TERMINAL CONFIGURATION The monitor expects terminal to have following settings e Eight bits per character One stop bit e No parity 9600 baudrate IOP VH USER MANUAL 27 Chapter 5 5 4 5 4 1 5 4 2 5 4 3 5 4 4 5 5 28 FUNCTION OF BUTTONS KEYS Reset When this button is pushed hardware resets all the logic circuits controllers and jumps to reset vector but does not initialize the memory the monitor distinguishes between power on and reset with the help of a software flag Abort This pushbutton switch is used to enter the monitor without resetting the logic circuitry This switch can be used to interrupt an executing program and enter the monitor After an abort user can issue the command to restart the execution The abort gives level 7 interrupt Some of the commands require interrupts at a
16. 1 1 2 2 1 1 ROOT File System Present Create file systems other than root y n 7 WARNING If the exchange software data is already available and only UNIX is being loaded then give option n At the time of fresh installation where the entire exchange software has to be loaded option is to be used for complete loading of software link If y is given the system would keep indicating the file systems that it is creating Wait till the system displays Specify the date and time in the specified format and proceed C DOT DSS MAX INITIALISATION S W LOADING When booting is complete Console login prompt will appear on the console If the n option has been selected subsequent steps 2 3 and 4 need not be executed Step 2 Loading of Base Cartridge To do this login into root account The password for the root just after the UNIX cartridge installation is DSSroot After successful login UNIX version will be displayed And you will get gt prompt Insert the exchange software base cartridge into the cartridge drive and type the commands usr cdot lt RETURN gt RESBC lt RETURN gt The following message will be displayed CARTRIDGE RESTORATION UTILITY FOR BASE CARTRIDGE Starting Have you inserted cartridge y n Give to load the base cartridge to winchester else give abort the operation It will start loading from cartridge on
17. IX which provides the man machine interface Maintenance Software Used for initialising communication protocol with DSS MAX It also provides software for synchronisation of IOPs C DOT DSS MAX SYSTEM OVERVIEW SOFTWARE X Communication Software lt re io 1 NS Subsystem FIG 2 1 wae Environment O lt 5 1 1 Maintenance A a Administration Subsystem Command Interpreter 4 SOFTWARE ARCHITECTURE BASED ON UNIX MODEL IOP VH USER MANUAL 13 Chapter 3 3 3 8 4 14 Communication Software Used for providing Connectivity to DSS MAX and Telecom Management Centre TMC The functions of IOP software subsystem in DSS MAX are downloading and initialisation performance measurement of the processes provision of man machine interface and billing traffic and maintenance reports etc DUPLEX OPERATION As mentioned earlier cards in IOP are not duplicated but IOP as a module is duplicated In a duplex IOP configuration Fig 3 2 one of the IOPs will be in INS ACT in service active state and the other will be INS SBY in service standby state Though both IOPs in a duplex configuration are physically connected to both the APs BPs through HDLC links only INS ACT IOP will be able to communicate to IN
18. OP has come to warm start level execute INIT IOP 1 1 to go to cold start level with prompt INIT SINGLE USER MODE Either switch OFF IOP power supply OR Login in root and give init 2 to go to Warm Start Level Note If the IOP is in Displ Upd All i e IOP is INS ACT with AP BP comm No it should be brought to warm start level before going for cold start level 7 4 ACCIDENTAL ABORT RESET If the ABORT switch is pressed accidentally When the switch is not inhibited with the key of course the monitor prompt will appear at the console Type go followed by a return at the console before doing anything and system will start off again If the RESET is pressed then the system will have to be booted up again followed by the synchronization procedure to bring the IOPs in duplex 7 5 MAINTENANCE RELATED PROBLEMS AND SOLUTIONS To ensure smooth operation of the IOPs and the Exchange some of the routine maintenance problems along with their solutions are explained It is expected from the maintenance personnel to refer the specific section for the particular section and strictly follow the same sequence listed as possible solution of the problem Some of the problems are listed below 1 CRP fails to run on the IOP 2 CRP is running but CRP command fails to execute on the IOP OOD Report related problems 4 Printer related problems PROBLEM 1 CRP fails to run on the IOP In this case the error message is to be not
