Epson C82314* User Manual Download Page 15

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PARALLEL INTERFACE SPECIFICATION

The C82314* coax interface provides a Centronics parallel data input port to allow

automatic sharing of the Epson printer between the 3270 host and an alternate

host. The parallel interface was designed to be compatible with popular printer

interfaces found on personal

computers. The following is a description of

the

parallel interface signals:

PARALLEL INTERFACE SPECIFICATIONS

Signal

Pin

Return

Pin

Signal

Parallel

Cable

Pin

Direction

Description

STROBE

Strobe pulse to
read data in. Pulse

width must be
more than .5 µsec.
at the interface

DATA1

These signals

DATA2

represent infor-

DATA3

mation in bits 1 to

5. 23

DATA4

8 of parallel data

DATA5

respectively. Each

DATA6

signal is HIGH

DATA7

when data is logical

DATA8

1 and LOW when it

is logical 0.

ACKNLG

OUT

A LOW pulse with a
minimum width of 4

µsec. A low indi-

cates that data has

been received and
that the printer is
ready to accept
more data.

Summary of Contents for C82314*

Page 1: ...EPSON C o a x Interface Card C82314 USER S GUIDE B E D I E N U N G S A N L E I T U N G M O D E D E M P L O I GUÍA DEL USUARIO MANUALE PER L UTENTE ...

Page 2: ...nce instructions Epson and Epson ESC P are registered trademarks of Seiko Epson Corporation IBM is a registered trademark of International Business Machines Corporation HP LaserJet is a trademark and Hewlett Packard and PCL are registered trademarks of Hewlett Packard Company Centronics is a registered trademark of Centronics Data Computer Corporation PostScript is a trademark of Adobe Systems inc...

Page 3: ...aratus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications Le présent appareil numérique n émet pas de bruits radioélectriques d passant les limits applicables aux appareils numériques de Class A prescrites dans le réglement sur le brouillage radioélectrique édicté par le M...

Page 4: ...STELLENDARTE COAX C82314 BEDIENUNGSANLEITUNG CARTE D INTERFACE COAX C82314 MODE D EMPLOI TARJETA DE INTERFACE COAX C82314 GUIA DEL USUARIO SCHEDA DI INTERFACCIA COAX C82314 MANUALE PER L UTENTE APPENDIX C ANHANG C APPENDICE C APÉNDICE C APPENDICE C ...

Page 5: ...uration 6 Printer Feature Access Methods 6 1 Command pass thru 6 2 Custom User Strings 8 3 SCS Mode Transparent Data 8 Alternate Host PC Auto Parallel Sharing 9 Parallel Interface Specification 10 Epson HP Laserjet Emulation 13 HP Font Identifier Codes 14 Computer Output Reduction COR HP Emulation 15 Automatic Print Orientation APO HP Emulation 16 Page Orientation Logic 17 Appendix A Host Download...

Page 6: ...letter size paper Also custom Font ID s allow you to specify multiple fonts that will automatically be used in your documents The Epson interface supports LU3 DSC and LUl SCS mode printing It has a large selection of user definable setup selections including IBM RPQ options that can be changed and stored in non volatile memory using commands imbedded in documents sent to the printer downloaded fro...

Page 7: ...push buttons Power Required 5V 240mA supplied by the printer LED SPECIFICATIONS LED Indication Green ON Green OFF Red ON Red Blinks Twice Red Remains on after turn on status The control unit CU is communicating with the interface card within past 30 seconds The CU is not communicating with the interface card The program attention PA manual option see Appendix A command 35 is active and the printer...

Page 8: ...nd a cancel signal is sent to the host The red LED will blink twice times to confirm the cancel signal was sent Note The printer will continue printing until its buffer is empty After turning on if both buttons are pressed and held more than two seconds the interface enters the hexadecimal buffer dump diagnostic printing mode The printer then prints Buffer print is active and the green LED will bl...

