IBM 3774, Operating Procedure Manual

Page 1: ...Systems GA27 3094 3 File No S370 09...

Page 2: ...l Systems GA27 3094 3 File No S370 09 Operating Proced1Jres Guide IBM 3174 and 3775 Communication Terminals...

Page 3: ...res for making the various input and output devices ready for operation and for correcting problems such as card jams Appendix A provides reference information for emulating IMB 2770 Data Communicatio...

Page 4: ...Modem User s Guide GA27 3058 IBM 3874 Modem User s Guide GA33 0002 IBM 4872 Modem Model 1 GA36 0001 IBM 4872 Modem Models 2 and 3 GA36 0004 Second Edition January 1975 The operating procedures were c...

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Page 6: ...to the CPU Keyboard to Line Jobs Switched Communication Dial Network Procedures Initiating a Call Answering a Call Automatic Answer Example No 1 Starting a System Defined Disk to Line Job Example No...

Page 7: ...Sets Defective Diskette Sectors Entering Keyboard Data on Disk Updating a Diskette Record Updating a Diskette Record During a Keyboard to Diskette Job Operation With Two Diskette Storage Devices Disk...

Page 8: ...Chapter 6 Diskette Storage Device Make Ready Procedure Diskette Handling Chapter 7 IBM 2502 Card Reader Make Ready Procedure To Unload the Stacker To Unload the Stacker Before Full To Unload a Full St...

Page 9: ...st Step 3 Run Test 3 Modem Transmit Test Step 4 Rurt Test 4 Modem Receive Test Error Count buririg Normal transmission Charts Modem Transmit Equalization Modein Receive Equalii ation Using the Communi...

Page 10: ...Printer Locations Qpenlng the Printer Cover Print Unit Qpen Close Opening Upper Forms Guide Inserting Forms Plac g Forms on Tractor Pins Raisipg Ribbon Guides Ribbon Cassette Removal Installing the Ri...

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Page 12: ...ork on the terminal for example transferring punched card data from a card reader to the terminal s console printer The Overview of IBM 3774 and 3775 Communication Terminal Operation section that star...

Page 13: ...ers in the controller store the data for transfer to the job s output device 4 First buffer fills second empties INPUT Keyboard Card Reader Diskette No 1 Diskette No 2 Communications Line 5 Second buf...

Page 14: ...he IBM 3775 Communica tion Terminal Serial Console Printer for the IBM 3774 Communication Terminal I The serial console printer prints serially by character by selectively pushing print wires forward...

Page 15: ...eyboard Lights located above the keyboard indicate system status and error conditions The numeric position readout NPR indicators display a three digit number that indicates either the current record...

Page 16: ...ion on using the Diskette Storage Device and provides information on handling the diskette The Auxiliary Operator Panel The auxiliary operator panel has controls for adjusting the terminal s modem for...

Page 17: ...1 i _ I...

Page 18: ...jobs Define the P rinter forms format System Defined Jobs When y6u start a job use the keyboard to select one of the input aqd output device combinations already defined by the terminal the terminal...

Page 19: ...in the Diskette Storage Device Use the Make Ready Procedure in Chapter 6 if you do not know how to install the diskette Use adiskette that does not contain data required for another job the diskette...

Page 20: ...he PROCEED indicator turns on all other operator panel indicators are off 13 Now that a test line is written on the diskette under data set name SKOO do Exercise Number 2 A Diskette Storage Device To...

Page 21: ...umeric position readout NPR displays 888 when the diagnostic tests end if you did not tum all operator panel MODE switches off or set the security keylock to UNLOCKED before turning power on If this h...

Page 22: ...tor defined job the forms control defined in this job remains in effect throughout the job and for any following jobs until you select an operator defined or system defined job having a different form...

Page 23: ...ing allow the job to end or stop the job as described in the Ending a Job section 2 If not already in local mode enter local mode by holding the CODE key down and pressing the START JOB key Note When...

Page 24: ...er output must be specified 24f Keyboard to Diskette 1 25f Keyboard to Diskette 2 27f Keyboard to Console Printer 29f Keyboard to Card Punch 34f Card Reader to Diskette 1 35f Card Reader to Diskette 2...

Page 25: ...set name If you bypass entering a data set name the terminal Transmits all active data sets when the diskette is the job s input device The DSN prompt repeats when the diskette is the job s output dev...

Page 26: ...stop and enter the character R ifthe right margin stop and the maximum print position are the same enter the character B instead of R F Press the space bar repeatedly until you come to the maximum pri...

Page 27: ...til all up to twelve vertical tab stops are entered Note Once you use a number for a vertical tab stop do not use it for lines that follow if you do the terminal defines the tab stop number at the lin...