19. P LED to indicate the presence of I P power is also provided on the front panel IOP VH 1 Cable connections for printer cable a IOP side Printer 25 pin D type connector 2 2 8 3 8 20 5 7 1 6 IOP side Printer 6 pin connector _____ 8 2 8 8 5 5 1 USER MANUAL 11 8 1 8 2 12 Chapter 3 System Overview Software GENERAL C DOT IOP runs on the UNIX V 2 operating system UNIX provides multi user environment for DSS MAX application software One part of this application software Viz the processes and orp implements the Man Machine Interface which makes the exchange operator transparent to the operating system For detailed description of and commands refer to the documents Administration Command and Maintenance Commands Only the exchange administrator who is incharge of maintenance of the exchange and IOPs has to interact with UNIX and every effort is made to reduce even this to a minimum Since the IOP needs certain standard procedure to be followed for boot up shut down or bringing in duplex some amount of operator interaction with UNIX will be necessary STRUCTURE OF IOP SOFTWARE IOP software is structured as a layer above UNIX and is composed of the following Ref Fig 3 1 a Command Interpretation Layer A topmost layer like shell to take operator commands validate them and execute them b Administration Software A layer above UN
20. S ACT AP BP But all updations which are occurring on the INS ACT IOP will be performed on the INS SBY IOP also This is done by the INS ACT IOP through the IOP to IOP HDLC link The operator commands which are initiated from the INS SBY IOP get routed through the INS ACT IOP to AP BP if the command requires communication with AP BP IOP MONITOR AND DIAGNOSTICS On power on a prompt VHC will be displayed on the console VDU where 18 the monitor program version number The IOP cannot be accessed from terminals other than the console at this time This program resides in the monitor PROMs on the IOP CPU card Many diagnostic commands are available at this level for testing the various devices These commands are described in Chapter 5 of this manual C DOT DSS MAX SYSTEM OVERVIEW SOFTWARE INS SBY INS ACT 0 1 1 INS ACT INS SBY COMMUNICATION PATH FROM STANDBY IOP TO ACTIVE COMMUNICATION PATH FROM ACTIVE IOP TO FIG 3 2 DUPLEX IOP CONFIGURATION DESIGN DSSMAX MAX L IOPVH UM IVUM ACT IOP VH USER MANUAL 15 4 1 4 2 4 2 1 4 2 2 4 2 3 16 Chapter 4 Initialisation S W Loading GENERAL IOP can operate at various levels of initialisation These are called the different levels Activities which IOP can perform are limited to the current IOP initialisation level The IOP r
21. VH REAR VIEW DESIGN DSSMAX MAX L IOPVH UM IVUM RV IOP VH USER MANUAL 35 Chapter 6 55 5 ASSY LINN 55 WALSAS HA dOl eo 28 ONILLAS CI ISOS 394919139 0148 1145 2195 6 104 LON 11 1 2 LOb EZONSSHO SOW 9 155 HO 8 OLS 00VOVGd1 doV lt gt 000 10000065 5 5 ISOS 055 86 SYSTEM PACKAGING AAA WNAWN HAdONTXVA XVNSSC NDISAC ASSV 44 OHA LANIEGVS HA dOl v9 Sls 1 860 4 5 10 720 156 5 01 XW 155 405 e 2 00S O 8SEOHA OdV 5 0 OHA 319 13557 gt Re 4 1 wen 2 0 6007 1 0 EN 1431 107 1607 5 10 dY LNN 37 IOP VH USER MANUAL Chapter 6 Vdd WNANWN HAdONT XVAAXVNSSA NDISAC EIOA SNLOT 13 LOv FZONSSHO SOW IXEN 155 498 07 lt 00755 2 EW 155
22. XXX Rewinding the Cartridge As soon as the boot cartridge is copied in the current directory the following print will appear Insert the blank Cartridge Press RETURN to Continue Now take out the old cartridge from the drive and insert the new cartridge on which copy is to be made Remove the write protect before inserting the cartridge The newly inserted cartridge is rewound and the copied disk files are now copied on to this cartridge After the copying is over following print will be displayed C DOT DSS MAX OPERATION amp MAINTENANCE Copy another Cartridge y n Press to make another and the utility displays Insert the blank cartridge Press RETURN to Continue Insert new cartridge to be copied and the utility proceeds as described above If w is entered following print will appear Wait Removing files The utility removes all the files copied on to the disk before exiting It takes some time to remove all the files so please wait Do not interrupt the file removing operation The unix shell prompt will appear after some time IOP VH USER MANUAL 55 Syst 5 iz Practices The following comments pertain to Document Name 111 112 1 OUL OO OOO No Month Year COMMENTS Use a separate sheet if required Please mail your comments to Your Reference Centre for Development of Telematics Name Attn Mr Y K Pande
23. YSHSVM LOv ZOWSSHO SON 155 8085 0 lt 00255 2 LSS 1 5 10 1004 94 928 LOv ZLOZSHdN LOW ASSY 14 55 WALSAS HA dOl 69 Dla 00S 4 6SS HA Od 0492 IHA 18 355 000 000000 5 5 NSd 01 LSNI 07 200255 0 00 553 LSS LAN EW LSS 1 YSAHSVM C DOT DSS MAX 38 SYSTEM PACKAGING OAG WNAIWN HAdON 1H XVA XVNSSC NSISSC ONILNOY 31 0 IHA 5 LANIGVO HA dOl 99 Ola N 5 3 IHA 2 1 000 200 0 82 9 IHA 4 2 9 000 10 IHA 9 000 205 0 82 IHA 5 OOO LOSVHdOI 8OV IHA dasn LON 000 10 3 0 82 Z IHA 035 LON 000 10 82 1 IHA e Javi 000 005 01 0 ISOS YIAYYN 530 124005 4s 0LS O0VOVddl doV