Page 9: ... A SELF TEST Verify proper installation of the coax interface card by performing an interface card self test The self test also prints out the current setup selections 1 Before testing the interface card perform a test of the printer to confirm that it is functional Refer to instructions in the printer s User s Guide Do not proceed unless the printer is operational 2 To test the coax interface dis...

Page 10: ...er set Code Page 850 in the setup of the printer Refer to the printer s User s Guide to determine how to select the character set by using either dip switches or the front panel If you have selected HP LaserJet emulation the Roman 8 character set is automatically selected All configuration selections can be changed by simply embedding commands as defined in Appendix A in a 3270 print job or print ...

Page 11: ... release the bottom PA2 button the red LED blinks twice 4 Sequence is complete Factory defaults are restored to the NV memory of the interface Turn the printer off and then back on PRINTER FEATURE ACCESS METHODS This interface features three methods for accessing the special features of Epson printers not normally available in the IBM printers being emulated Command Pass Thru Custom User Strings S...

Page 12: ...age in a document you may wish to use an Epson printer command such as the emphasized mode The printer command sequence for emphasized printing listed in your Epson printer s manual is ESC E or 1B 45 in hexadecimal to begin emphasized print and ESC F or 1B 46 in hexadecimal to end emphasized print At the point in the document where emphasized printing is desired the sequence 1 B 4 5 should appear ...

Page 13: ...letter U and the number of the desired custom user string in the text of a page i e U3 The custom user strings can be any combination of text or special commands for the printer especially ones that are often used 3 SCS MODE TRANSPARENT DATA SCS transparent mode SCS TRN code 35 provides a method for transparent data transmission when operating in LU1 mode To use this method you must be connected t...

Page 14: ...all of its data and remained idle for the time interval specified in Commands 50 or 51 The Epson printer may have large print buffers so an actual physical break in printing may not be seen between print jobs yet the interface pauses for the specified time period without passing data to the printer before changing to the other port While the 3270 host is active the parallel port accepts the first ...

Page 15: ...Signal Pin Return Pin Signal Parallel Cable Pin Direction Description 1 19 STROBE 1 IN Strobe pulse to read data in Pulse width must be more than 5 µsec at the interface 2 20 DATA1 2 IN These signals 3 21 DATA2 3 IN represent infor 4 22 DATA3 4 IN mation in bits 1 to 5 23 DATA4 5 IN 8 of parallel data 6 24 DATA5 6 IN respectively Each 7 25 DATA6 7 IN signal is HIGH 8 26 DATA7 8 IN when data is log...

Page 16: ...h character When off line or in error slate When serving the IBM host and a byte of parallel data is received 12 30 PE 12 OUT HIGH when the printer is out of paper 13 SLCT 13 OUT Pulled up to 5V through a 3 3K ohm resistance 14 AUTO 14 IN THIS SIGNAL IS FEED NOT SUPPORTED BY THE C82314 INTERFACE De lined by many printers to add a LF to each CR The IBM 3270 protocol does not allow sup port of this ...

Page 17: ... 3 3K ohm resistance 17 NOT SUPPORTED SLCTIN 36 NOTE The mini parallel connector is a DDK type DHA 36 or equivalent The column heading DIRECTION refers to the direction of signal flow as viewed from the C82314 interface RETURN denotes the twisted pair return to be connected at signal ground level For the interlace wiring be sure to use twisted pair cable for each signal and to complete the connect...

Page 18: ...USY goes high before the end of the STROBE signal and remains high until the end of an ACKNLG pulse of minimum 4 microseconds EPSON HP LASERJET EMULATION Most Epson laser printers have an option to emulate the Hewlett Packard LaserJet printer Check your user s guide to determine if your printer has this option which can be selected from the front panel of the printer Be sure to save the HP option ...

Page 19: ...le In many of the HP compatible cartridges and these are listed in an Appendix C at the back of the manual If the font you want to use is not listed with a font ID number it is simple to assign the font command to a custom user string and access the font by using the user string command Example Code L086 identifies a landscape Prestige 12 CPI font in the Epson 5412 font cartridge if the font cartr...