Page 28: ...iskette No 1 job B Pressing the EOM key 5 DSN prints on the console printer Enter the data set name SKOO from the keyboard 6 SHF prints on the console printer bypass defining the printer s horizontal...

Page 29: ...identification number or all of the card columns required are not punched When this happens correct the card and re enter the job definition Do not use a job definition that has been detected as inva...

Page 30: ...nsole Printer 48 Diskette No 1 to IBM 3784 Line Printer 49 Diskette No 1 to Card Punch 50 Diskette No 2 to Communication Line 57 Diskette No 2 to Console Printer 58 Diskette No 2 to IBM 3784 Line Prin...

Page 31: ...not be greater than 132 Punch the print position of the left margin stop and the horizontal tab stops as shown in the Horizontal Tab Definitions in Card Columns 16 through 49 chart that follows these...

Page 32: ...would punch a number 7 in card column 14 c 0012 0028 0044 0060 0076 0092 0108 0124 0140 0156 0172 0188 0204 0220 0236 0252 3 Read up from the 0120 to find the second hexadecimal digit 8 You would punc...

Page 33: ...8 a 1 s 2 A 8 2 1 fl 8 4 c 8 4 1 D 8 4 2 E 8 4 2 1 F FOR EXAMPLE To define horizontal tab stops in print positions 8 16 78 and 80 Position 8 is the only tab stop for card column 17 you would punch a...

Page 34: ...22222222222T2 l133333333333333333l33333333333333333333j33333333lll3333333333333331333333333333 4414444444444444444444444444444444 444444444444444444444444444444444444444444444 55555555555lslsss5555555...

Page 35: ...e EOM key The operator job definitions up to 5 write from the controller to the diskette Entering Operator Defined Jobs from the Diskette Storage Device 2 18 Once the operator defo1ed jobs are written...

Page 36: ...ress the Return or the FORM FEED key 4 Set the operator panel switches as follows Note A more detailed description of the use of each of these switches is included under using the Operator Panel Switc...

Page 37: ...section in this chapter provides more detail on the use of the following functions Selects Inquiry mode X Selects Ignore ETX EOT U Selects Monocase D De selects the above functions I X and Ul A Select...

Page 38: ...kette No 2 to Communication Line Note For SYSTEM DEFINED jobs the terminal always defines the job parameters listed here Print lines per form 61 lines Form length 66 lines Left margin print position n...

Page 39: ...s will be read If this is the case omit Step 8 8 For diskette jobs enter the record number of the first diskette record to be read or omit this step and the terminal starts reading at the first disket...

Page 40: ...board jobs When the operator panel PROCEED indicator turns on enter the data to be transmitted from the keyboard The console printer prints the keyboard data as it enters the controller buffer use the...

Page 41: ...ected Interpret print IBM 3521 Card Punch is selected Qelete data sets after transmission not selected IBM 3 S21 Card Punch Readback checking is active Disk data set name SLOO Note The printer forms f...

Page 42: ...apters 4 tJ rrough 9 for the make ready procedures for the devices 2 Note If starting a printer job that uses the same forms as the previous job you can space the for s one line by pressing the Return...

Page 43: ...an be selected only when the terminal is in local mode The functions D A R and L are selected at power on or when SYSTEM RESET is operated Refer to CODE Key Functions for information about these funct...

Page 44: ...o alphabetic and the last two numeric Bypass this step if you want to use the defined name 58 For a SYSTEM DEFINED job using the diskette as the output device you can enter a four character data set n...

Page 45: ...of data can occur between the terminal and the CPU but unless the CPU places the terminal in session the ON LINE light will not turn on If the CPU places the terminal in session the ON LINE light tur...

Page 46: ...The action taken by the CPU on receiving this request however is dependent upon the CPU program It may allow the request or may ignore it completely For keyboard to line jobs the PROCEED ON LINE KBD...

Page 47: ...link with the central processor is established 7 To terminate the call A Stop the job after all data transfer completes Hold the CODE key down and press the START JOB key B Disconnect the communicati...

Page 48: ...med when the call occurs is 1 The modem presents a ring indication to the controller when the call occurs 2 The controller presents a data terminal ready indication to the modem if the call is to be a...

Page 49: ...nting is required 2 The switched communications manual disconnect function is required 3 The diskette data set name AAOO must be assigned and 4 The diskette must start reading at record number 12 Assu...

Page 50: ...indi cator is on and the CPU SEL CT indicator may be on All other operator panel indicators are off Data may be lost if you stop a jc b hold the CODE key down and press the START JOB key before it end...

Page 51: ...a command to the terminal to turn the ON LINE light off and terminates the session Following are procedures by job input device for avoiding the loss of data Card Reader Jobs 1 Press the reader s STO...