24. but no updations from operator and subscriber initiated features will be allowed 4 2 5 Disable Update Operator The INIT IOP command can be used to bring IOP to this level This level is between Inservice and Disable Update levels At this stage AP BP communication with IOP is through and all other updations other than operator initiated updations are possible IOP might come to this level automatically from inservice level if overload 1 if the CPU Idle time falls below threshold occurs In such cases IOP will return automatically to inservice level when overload condition is restored to normal 4 2 6 INS ACT INS SBY Inservice active standby This run level is reached through init iop command At this stage all commands and updations are allowed and AP BP communication is also through 4 3 IOP SOFTWARE INITIALISATION PROCEDURES This section describes the software initialisation procedure for the IOP i e the copying of exchange software on to IOP disks and initialising IOP Before starting the installation procedure make sure that you have the following deliverables 4 3 1 UNIX Cartridge This cartridge contains the boot block UNIX kernel standard UNIX utilities and protocol software This cartridge performs functionality of both minload and UNIX cartridge Hence minload floppy is no longer required with this UNIX cartridge 4 3 2 Base Link Cartridge This cart
25. cified and or ready If no floppy cartridge is present and this command is given for the respective SCSI device a message saying Drive not ready FLOP CART will be printed No defaults assumed 81 Chapter 5 5 5 8 4 5 5 8 5 82 Inquiry SYNTAX USAGE Read Capacity SYNTAX USAGE lt device gt Inquiry command gives the detail of the SCSI device connected The bits of first 8 bytes have specific information whose details will be available in the respective device manual The remaining bytes shows the model number and the name of the manufacturer VHC x x gt cap lt device gt Read capacity command gives the maximum number of blocks that can be accessed through the SCSI disk and the size of each block with total capacity in MB C DOT DSS MAX Chapter 6 System Packaging The IOP VH is ergonomically packed in a PC type tower cabinet with access from front and back of the cabinet Internal cabling connectorisation has also been made easily accessable for smooth operation and maintenance of the IOP 6 1 CABINET PACKAGING One IOP VH cabinet has been designed to stack two peripherals Cartridge drive and winchester disk drive one power supply module and three assembled cards The Front view and Rear view of IOP VH are shown in figures 6 1 and 6 2 To properly hold the winchester drive adapter has been used First the HDD drive is assembled in its adapter individually an
26. d by the switch will be copied from the cartridge onto disk at proper places Look for the number of blocks displayed after loading of patch cartridge is complete Audit utility will also start automatically Wait for audit to be over Remove the patch cartridge 22 C DOT DSS MAX INITIALISATION S W LOADING Step 4 Loading of Bare Minimum Data Cartridge Insert the data cartridge into the cartridge drive Give the commands code audit lt RETURN gt RESDC lt RETURN gt The following message will be displayed CARTRIDGE RESTORATION UTILITY FOR DATA CARTRIDGE Starting Have you inserted cartridge y n Give y if you want to load the data cartridge to winchester else give to comeout The minimum office data files are loaded from the cartridge onto disk at proper place Check for the number of blocks displayed at the completion of data loading Then audit utility will start automatically Check for extra files files changed and files missing Against these parameters the value should be At the end of the audit define the choice of Announcement Language matching with the PROMs used on the ANNC Card Now UNIX prompt will be displayed Remove the data cartridge Step 5 Shutdown of IOP On unix prompt give following command and press RETURN key only giving each command completely gt lt RETURN gt gt shutdown 0 lt RETURN gt IOP VH USER MANUAL 23
27. d there after the assembled module is stacked in the IOP tower type cabinet along with cartridge drive fig 6 3 These peripherals are mounted from the front The two assembled cards are mounted vertically on the vertical plate called PCB Support Assy fig 6 4 The assembled power supply module is mounted from the back alongwith cooling fan fig 6 5 Mounting assembly of distribution panel is also explained in the same figure Interconnection of different modules peripherals and power distribution cables are explained in figures 6 6A 6 6B 6 6C 6 6D IOP VH USER MANUAL 33 Chapter 6 Ei RUNG HALT gt Cy Cy VH ABORT LOCK FIG 6 1 IOP VH FRONT VIEW DESIGN DSSMAX MAX L IOPVH UM IVUM FV 34 C DOT DSS MAX SYSTEM PACKAGING 9 9 L CONSOLE ASIO 4 1 HDLC 1 g J HDLC 2 AP BP 1 f HDLC 4 HDLC 6 J X 21 BIS IOP ERR FIG 6 2 IOP