Page 20: ...f control codes in the printer data stream and the settings in the configuration are used to determine page orientation when processing DSC DSE or LUl SCS data streams Some data processing applications will not allow the user to insert the data stream commands required to achieve orientation and format selection Where the insertion of the required data stream commands is not possible the user can ...

Page 21: ...of the printing Reference the following Page Orientation Logic Illustration In LU3 DSC DSE mode the values of the parameters used in the calculations are those specified by the interface s active configuration selections In LUI SCS mode the values used are those specified in the data stream by the SCS controls If a value has not been set in the SCS data stream the interface s active configuration ...

Page 22: ...ther APO in Command 61 is active and the Paper Tray Orientation selections made in Commands 62 to 64 The requested print length and width is important when APO is active as illustrated below START Page Orientation Logic APO Active NO YES Print Dimensions Less than NO 8 5 x 11 0 inches Print According To Paper Tray Orientation Selection Command 62 64 YES Computer Portrait Landscape User output Mode...

Page 23: ...l letter Z or other command character reference Command 41 precedes all command numbers Chaining multiple commands together is permitted by using a slash or backslash to separate the commands with no spaces allowed Each command string must be preceded by an and terminated by at least one space or a control character i e LF NL CR or FF Commands are utilized by the interface and sent to the printer ...

Page 24: ... Form Feed After Local Screen Copy A 8 LU3 Print Image Non SCS Mode A 8 CR at MPP 1 A 9 NL at MPP 1 A 9 Valid FF Followed by Data A 10 Valid FF at End of Job A 10 FF Valid Location A 11 Automatic Function at End of Job A 11 Form Feed Usage A 12 Suppress Empty Forms A 12 Form Feed After Time Elapse A 12 Truncate Wrap Select A 13 Paper Size A 13 Intervention Required IR Timeout A 14 Program Attentio...

Page 25: ... Custom User Strings A 20 Shared Port Initialization String A 21 Coax Port Initialization String A 21 ASCII Printer Protocol A 22 Automatic Print Orientation A 23 Primary Tray Options A 23 Alternate Tray A 24 Manual Feed Options A 24 Character Set Selection A 25 Overwrite EBCDIC Translate Table A 25 Overwrite DSC Translate Table A 26 Restore Configuration A 26 Store Configuration in NV Memory A 27...

Page 26: ...logical buffer size is only reported to the host the next time the unit is powered up The physical buffer size is permanently set at 4K EXAMPLE Z1 3 Sets logical buffer size to 2560 characters COMMAND 2 LINES PER INCH Selects default LPI VALUE DESCRlPTlON 3 3 LPI 4 4 LPI 6 6 LPI 8 8 LPI NOTES This default emulates the front panel selection on an IBM printer The IBM host can control the LPI unless ...

Page 27: ...inter to 15 CPI default COMMAND 4 LINE SPACING Selects default Line Spacing VALUE DESCRIPTION 1 Single Space 2 Double Space EXAMPLE Z4 2 Sets the printer to double space default COMMAND 5 FORM LENGTH Selects default Form Length MPL Maximum Print Lines NOTE VALUE DESCRIPTION 000 to 255 Set Form Length in number of lines 066 Factory Default This default emulates the front panel selection on an IBM p...

Page 28: ...s the front panel selection on an IBM printer MPP and the current position will not be changed by changes in CPI The infinite line length will place no limits on the number of characters that can be sent to the printer on a single line EXAMPLE Z6 80 Sets MPP to 80 characters COMMAND 7 PRINT CASE Selects default Print Case VALUE DESCRIPTION 0 Mono case 1 Dual case NOTES Mono case Upper case charact...

Page 29: ... Finnish Swedish alt French French alt Austrian German alt International Set 5 Italian Japanese English French alt S p a n i s h Spanish alt Spanish Speaking English U K Norwegian Swedish EBCDIC alt Norwegian alt Swedish at Portuguese Canadian Bilingual French AZERTY 105 character Swiss German Swiss French NOTES This command along with command Z99 0 changes the default LU1 language selection in th...