Page 52: ...diskette that was installed in the Diskette Storage Device 2 prints compare this printout to the first diskette status printout you got in Step 2 _ A The HDRl lines of both printouts will be the same...

Page 53: ...This indicator turns on when the central processor selects an input or output device that is not available for operation with the communication line it is not available for use either because the INT...

Page 54: ...input or output device and a communication link is established with the central processor The ON LINE indicator remains on until the communication link with the processor is broken it is normal operat...

Page 55: ...Turn the INTRP Interrupt switch on to allow the central processor to automatically interrupt a job you are runni ng for example a card reader to printer job would be inter rupted if data for the Disk...

Page 56: ...printer job that selects the printer will be accepted 2 Vhen using a switched or point to point leased communication line and the cur rent job is not interrupted there will be a pause while the termi...

Page 57: ...her than jobs that define the keyboard as the job s input device turn the EXTEND ALARM switch on to select the terminal s audible alarm function the switch can be turned on or off at any time during t...

Page 58: ...Note To duplicate and punch cards with no console printing or forms movement use the EOM key instead of the Return key When this switch is on all data from the central processor with the exception of...

Page 59: ...e EOM key Once you have used the AUTO switch and want to return to specifying each record rather than using the AUTO switch function A Press the EOB or EOM key to transfer the current record to the di...

Page 60: ...t job starts monitor printing will then begin when the processor starts transmitting to the terminal Also if you turn the UPDATE MONITOR switch on after starting a job and the job is interrupted by th...

Page 61: ...es when you press the EOM key the function cancels if you press the RESET key instead of the EOM key INDEX Figure 2 4 Using the Code Key Code Key Functions FUNCTION SELECTION Select Define CODE 1 O Mo...

Page 62: ...097 for a description of these fields Not printed for basic exchange diskettes OJDR is the operator job definitions data set Each time a job stops and a job with another data name starts the next data...

Page 63: ...ber that displays in the readout indicators 4 Enter a numeric O from the keyboard Operation Mode numbers display in the readout indicators Use the following charts of the left and right NPR display to...

Page 64: ...disconnect overrides the automatic qisconnect at job end Disconnect Select SNBU CODE s Selects Switched Communication Network Backup SNBU operation and terminates leased communications network operati...

Page 65: ...buffer edit point where the delete function starts Refer to the Using the Keyboard Buffer Edit Keys section in this chapter 2 Hold the CODE key down and enter a character from the keyboard then relea...

Page 66: ...CODE key and RESET key function turns off the indicators but does not clear the error condition use the error recovery procedures in chapter 3 to correct the error and continue the job Buffer edit fu...

Page 67: ...n executes DESCRIPTION Deletes all data sets on disk number one with the exception of job definitions Deletes all data sets and job definitions on diskette number one Creates diskette one as an IBM 37...

Page 68: ...d are cleared after they are printed The terminal enters communications test mode Use the procedures described in the Problem Identification Procedures section to run the tests Prints the line console...

Page 69: ...I I I I I INE I I I I I DEVICE I KBD 1READER1 DISK 1 I DISK 21 jCONSOLEj TR I PUNCH I LINE I I I I I I 1 I I I I I I I ICJ JCJCJCJCJCJCJGJLJDEJ B EJ Jc J DGDD GDGDCJ ljl ITJGCJGDDc JDCJDDDLJ ITJ J c...

Page 70: ...h error in line 3 as follows A Press the BUFFR LINE RTN Buffer Line Return key The buffer edit point i noves to the first character in line 3 L B Use the PRINT CHAR Print Character key to print the co...

Page 71: ...Device job as described in steps 1 and 2 of exercise number I above 2 Enter this line from the keyboard I will enter an error on this ward Note The buffer edit point is one character position beyond t...

Page 72: ...r sounds and the backspace will not occur Press this key to print the contents of the buffer from the current position of the buffer to the end of the buffer Press this key to print buffer data from t...

Page 73: ...s listed below are pressed The BUFFR RETURN key is pressed The BUFFR LINE RTN key is pressed The BUFFR BKSP key is pressed Ill The BKSP key is pressed The PRINT CHAR key is pressed the terminal exits...

Page 74: ...that uses data set name AAOl A Press the START JOB key B Enter these characters from th e keyboard S24AA01 C Press the EOM key The terminal starts the job the data set name is AAOl 2 Enter at least o...

Page 75: ...te fills the same data set name is added to the next diskette inserted If the name already exists on the inserted diskette the name is incremented To reopen an existing data set Ignore ETX EOT must be...