28. e It is designed on a single card named VHC Figure 2 1 depicts the simplex IOP VH architecture IOP does not follow the standard duplication strategy of the rest of DSS The IOP card is not duplicated but the IOP as a module is duplicated The system has provision for 7 HDLC channels Two of these are used to connect the IOP to both the copies of AP BP The third link is for connection with mate IOP when the two are working in synchronisation in duplex IOP configuration The rest four links will be used toward the four CMS in future Eight channels of RS 232C Serial Links through ASIO ports are also implemented for connecting operator terminals and printer to the IOP in addition to two ports for console and host The monitor based maintenance operations could be performed only from the console It is possible to login to root account from console only and hence operations like system boot up software link loading etc could be performed only from the console The provision for one x 25 port is also there which can be used for 64kbps full duplex link via modem for communication with Telecom Management Network with synchronous RS232 support at physical level influence In addition another provision for one 10 Mbps Ethernet port is also there in the IOP VH which has AUI or co axial interface support at physical level which can be used in future C DOT DSS MAX SYSTEM OVERVIEW HARDWARE The ETHERNET port is aimed to allow networking of
29. ed and then select one of the possible solutions which will depend on the error message 46 C DOT DSS MAX 5 1 Solution 5 2 Solution CASE 3 Solution 2 1 Solution OPERATION amp MAINTENANCE When CRP fails to run with error ERROR CASE RMID 5 ipcrm 9805 When fails to run with error not found If fails to run 0 with above error message but runs successfully on IOP 1 then CRP file is to be copied from IOP 1 to IOP 0 gt Insert a blank cartridge in 1 Cartridge should not be write protected IOP5D gt cd CURREL J 5 crp cpio ocvu gt TAPE Remove the cartridge from IOP 1 and insert it IOP 0 The CRP file has been copied on the cartridge from IOP 1 Now copy the same file from cartridge to 0 On 1 0 IOP5C gt cd CURREL IOP5C gt cpio lt TAPE Now remove the cartridge from the cartridge drive and run CRP on 0 In exceptional case may fail to run on with error message Error in shared memory i IOP has to be shutdown and booted up again and if the problem exists go to next step ii 1 Complete S W deliverables 1 UNIX BASE PATCH amp DATA has to be loaded as per standard S W loading procedure OOD related problems aood main process is recreating again amp aga
30. if blank cartridge inserted with write protection the current copy operation is aborted and cartridge is rewound The utility then asks user choice for continuing copy operation on some other cartridge OR exiting from the utility 6 If DEL KILL key is pressed during cartridge read operation the cartridge is rewound and all the copied files are removed from the disk The utility exits gracefully 7 When utility is invoked with valid command line parameters following message will be displayed UTILITY FOR COPYING UNIX BOOT CARTRIDGE Using non rewinding tape device XXX platform XXX Insert the cartridge to be copied Press RETURN to continue 8 Now insert the cartridge to be copied into the cartridge drive and press RETURN key when ready IOP VH USER MANUAL 53 Chapter 7 54 10 11 12 18 14 The cartridge will be rewound first The LED of cartridge drive will glow during rewinding operation Rewinding of cartridge takes time so please wait Do not press DEL or any other key to abort The utility first copies the boot cartridge content on to the disk in the current directory The following prints will be displayed as copying of cartridge will proceed Reading Boot Block No of krnls X No of mfs X No of rfs X Reading Boot Loaders Reading Kernel files XXX XXX Reading mfs files XXX Reading Root File Systems Reading rfs rfsXX XX mkdir rfsXX XX cd rfsXX XX cpio icvduB lt XXX XXX
31. in on the CONSOLE of one IOP with error message Recreating code iopete aood_main 2 0 0 0 aood_main file is to be copied in this say IOP 1 as per the procedure given below IOP VH USER MANUAL 47 Chapter 7 2 Solution 48 Insert an blank cartridge drive of IOP5C Cartridge should not be write protected 5 IOP5C gt 1s aood_main cpio ocvu gt TAPE Remove the cartridge from IOP5C drive and insert IOP5D drive Now do the following in IOP5D iop5d gt cd iop5d gt cpio icvu lt TAPE Remove cartridge from the IOP 1 drive Alarms do not appear immediately after the unit fails In this case aood main process has to be recreated as per the following procedure On active iop enter iop5x gt prompt ps ef grep aood following msg will be displayed root Se SORRY aood_mai Note down this number next to root 5 gt kill 9 xx Process aood main will be recreated in response to the above command Go to CRP prompt Current alarms will start coming immediately Go to CRP and resume normal operations C DOT DSS MAX amp 3 Printer Related Problems The cable connection between IOP and printer should be any of those given below IOP VH 1 Cable connections for printer cable a IOP side Printer 25 pin D type connector 2 2 3 3 8