Page 30: ...idge Required Orator NLQ Font Cartridge Required Orator S NLQ Font Cartridge Required Script C NLQ Font Cartridge Required EXAMPLE Z9 2 Selects near letter quality Roman as the default COMMAND 11 PAPER PATH Selects default paper path for the Page Presentation Media PPM command VALUE 0 DESCRIPTION 1 Ignore the host PPM Command paper tray selection determined by use of the printer s front panel Trac...

Page 31: ... a special form before printing continues If this command is placed as the first printable data on the page line 1 position 1 the specified paper path will take effect immediately If the command is placed at any other position on the page the change will have effect on the next page EXAMPLE Z11 5 Selects manual sheet feed default source for paper COMMAND 12 FORM FEED BEFORE LOCAL SCREEN COPY Speci...

Page 32: ...s only in non SCS operations EXAMPLE Z13 1 Perform a FF after local screen copy COMMAND 14 LU3 PRINT IMAGE Non SCS Mode Selects Null Line Suppression or True Screen Image in LU3 printing mode VALUE DESCRIPTION 0 1 Null line suppression in Local Copy and non SCS print Null line suppression in non SCS print and true screen image in Local Copy 2 True screen image in non SCS print and null line suppre...

Page 33: ...9501 IBM 3287 RPQ S30219 IBM 4214 OPT 15 1 Available only in non SCS operation EXAMPLE Z15 1 Prints first PP of current line as the next PP when a CR is received at MPP 1 COMMAND 16 NL at MPP 1 Sets the printer in accordance with the RPQ installed in the control unit VALUE DESCRIPTION 0 First PP of current line 2 lines 1 First PP of next line NOTES To use this function the RPQ should be IBM 3268 R...

Page 34: ...rst line on next form as the next PP when a valid FF positioned anywhere but the end of an IBM print buffer is received COMMAND 18 VALID FF AT END OF PRINT BUFFER Sets the printer in accordance with the RPQ installed in the control unit VALUE DESCRIPTION 0 First PP of second line on next form 1 First PP of first line on next form NOTES To use this function the RPQ should be IBM 3268 RPQ SC9504 IBM...

Page 35: ...RPQ SC9506 IBM 3287 RPQ SC3739 IBM 4214 OPT 19 1 Available only in non SCS operation EXAMPLE Z19 1 Makes FF valid anywhere it occurs COMMAND 20 AUTOMATIC FUNCTION AT END OF JOB Sets the printer in accordance with the RPQ installed in the control unit VALUE DESCRIPTION 0 NL is automatically executed after the buffer is completed unless an FF NL or CR was last in the buffer 1 FF is automatically exe...

Page 36: ...RESS EMPTY FORMS Blank printout pages caused by Form Feed commands that occur at the top of a form can be suppressed VALUE DESCRIPTION 0 No do not suppress empty forms 1 Yes suppress empty forms NOTES If selected the coax interface ignores Forms Feed commands located at the top of form position This command affects printing in both DSC and SCS modes This differs from the IBM 3287 which suppresses ...

Page 37: ...ta remains in the print buffer COMMAND 31 TRUNCATE WRAP SELECT The user can select whether the interface truncates or wraps the text if the maximum print position is exceeded VALUE DESCRIPTION 0 Allow text to print on next line when maximum print position is exceeded 1 Truncate text beyond the maximum print position EXAMPLE Z31 1 Causes text which exceeds the maximum print position to be lost COMM...

Page 38: ...il a PA1 or PA2 response from the printer is sent to the host software The interface can be set to either automatically return a PA1 response upon receiving a PA request or stop and wait with red LED on until the operator presses one of the two push buttons on the interface card VALUE DESCRIPTION 0 Printer stops and waits for operator to press a PA1 or PA2 push button before sending the PA respons...