Page 76: ...diskette jobs the terminal does not auto matically skip to the second diskette when the first diskette is full but indicates which diskette has filled and waits for another diskette to be installed A...

Page 77: ...ting the record number of a defective diskette sector When this happens request the next higher record number and continue the job When a diskette with defective sectors is copied to anotherdiskette t...

Page 78: ...a power loss will be the last job end you entered 5 Stop the job hold the CODE key down and press the START JOB key when all the job s records are transferred or when part of the records are transferr...

Page 79: ...you want to exit from update mode A Turn the UPDATE MONITOR switch off B The number of the record you will next write to the diskette displays in the readout indicators you may continue the keyboard t...

Page 80: ...SC mode Non 3770 diskettes can be read by the 3774 or 3775 if they adhere to the rules for basic exchange format and the record length does not exceed 128 characters ASCII or EBCDIC compatibility must...

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Page 82: ...ut indicators NPR identifies the error type These numbers and the error recovery procedure for the error are listed in the Numeric Position Readout NPR Codes section 2 Scan the list of codes in the Nu...

Page 83: ...he trouble report form are included at the back of this manual 1 Circle the operator panel indicators and switches that are on before performing any error recovery procedures 0 0 0 0 0 0 0 r MODI CPU...

Page 84: ...ith the HOLD PRINT switch still on the terminal s speaker sounds when operation from the terminal s keyboard is attempted Ifthe terminal appears to be in an undetermined state check that The operator...

Page 85: ...nge or non attempt was made to write either an exchange exchange diskette as required and restart the job or don t attempt data set on a 3770 mode diskette or a non to mix compressed and non compresse...

Page 86: ...tte can be used in 512 block length mode 227 Diskette 2 incompatibility error See code 215 Replace the diskette and restart the job for description 228 Diskette No 2 re located sector condition Contin...

Page 87: ...at the bottom of the deck taken from the hopper 6 Place card deck in hopper and press the START key 244 3501 Card Reader invalid punch 1 Locate the card read when the error occurred If a card is unde...

Page 88: ...HOLD PRINT switch off to continue printing If an error occurs with the HOLD PRINT switch on data will be lost 2 A possible hardware error condition exists if none of the condi tions checked in Step 1...

Page 89: ...tor panel switches as required for the job Refer to the Starting a Job section in Chapter 2 when the switches are set correctly the error automatically clears and printing continues Same as code 347 w...

Page 90: ...his diskette as described in Chapter 2 under Using the CODE Key Install the correct diskette or create this diskette as described in the Using the CODE Key section During Change Status 1 Check the sec...

Page 91: ...SCII machine 316 The diskette does not conform to 3770 Check the diskette label using the List Disk Status CODE key func diskette exchange format tion to be sure that the correct diskette is installed...

Page 92: ...ng on the form that remains in the printer of forms approximately 8 inches one line at a time by using this procedure for each line Note Print quality at the bottom 8 inches of paper may be reduced be...

Page 93: ...sponse The same as error code 332 timeout invalid possible communication line problem no response to the checking sequence for a transmitted data block or failure of the central processor to continue...

Page 94: ...unching 4 Press the NPRO key 5 Press the START key 344 3521 card punch punch error 1 Remove the top card from the stacker and discard it 2 Press the NPRO key and remove the blank card from the stacker...

Page 95: ...buffer parity error This is Refer to Diskette Data Recovery Procedures for information about a machine error during a read or write possible continuation of the job using a different diskette device o...

Page 96: ...ned for this job Record Format Control Diskette No input O to Diskette No 1 output O job the input data set is multivolume Record Format Control Diskette No 1 input O to Diskette No 1 output O job the...

Page 97: ...ter for the Operator action to be taken Note Al I terminal can run communication test O not all terminals have modems attached that are capable of running test 2 This is described in mor detail in the...

Page 98: ...t character function buffer or described in the Using the CODE Key section B Press the RESET key to cancel the insert function in Chapter 2 999 Buffer full condition Press the EOM key to transfer the...

Page 99: ...ssfully written C The job may be restarted using another diskette D When a buffer compare _error occurs a diskette surface defect is assumed The normal procedure is to write control records on the bad...

Page 100: ...lug the terminal power plug Figure 3 2 Typical Modem Connector Telephone Equipment Connector and Modem Power Plug 4 Restart the job Note 1 Notify the host operator that the job is being restarted Disc...

Page 101: ...the tests indicate that there is a modem or data set problem call the appropriate service organization for modem or data set service If no modem or data set tests are available or if the tests indicat...

Page 102: ...test capability D Continue on to Test 3 To Perform Test 3 Modem Transmit Test 1 Inform the host operator that there is an online problem and that local tests indicate no problem with the terminal or...