32. isplays the system type and the device configuration on which the root file system is to be made Wait for the display message Want to format the winch s y or n W WARNING In case of IOP VH only n option should be used as formatting of disk is not required Now wait for following message winch capacity 2063MB Load the object y n IOP VH USER MANUAL 19 Chapter 4 20 The S W loading operation will be aborted if n is typed If is typed the system will display different messages showing the current activity Making ROOT file syste m over Transfering boot loader to root device Loading the object Single root file system found positioning the cartridge Now the system will start copying from the UNIX cartridge After the copy is over an audit is conducted Immediately after audit a file system check will be performed automatically After this the system will prompt with Root File System Loading Complete Hit Reset and Reboot from Winchester Reset the system and boot up the IOP by giving bo command VHCx y gt bo The following queries are displayed only for the first time when the IOP is booted after unix loading Release 1 35 1 73 1413141404 1 5 1 1 1 5 1 2 2 1 1 1 15 13 or 15 2 Select 15 for software release 2 1 1 1 Load IOP SYSTEM unix 1 1 96 01 30 System cdix vh with 2063MB Loading release 1 5 1 1 1 5 1 2 2 1
33. lained Only day to day maintenance related commands are listed explained 5 5 1 Commands for Onboard Devices 5 5 1 1 March Test SYNTAX VHC x x gt march lt iter gt lt addr gt lt count gt USAGE This test can be used to detect address line shorting It fills the specified memory area with 0 s and then 1 location is changed to ff The memory is read back and ensured that the contents of no other location have changed This process is repeated with each address failing in the test area count number of times The address range from 01020000 to 1 5 5 2 DIAGNOSTICS COMMANDS FOR ACIA HDLC 5 5 2 1 Asio Test 1 SYNTAX asio lt chnl gt lt iter gt 1 interval gt USAGE This test requires a loopback connector Tx and Rx shorted on the specified channel The command performs a link stability test and over run test on the specified link Cumulative error counts and timeouts are indicated on the screen The test is performed lt iter gt number of times The mode specifies whether the tests are to be performed in the external mode or internal mode Default value for mode is polled It is advisable to perform this test in interrupt mode Specification of both parameters is essential 5 5 2 2 VDU Test SYNTAX vdu lt chnl gt lt iter gt USAGE The VDU test dumps character patterns onto the terminal connected to the specified ASIO port lt iter gt specifies the
34. lt PUT SWU INS IOP 1 Synchronisation of IOPs begins message will appear on VDU of the active 0 After around 20 30 minutes the IOPs will come in duplex If the synchronization fails try again following the same steps given above After synchronisation one IOP will become INS ACT and the other INS SBY and all the file updations and changes taken place in active IOP will be updated in the IOP which was OOS SYS earlier and has become INS SBY now 7 3 SHUT DOWN PROCEDURE A proper procedure should be followed to shut down the IOP A Power off can cause lot of problems say the file system may get irreparably damaged IOP shutdown can be done in two ways 7 3 1 When the IOP is freshly loaded with complete software or CRP is not working then use the following procedure to shutdown the IOP Login into root The password is DSSroot and give the following command shutdown 0 The operator will be asked to confirm whether to continue with shutdown or not Answer the questions properly till you come to the prompt INIT SINGLE USER MODE IOP VH USER MANUAL 45 Chapter 7 Wait for the LED the winchester to stop glowing and then press reset Now IOP can be switched off 7 3 2 When the IOP is in CRP level shutdown should be done in the following sequence using INIT IOP command INS LEVEL gt WARM START gt COLD START gt POWER OFF Bring IOP to warm start from INS LEVEL with INIT IOP 2 1 When I