Page 39: ...is command is set to 1 documents will have to be formatted by sending transparent control codes to the printer using Command Pass Thru or SCS mode transparent data If this command is set to 2 the SCS pitch CPI and line density LPI commands are suppressed Not sent to the printer EXAMPLE Z36 2 No LPI or CPI commands are sent to the printer The printer prints using the user specified selections COMMA...

Page 40: ...lank pages are ejected by the laser printer because of blank line feeds that do not fit on the reduced page size Refer to the laser printer s operator s manual EXAMPLE Z38 1 Specifies that vertical spacing prints using true 6 and 8 LPI For an 11 page 63 lines at 6 LPI or 84 lines at 8 LPI are the maximum that fit on a page COMMAND 40 ALTERNATE DELIMITER CHARACTERS Specifies two characters in addit...

Page 41: ...with the next buffer received sends all host data directly to the printer as hexadecimal printing until a stop command is received or the printer is powered off VALUE DESCRIPTION 0 No Action Taken 1 Start Buffer Hex Dump 2 Stop Buffer Hex Dump NOTES This is an alternative to pressing both push buttons on the interface card and holding them for more than 2 seconds to activate Buffer Hex Dump This c...

Page 42: ...host SCS code 36 functions the same as code 35 EXAMPLE Z45 0 All SCS Code 35 data is sent to the printer as binary codes without translation COMMAND 50 PARALLEL PORT TIME OUT Selects the time interval that the interface waits for receipt of additional data from the alternate PC host before automatically switching to check for data from the coax host VALUE DESCRIPTION 01 to 60 Time interval in numb...

Page 43: ...ts the time interval to 10 seconds COMMAND 51 COAX PORT TIME OUT Selects the time interval that the interface waits for receipt of additional data from the coax host before automatically switching to check for data from the alternate PC host VALUE DESCRIPTION 00 The interface never checks for parallel port data parallel shared port is disabled 01 to 60 Time interval in number of seconds 10 Factory...

Page 44: ...ced as the first printable data at the top of the page position 1 line 1 will be sent to the printer prior to the data To change a custom user string simply input the new custom user string values The entire old string is automatically erased To delete a custom user string from the NV memory simply put nothing between the parentheses EXAMPLES Z55 3 1 B01 Defines the U3 custom user string to send a...

Page 45: ...lization string simply input the new command values The entire old string is automatically erased To delete the initialization string from the NV memory simply put nothing between the parentheses EXAMPLE Z56 1 Deletes from NV memory any hex string that had been previously defined for the parallel port initialization string COMMAND 57 COAX PORT lNlTIALlZATlON STRING Allows the user to define an ini...

Page 46: ...he interface will use when converting from the 3270 coax cable commands Most Epson ESC P printers will automatically on power up set this command to agree with the type of printer In which the interface is installed If your printer is a laser printer this command is invalid VALUE DESCRlPTlON 1 Epson ESC P dot matrix protocol 2 HP LaserJet PCL4 laser protocol NOTES HP LaserJet protocol automaticall...

Page 47: ... selection A user can manipulate the page dimensions using SCS commands to control the orientation of the printing as long as the page size required is 8 1 2 X 11 or smaller COMMAND 62 PRIMARY PAPER TRAY ORIENTATION LASER The SCS LU1 PPM command which specifies the source for the paper assigns a printing orientation to the primary paper tray Refer to the page orientation logic chart in the compute...

Page 48: ...nts the document in accordance with the selection in Command 63 The value 3 is an excellent choice when COR is not required since the user can decide the fonts and orientation he desires by using font ID commands EXAMPLE Z63 2 Specifies that landscape orientation will be used for all printing in which the SCS LU1 PPM code specifies the alternate paper tray be used COMMAND 64 MANUAL FEED TRAY ORIEN...

Page 49: ...850 character set NOTES The character set substitutions defined in Commands 70 and 71 must be adjusted if the ASCII character set is changed All previously defined substitutions are lost from NV memory when the character set selection is changed Refer to the character set summary tables at the end of the self test to confirm which ASCII character is printed for each of the 3270 hex codes Both the ...