Page 103: ...so write Test 3 in the Comments section and go to Step 6 Follow the instruction that has been checked If the terminal has an integrated modem D Call for service on the terminal Do not go to Step 7 no...

Page 104: ...host operator to discontinue the Modem Receive Test Test 4 and to start the Modem Transmit Test Test 3 Proceed to To Perform Test 4 Modem Received Test 12 Ask the host operator to discontinue testing...

Page 105: ...r entering the compare the error count shown in the NPR with the benchmark error count D benchmark error count If the current error count exceeds the benchmark error count by 10 or more go to Step 8 I...

Page 106: ...2 13 14 If the online error recurs write under Comments on the Trouble Report Form that the error recurred during Step 11 of Test 4 Call for service on the terminal Do not go to Step 12 The termjnal m...

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Page 108: ...he printer s paper release lever is forward toward the front of the printer before you start a job With the forms release lever forward the printer senses an end of forms condition it does not when th...

Page 109: ...tor if used Jams can occur if the paper supply is not positioned properly At least three sheets of paper should be on the stacking surface prior to operation Ensure that paper does not fall onto the s...

Page 110: ...g position 2 Open the printer cover Figure 4 2 as follows A Slide the clear plastic cover forward B Pivot the cover assembly forward toward the front of the terminal 3 If the forms tractor unit is ins...

Page 111: ...trol dial shown in Figure 4 1 for best printing with the forms you are using set the dial to satisfy these requirements Legible printing on the last copy No ribbon smudging on the first copy Notes a C...

Page 112: ...per Release Lever Clear Plastic Cover __ _ J I _____ qj Print Position A ___ ______ _ 9 ale Adjustment _____ _ __ _ l l Af j I z _ _____j i C J 7 aper Advance Knob l Horizontal Positioning Knob Figure...

Page 113: ...Note You should turn the HOLD PRINT switch on to return the print head to the forms loading position when the printer will not be used for an extended period of time Remember to turn the HOLD PRINT sw...

Page 114: ...the forms sensing pin if contact with the sensing pin is lost remove the forms and insert again 11 Pull the forms up and place the left margin holes over the tractor pins close the left tractor cover...

Page 115: ...on the first copy Notes 1 If the last copy is not legible tum the copy control dial toward O one step at a time until the last copy is legible 2 If the ribbon smudges the first copy rotate the copy c...

Page 116: ...f contact ith the sensing lever is lost remove the paper and insert again Maintain pressure on the paper with one hand and turn the paper advance knob with the other hand until a few inches of the pap...

Page 117: ...To insert or adjust paper move the clear plastic shield forward Then lift the paper bail until it stops in the upright position position B in Figure 4 8 part 2 Release the lower rolls by moving the p...

Page 118: ..._ I I Figure 4 8 Using the Pressure Feed Bail Part 1 of 2 POSITION B POSITION A Figure 4 8 Using the Pressure Feed Bail Part 2 of 2 IBM 3774 and 3775 Operating Procedures Guide 4 11...

Page 119: ...ll be printed Perform the following procedure to align the red vertical line to the print position indicator 1 Start a keyboard to console printer job as described in the Starting a Job section in Cha...

Page 120: ...bon Remove the old ribbon from the guides and from the print h ead Lay the ribbon loop on top of the old ribbon in the ribbon box and remove the ribbon and disoard it Eject the new ribbon from its hol...

Page 121: ...ing the Platen Removing the Platen 4 14 Use this procedure to remove the platen 1 Space the print head to the center of the platen by entering either horizontal tab or space characters from the keyboa...

Page 122: ...ld the platen with the gear to your right 3 Place the groove of the platen in the right platen latch 4 Press down on both platen knobs The platen snaps into place then close the platen extension cover...

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Page 124: ...neral Forms Handling Information The Forms Stand accessory is recommended to facilitate feeding and stacking of fan fold forms Paper should not be stored in low humidity areas Under low humidity condi...

Page 125: ...job 1 Open the printer cover as shown in Figure 5 2 2 Open the print unit as shown in Figure 5 3 3 Open the tractor covers and the upper forms guide as shown in Figure 5 4 4 Slide the rear forms guid...

Page 126: ...the form is aligned to the same position on both the rear form alignment scale shown in Figure 5 5 and the front form alignment scale shown in Figure 5 1 Refer to Figure 5 6 if you need to move the t...

Page 127: ...Figure 5 3 Print Unit Open Close Figure 5 4 Opening Upper Forms Guide 5 4 I _J...

Page 128: ...i J Figure 5 5 Inserting Forms Figure 5 6 Placing Forms on Tractor Pins IBM 3774 and 3775 Operating Procedures Guide 5 5...