35. n Printer one by one However if the ACIA loopback test fails the printer can be connected to any other port Check status of printer scheduler by giving following command IOP5x gt lpstat t The response should be i Scheduler is running ii All printers Pr2 Pr4 are enabled and accepting requests iii No printer request is pending in the queue for 1 If every thing is OK then go to step 3 proceed as listed below 1 is not running then login into the account login Password DSSlp gt usr lib 5 gt Ipsched This will start printer scheduler log out of lp account by giving gt exit C DOT DSS MAX OPERATION amp MAINTENANCE Now go to admn account 2 If printer is not accepting request then log into account login lp Password DSSlp usr lib accept Now log out of lp account 3 If scheduler is running amp printer is accepting request but printer is disabled then do following login Password DSSlp iop5x gt enable prn1 1 5 gt exit 4 If lot of request are pending the queue then in root account do following gt cd usr lib gt Ipctl 1 gt 0 This will reinitialise the printer queues properly and recreate the printer processes properly Note Steps 1 4 can be achieved by running utility
36. o the Switch b Man machine Interface The man machine interface on IOP performs the function of user interface with the DSS MAX There are two major categories of commands Administration commands Maintenance commands Handling of Billing and Traffic Data The basic UNIX V 2 file management system is used to store this information d Printing of Maintenance and Traffic Reports IOP VH USER MANUAL 5 Chapter 1 f Exchange Management Functions IOP provides information related to exchange configuration and also helps in dynamic reconfiguration 1 3 INTERCONNECTION OF IOP WITH C DOT DSS Figure 1 1 depicts the interconnection of IOP with the DSS MAX The Input Output Processor Module IOM consists of two similar racks called 0 and IOP 1 Each rack houses assembled cards and the peripheral devices viz Hard Disk Floppy Drive and Cartridge Tape Drive The IOP communicates with the Switch through HDLC link The two IOPs communicate with each other through another HDLC link When both the IOPs are working one acts as the master and other as the slave All the messages of the slave IOP to AP BP are routed through the master However backup devices like winchester are updated in both the i e whenever updation is performed on its winchester the master will send a message to the slave IOP to perform a similar updation on winchester of slave IOP This helps in maintaing two copies of back ups in two
37. ridge For IOP VH make sure that card is inside IOP cabinet Power ON the IOP by switching on from the back panel On the console following is displayed when the IOP VH is powered ON C DOT DSS MAX INITIALISATION S W LOADING ACIA Rx Test Ttype character a Type the character a here On typing a following printers will be displayed Abort flag status cleared Reset was due to Power On Version ID 0 HEALTH TEST COMPLETE PLEASE CHECK RUN LED Press any key to continue Now press the return key On pressing Return key following message will be displayed Power On Configuration PRESENT ABSENT VHC 2 1 1 4 IMP5 SCSI SCSI On board Memory Size 1000000H to 1FFFFFFH DEVICE NCRNO ID DEF __ MODEL CART 0 2 DBERG 3600 08 WINCH 0 6 WO QUANTUM MAVERICK 5405 0905 VHC CDOT 68040 VERSION FEB YY VHC x y gt represents the type of IOP and monitor version running on the IOP Insert the UNIX cartridge in the cartridge drive and input the following command on monitor prompt x y gt bo System starts loading of files with various prints appearing on the screen Wait for the message For IOP ML IOP VE or IOP TMC or IOP VH m v e t h Now input your choice as h for IOP VH and wait for the message for other IOPs give corresponding options The system then d
38. ridge contains different software modules which are down loaded to switch units at the time of system initialisation This is the base link over which patches if any are installed IOP VH USER MANUAL 17 Chapter 4 4 3 3 4 3 4 Combined Patch Link Cartridge CPC This cartridge contains different patches for AP BP SSC and IOP The patches of this cartridge gets installed and patched to different S W modules automatically Bare Minimum Data Cartridge BMDC This cartridge contains bare minimum data required to initialise the exchange The site specific exchange data is created after loading of BMDC 4 4 LOADING PROCEDURE Software installation should be done carefully following the steps listed below All cartridges in the deliverables provided are write protected Do not remove write protection unless mentioned explicitly in the procedure Read through the procedure completely and ensure that you have understood the procedure thoroughly before attempting software initialisation 4 4 1 18 Software Loading Procedure The software can be installed by following the steps given below The job can be aborted at any time by hitting DEL key on the IOP console All the cartridges are write protected DO NOT REMOVE WRITE PROTECTION unless mentioned explicitly in the procedure Read through the entire procedure to make sure that you understand the procedure completely before entering any command Step 1 Loading of UNIX Cart