Page 129: ...m the ribbon guides shown in Figure 5 8 8 Lift the ribbon cassette out of the printer 9 Install the replacement ribbon cassette as described in the Installing the Ribbon section that follows Use this...

Page 130: ...Figure 5 8 Ribbon Cassette Removal Installation Figure 5 9 Installing the Ribbon IBM 3774 and 3775 Operating Procedures Guide 5 7...

Page 131: ...left end of the cassette through the release lever and around the left guide 7 Close the ribbon drive release lever shown in Figure 5 8 8 Take up any extra ribbon slack by turning the print belt pulle...

Page 132: ...g the Print Belt Removing the Print Belt Use this procedure to remove the print belt Figure 5 10 Releasing Print Belt Tension Figure 5 11 Removing Print Belt IBM 3774 and 3775 Operating Procedures Gui...

Page 133: ...belt 2 Raise both ribbon guides as shown in Figure 5 7 3 Hold the print belt with the type up and carefully place the belt around the pulleys and in back of the belt guard as shown in Figure 5 12 Not...

Page 134: ...s shown in Figure 5 7 7 Turn the print belt pulley and check that the print belt and ribbon turn correctly 8 Close the print unit as shown in Figure 5 3 9 Close the printer cover IBM 3774 and 3775 Ope...

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Page 136: ...ntroller 2 Press down on the latch and pull back on the front of the door to open the Diskette Storage Device Figure 6 1 3 Remove the old diskette if one is installed Figure 6 2 4 Install the new disk...

Page 137: ...I Figure 6 2 Removing Inserting a Diskette 6 2...

Page 138: ...I Figure 6 3 Closing the Diskette Device Door IBM 3774 and 3775 Operating Procedures Guide 6 3...

Page 139: ...read write errors and possible damage to the Diskette Storage Device The following precautions are neceS Sary to prevent damage and contamination of the diskette surface Return the diskette to its env...

Page 140: ...indicator turns on 3 To cleaI out any cards that may be in the reader A Remove all cards from the hopper B If a job is nbt already started start a card reader job C Press the NPRO Non Process Run Out...

Page 141: ...er 7 2 Use this procedure when you note that the stacker will become full before all cards in the batch are read Refer to Figure 7 1 for the location ofthe 2502 controls used in this procedure To unlo...

Page 142: ...this job in the hopper set the EOF end of file switch to the ON position if not set the EOF switch to the OFF position 5 Press the START key to continue the read operation To Reload an Empty Hopper Us...

Page 143: ...it to the right until you feel a definite stopping action Note To restore the stacker to the 80 column card position push down on the right end of the stacker stop assembly and slide it to the left 4...

Page 144: ...I I _vi i Figure 7 2 2502 Short Card Setup Procedure Spacer Staci er Spring Lever Stacker Spring Assembly IBM 3774 and 3775 Operating Procedures Guide 7 S...

Page 145: ...ng Station or the Read Station 1 Raise the top cover 2 Push back towards the front of the machine on the latch and raise the read head upper card guide 3 Remove the jammed card s 4 Lower the read head...

Page 146: ...Figure 7 3 2502 Card Jam Removal Read Head Upper Card Guide I Upper Card Guide Assembly IBM 3774 and 3775 Operating Procedures Guide 7 7...

Page 147: ...I...

Page 148: ...ce the cards in the hopper face down with the 9 edge towards the rear of the reader and column 1 to your left as is indicated on the reader hopper Place the card weight on top of the cards 4 If alread...

Page 149: ...Figure 8 1 3501 Make Ready Procedure Part 2 of 2 8 2...

Page 150: ...START key Both 3501 lights status indicators turn on when a job starts that defines the card reader as the job s input device The reader is in a ready condition and reads under control of the system...

Page 151: ...moval of the card jam Be careful not to snag the card on the read head star wheels when removing the jam 5 Close the read head card cover by pressing firmly on the cover as shown in Figure 8 3 Check t...

Page 152: ...already on 3 Tum the 3521 s POWER switch on if it is not already on the switch is located on the front of the IBM 3782 Card Attachment Unit Note When the read feature is installed there is a time del...

Page 153: ...Bent or warped cards must be straightened Figure 9 1 3521 Make Ready Procedure Part 2 of 2 6 If already in a job press the 3521 s GREEN START key If starting a new job pressing the START key is not ne...

Page 154: ...efines the 3521 as the job s input or output device The 3521 is in aready condition and reads or punches under control of the terminal s controller Figure 9 2 Emptying the Chip Box The chip box window...

Page 155: ...9 3 Removing a Card Jam at the Hopper To remove a card jam CAUTION As you do not turn the terminal or card punch power off when rcmovir g a card jam you can avoid unexpected starting of the punch by d...

Page 156: ...Figure 9 4 Removing a Card Jam in the Card Path Area Part 1 of 2 Figure 9 4 Removing a Card Jam in the Card Path Area Part 2 of 2 IBM 3774 and 3775 Operating Procedures Guide 9 5...

Page 157: ...inst the stop and tighten the wingscrew 9 Close the front cover 10 If disconnected plug in the power plug at the back of the punch 11 Make the punch ready as described in the Make Ready Procedure Figu...

Page 158: ...not clean 4 Use the Replacing the lnkroll procedure to install the inkroll that was removed in Step 1 Using the Status Indicators i The 352l s status indicators together with the indicators on the ter...

Page 159: ...ched the registration station such as punch check read check sync check or card jam after registration RIGHT INDICATOR OFF Generally indicates a problem occurred before the card reached the registrati...

Page 160: ...slide the badge through the reader froin right to left slide the badge through the reader at a steady rate Note The badge s magnetic stripe faces down and toward the back of the terminal Figure 10 1 I...

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Page 162: ...bed in the Installing and Aligning Printer Forms section Note Always turn the 3784 s HOLD PRINT switch on before opening the printer cover or attempting to install or align printer forms Remember to t...

Page 163: ...ne the horizontal and vertical forms positioning When the HOLD PRINT switch is on and the SET UP switch is operated Hie 3784 prints the character X across the print line from the left to the right mar...

Page 164: ...ator HOLD PRT Hold Print Indicator When this indicator turns on it indicates that the job has stopped because of a 3784 printer error that requires operator intervention such as an out of forms condit...

Page 165: ...5 Squeeze the tractor release levers shown in Figure 11 6 and move each tractor to accommodate the forms width J____ lD D D O a a a J Figure 11 2 Opening the Printer Cover 6 Start the forms into the u...

Page 166: ...y Figure 11 3 Print Unit Open Close Figure 11 4 Opening Upper Forms Guide IBM 3774 and 3775 Operating Procedures Guide 11 5...

Page 167: ...he print line indicator Note The recommended location of the first print line is a minimum of one half inch 12 7 mm below the forms perforation 6 Push the forms advance knob in to engage the vernier a...

Page 168: ...hown in Figure 11 8 8 lift the ribbon cassette out of the printer 9 Install the replacement ribbon cassette as described in the Installing the Ribbon section that follows Use this procedure to install...

Page 169: ...Figure 11 7 Raising Ribbon Guides Figure 11 8 Ribbon Cassette Removal Installation 11 8...

Page 170: ...ough the release lever and around the left guide Close the ribbon drive release lever shown in Figure 11 8 Take up any extra ribbon slack by turning the print belt pulley shown in Figure 11 9 Lower th...

Page 171: ...s shown in Figure 11 2 2 Pull the print belt relear e lever forward to loosen belt tension as shown in Figure 11 10 3 Lift the print belt off the pulleys and store the belt in a safe location 4 Follow...

Page 172: ...release lever to the rear to tighten the belt on the pulleys as shown in Figure 11 10 5 Turn the print belt pulley counterclockwise and observe the print belt as it moves on the pulleys as shown in F...

Page 173: ...Figure 11 12 Installing the Print Belt _ I _ 11 12...

Page 174: ...utput device combinations and features that are available on both the IBM 2770 and the IBM 3774 and IBM 3775 terminals The Entering Operator Defined Jobs from the Keyboard section and the Starting a J...

Page 175: ...ed IBM 3521 Card Punch Read back Checking not used inhibited You can specify either the Compress option or the Transparent Mode option not both on any one job definition The card reader must be the jo...

Page 176: ...l character to select the console printer For messages that do not contain a DCI character you can request that the central processor operator issue a display request command to display all outstandin...

Page 177: ...ne or a card reader to com munications line job 3 The job executes 4 The processor transmits the job s printed or punched output to the terminal Select the Monocase function when you start the job if...

Page 178: ...nsmitted to the terminal must be retransmitted from the beginning When this happens the terminal operator requests the processor operator to issue the appropriate JES2 command to retransmit the job th...

Page 179: ...ondition even though only one input and one output device is defined at job start time Select the Inquiry Mode function Two terminal oriented status messages are transmitted by IMS VS One message deal...

Page 180: ...Chapter 1 Step 1 Run Test 0 Tenninal Communication Test Follow these steps to enter communication test mode and run test 0 1 If a job is running allow the job to end or stop the job as described under...

Page 181: ...mine if there is a problem in the terminal s modem This terminal s modem can run test 2 Modem Wrap Test YES NO 1 If you have not already done so perform Step 1 Run Test 0 Terminal Communica tion Test...