39. ssage is then transmitted by link 2 and received back by link 1 The contents of the received message are verified with the transmitted one Any mismatch in the message pattern is reported as an error If the message does not get back to link 1 within a specified time a timeout is reported This test also has the interrupt or polled mode option Mode specifies whether the msg is to be send in polled mode 0 or in interrupt mode 1 Default setting is for polled mode C DOT DSS MAX IOP MONITOR DETAILS Specification of the first three parameters is necessary For channel nos see the table given below HDLC on IOP rear panel Corresponding Channel HDLCO0 1 HDLC1 3 HDLC2 0 HDLC3 2 HDLC4 4 HDLC5 5 HDLC6 6 5 5 3 DIAGNOSTIC COMMANDS FOR SCSI DEVICES 5 5 3 1 Format Drive SYNTAX VHC x x gt fd lt device gt lt interleave factor gt USAGE 5 5 3 2 SCSI Bus Reset SYNTAX USAGE 758 Test Drive Unit SYNTAX USAGE IOP VH USER MANUAL This command causes the specified device to be formatted The pattern for SCSI devices depends on the model and the make of the device An interleave factor of 0 is taken as one The default value for the interleave factor is 0 VHC The command causes the SCSI bus to be reset All devices are initialized by assigning the relevant parameters as part of this command The command takes no parameters VHC x x gt tdu lt dev gt The command selects the device spe
40. sted in chapter 4 point no 4 4 1 may be reffered assumes that the DSS MAX software is installed on IOP and becomes operational whenever the IOP is booted WARNING Proper shutdown procedure should be followed to avoid corruption of file system Always use INIT IOP 2 1 command Also make the IOP out of service using the command INIT IOP 2 1 The command FRC PUT SWU OOS should be used only when IOP in being synchronised IOP VH USER MANUAL 43 Chapter 7 7 2 1 44 VHC MONITOR C DOT M68040 version x x month xx where xx year xx monitor prompt version VHC x x gt bo In case any error is found in the file system the system will correct the inconsistency and display Press the reset button and repeat the above procedure Now the system will prompt to enter date as below after sometime Give date Format MMDDHHmmYYYY e g 102020301989 Oct 20 1989 8 30 Date where MM stands for a two digit value for Month Jan 01 Feb 02 etc DD for a two digit value of the date HH for the two digit value of time 01 1 A M 14 2 P M etc mm for a two digit value for minutes and YYYY for a four digit value for the year If the date keyed in is not correct the system will reject it with a message date bad conversion If the date is correct then the operator will be asked to confirm it Once the operator confirms the date UNIX gets loaded and initialisation starts A file sy
41. stem check is automatically initiated After the system has completed initialisation the Console login prompt will be displayed on the console and the 1 will be displayed on other configured terminals Initializing the first IOP The procedure to bring up the first IOP and to initialize the switch with it is described here At login prompt login to account The password is CDOTadmn After successful login IOP5C gt prompt is displayed for the IOP 0 and IOP5D gt for the IOP 1 It is assumed that the HDLC links from the IOP to both APs BPs are properly connected Now run from here CRP is Command Recognition Process through which all Man Machine Commands are executed IOP5c gt crp C DOT DSS MAX OPERATION amp MAINTENANCE At the crp prompt give the command INIT IOP 5 1 Now all the required processes will be initialized and the AP BP to IOP link will be established Code and data required for exchange initialization is down loaded from IOP to different modules of the exchange 7 2 2 IOP Synchronisation Procedure It is assumed that one IOP is in INS ACT state and Inservice level 1 6 with AP BP communication as Yes and the other IOP is in OOS SYS state and Warm start level This OOS SYS IOP is to be brought in service to bring the IOPs in duplex Issue the following commands from Active IOP Assume 0 is Active and IOP 1 is OOS SYS lt PUT SWU OOS IOM IOP 1
42. the site identification name and then press key REPEAT TERMINATE EXECUTE R T E will be displayed by the system Press to execute the command and wait for response to come Old site id and new site id will be displayed in the response Press control D keys to come out from crp iop5C gt or iop5D gt prompt will be displayed Give again crp and press RETURN key Now prompt lt will come and new site id will be displayed on the top of the screen Step 3 Bringing the IOP to Inservice Level Give command lt init iop iop lvl INS LEVEL init mod FORCED Execute the command by pressing key file loading messages will come on the console Now the exchange software is loading to the system from IOP disk IOP initialization report IOP will go to INS ACT state if it is the first IOP being booted Initialisation of the Exchange Power up the AP module and all Base modules The system initialization for all modules will start automatically System software loading will start and the sequence of actions can be seen on console Step 1 Assign New Passwords for Super user Admin amp Admin Accounts IOP VH USER MANUAL 25 Chapter 4 26 Accounts and are highly privileged accounts which have permission to exercise any of the MMC commands The first thing that should be done is to change the password for these accounts lt set pwd command to attach ne
43. to disk Note down the block size and check with the blocks written on the base cartridge After complete restoration of files the system will ask for the IOP ID Give IOP ID 0 1 Give proper id of IOP It is 0 for IOP with unit id 5C gt for IOP 5D gt The system will audit the files on the disk by comparing it against a master list and will display results followed by logging out message IOP VH USER MANUAL 21 Chapter 4 After completion of successful audit system will report the audit results Audit Over Logging out Console login If the audit gives some error it concludes that the software installation is not successful It has to be installed again Step 3 Loading of Patch Cartridge This procedure is to load the AP BP IOP patches from the patch link cartridge to the winchester disk do this login into root account Password for root account after software installation is DSSroot Insert the exchange software patch cartridge into the cartridge drive Give the command code audit lt RETURN gt killall lt RETURN gt it should be given when only patch cartridge is to be loaded RESPC lt RETURN gt The following message will be displayed CARTRIDGE RESTORATION UTILITY FOR PATCH CARTRIDGE Starting Have you inserted cartridge y n Give for loading the patches to winchester or give n to comeout All the patches require
44. un level should not be confused with the IOP status they are different The following run levels are possible Power Off Cold Start Warm Start DIS UPD ALL Disable Update DIS UPD OPR Disable Update Operator INS ACT or INS SBY Inservice active or Inservice standby DESCRIPTION OF INITIALISATION LEVELS A brief description of the different run levels are given below Power Off When the power to IOP is off IOP is in Power Off level Cold Start On Power on the IOP it comes to Cold Start level and displays the monitor prompt VHC x x gt on the console At this level operator can choose to work with the monitor say running diagnostics etc or go to the next level i e Warm Start Warm Start This level is reached when IOP is booted up IOP booting up procedure is described later by giving command from the monitor The IOP is initialised and the DSS software starts running Console login will appear on CONSOLE terminal amp login prompt appears on all the other configured C DOT DSS MAX INITIALISATION S W LOADING terminals The shell prompt i e IOP5C gt or IOP5D gt is displayed after the operator performs login At this stage IOP does not have communication with AP BP 4 2 4 Disable Update The command init iop can be used to bring IOP to this level This level is between Inservice and Warm Start AP BP communication with IOP will be through
45. w passwords for these accounts The root account passwords should be known only to system administrator Make a note that the passwords as they are not to be forgotten For normal day to day operations separate account for each operator may be opened Now the IOP system is ready with all files and the C DOT DSS software is running in the IOP Step 2 To bring up the mate IOP repeat Step 1 to 7 on the mate IOP Note that the IOP ID of the mate IOP needs to be different Check the level of the IOP by giving the following command lt DISPL IOP LEVEL It should be in WARM START level Step 3 The mate IOP is now running C DOT DSS software but is not in sync with the master IOP To bring it in sync with the master IOP give the following two commands from inservice active IOP 1 PUT SWU OOS MOD NO UNIT ID where X 0 1 id of mate 6 IOP X should be at warm start level 2 PUT SWU INS MOD NO IOM UNIT ID IOP X X 0 or 1 of mate IOP Step 4 Collect all cartridges and store them at some safe place It is suggested that the IOP consoles should be used by system administrator for monitoring the switch and should preferably be put in the IOP room C DOT DSS MAX 5 1 5 2 5 3 Chapter 5 Monitor Details INTRODUCTION This chapter describes the monitor commands of the IOP The scope of this chapter is to familiarize the user with
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