Page 182: ...he central processor inform the operator that you will run test 3 Modem Transmit Test request that the processor operator run test 4 Modem Receive Test and record the error count while the test runs 5...

Page 183: ...st transmission if this happens 1 When using a switched communication line re dial the connection and try the test again 2 When using a leased communication line request that the common carrier compan...

Page 184: ...e equivalent to these tests the tests must run without error B After test 2 ends start test 4 Modem Receive Test 4 Inform the processor operator that you will run test 3 Modem Transmit Test and will a...

Page 185: ...it from communication test mode hold the CODEkey down and press the START JOBkey Using the Communication Test Adapter Cable B If you terminal has an attached modem with the test adapter cable shown in...

Page 186: ...ble s switch shown in Figure B 1 to the TEST position 8 Enter the number 2 from the keyboard to start test 2 Modem Wrap Test 9 Test 2 Modem Wrap Test runs and the ON LINE indicator turns on The operat...

Page 187: ...and enter a numeric O from the keyboard then release the CODE key 2 Enter a numeric 5 from the keyboard the number 5 displays in the readout NPR indicators 3 Press the EOM key The terminal enters onl...

Page 188: ...e Requesting Online Test on a Multipoint Communication Network 1 Enter online test mode as described in To Enter Online Test Mode 2 Enter this request for test RFT message from the keyboard XXYY3AADC...

Page 189: ...Go to line e of Example 1 Echo Test Enter logon applid istoltep Then respond DEV 3700SNA Where DEV Symbolic name of the test terminal Go to line e of Example 1 Echo Test Note If a BIND failure message...

Page 190: ...A No options were modified d Standard OLT message The symbolic name of the test device is given here RTS2LU1 e Echo is requesting TEST DATA PROMPT or END f A response of 4 test data requests that the...

Page 191: ...I 0...

Page 192: ...ated Modem transmis sion is at 2400 BPS with the switch in the NORMAL position or at 1200 BPS with the switch in the HALF SPEED position On World Trade machines using either an Integrated Modem or an...

Page 193: ...any other component selection ex cept the console printer received from the central processor Data can be routed to the intended output in offline operation by using a system defined or operator defin...

Page 194: ...e ended by turning the UPDATE MONITOR switch OFF For jobs other than keyboard to diskette the switch is used to cause monitor printing on the console printer IThe keyboard should be in lowercase shift...

Page 195: ...Status Active or Inactive or Multivolume Change Data Set Name Write Job Definition on Diskette Read Job Definition from Diskette or Cards list Diskette Data Sets Clear Diskette Delete all data except...

Page 196: ...of a line to print beginning at the current buffer position through the next NL or IRS character or to the end of data contained in the buffer BUFFR LINE RTN Buffer Line Return Pressing this key rest...

Page 197: ...until transmission begins and then turns off It is off until the job ends and then turns on Another online job can be started after the light turns on again This light indicates that the terminal has...

Page 198: ...change name or status of diskette 2 50 cleaning print belt 2 51 clear diskette function 2 50 communication test mode 2 51 create diskette function 2 50 CODE key continued define mode 2 44 disconnect s...

Page 199: ...defective sectors 2 60 delete data sets after transmission diskette handling 6 4 diskette interchangeability 2 63 entering keyboard data 2 60 general data recovery 3 17 2 8 2 8 2 14 X 2 IBM 3774 and...

Page 200: ...ations 2 38 J job definitions number stored 2 6 restart following an error 3 1 jobs diskette 2 57 K KBD indicator description 2 36 keyboard introduction to 1 4 to communication line jobs 2 23 2 28 to...

Page 201: ...or description 2 36 C 6 prompting instructions when defining a job 2 6 PRT READY indicator 3784 11 3 PUNCQ indicator description 2 36 X 4 IBM 3774 and 3775 Procedures Guide R read ID identification CO...

Page 202: ...report form 3 2 type belt replacing 3775 console printer 5 9 type belt replacing 3784 11 10 typedrum 3521 card punch 9 7 u unattended mode SDLC 2 26 2 48 unloading the stacker 2502 card reader 7 2 35...

Page 203: ...pening and closing 11 4 replacing the ribbon 11 7 switches BELT CLEAN 11 1 FORM FEED 11 1 HOLD PRINT 11 1 MACH RESET 11 1 PRINT ERROR LOG 11 2 X 6 IBM 3774 and 3775 Procedures Guide 3784 Line Printer...

Page 204: ...e auxiliary operator panel switches TALK DATA BSC SDLC NORMAL HALF SPEED 4 Circle the input and output devices selected in this job setup KEYBOARD CARD READER DISK 1 CONSOLE PRINTER 3784 PRINTER CARD...

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