Page 50: ...ead The command is followed by a command Z99 0 which stores the active setup selections in non volatile memory COMMAND 71 OVERWRITE DSC LU3 TRANSLATION TABLE Custom substitutions defined by this command and stored in the NV memory are overwritten into the DSC LU3 to ASCII translation table NOTES This command functions identically to Command 70 except that the substitutions are applicable to the DS...

Page 51: ...0 or a Command Z98 2 is sent to the printer EXAMPLE Z98 1 Prints out the active setup selections for review by the user COMMAND 99 STORE CONFIGURATION IN NV MEMORY Send this command after all desired host download configuration commands have been sent to the interface It stores the active setup in the NV memory of the interface so that it will be in effect whenever you turn on the printer Otherwis...

Page 52: ...tatement is printed Some printers may require you to line feed the paper to a position where the printed text can be read On a laser printer it is necessary to form feed a page to read the printed output A detailed example of the Push Button Setup printout is as follows 1920 Logical Buffer Size Do you want this changed Yes I No Yes 2560 Logical Buffer Size Do you want this changed Yes No Yes 3564 ...

Page 53: ... changes Epson ESC P dot matrix protocol active Do you want this changed Yes No Alternate Selections HP Laserjet PCL Reference Command 60 Epson ESC P dot matrix 1920 Logical Buffer Size Reference Command 1 Do you want this changed Yes No Alternate Selections 2560 3564 3440 960 1920 6 Default LPI Do you want this changed Yes No Alternate Selections 8 3 4 6 Reference Command 2 10 Default CPI Do you ...

Page 54: ...t MPP Reference Command 6 Do you want this changed Yes No Alternate Selections 198 255 Infinite 80 132 Dual Case Default Print Case Do you want this changed Yes No Alternate Selections Mono Dual Reference Command 7 English U S Default Language Reference Command 8 Do you want this changed Yes I No Alternate Selections Austrian German Belgian Brazilian Canadian French Danish Norwegian Danish Norwegi...

Page 55: ...ings Yes No YES response prints Selections stored turn off unit No FF before local screen hard copy Do you want this changed Yes No Alternate Selections FF Reference Command 12 No FF No FF after local screen hard copy Do you want this changed Yes No Alternate Selections FF No FF Reference Command 13 LU3 and Local COPY Null line suppression Do you want this changed Yes I No Alternate Selections LU3...

Page 56: ...m for FF Do you want this changed Yes No Alternate Selections 1st PP 2nd PP Reference Command 17 Line 1 first PP of next form for valid FF at EOB Do you want this changed Yes No Alternate Selections Line 2 Line 1 Reference Command 18 FF valid at 1st PP or MPP 1 Do you want this changed Yes No Alternate Selections FF valid anywhere Reference Command 19 FF valid at 1st PP or MPP 1 NL will be added a...

Page 57: ...this changed Yes No Alternate Selections FF Multi LF Suppress empty forms Reference Command 26 Do you want this changed Yes No Alternate Selections Do not suppress empty forms suppress empty forms Do Not FF if data in the printer after time out Do you want this changed Yes No Alternate Selections Reference Command 27 Do Do not send Wrap text beyond MPP Reference Command 31 Do you want this changed...

Page 58: ...uto PA1 Manual PA1 2 Reference Command 35 No IBM control codes suppressed Reference Command 36 Do you want this changed Yes No Alternate Selections CPI LPI CPI LPI Print quality All No 3268 4224 VCS emulation Reference Command 37 Do you want this changed Yes No Alternate Selections 3287 3268 4224 Compressed LPI spacing Do you want this changed Yes No Alternate Selections True Compressed Normal Ref...

Page 59: ...0 60 5 Reference Command 50 10 Seconds for Coax Port time out Go you want this changed Yes No Alternate Selections 20 30 60 5 10 Reference Command 51 Do you want to END Yes No NO response continues with following set up selections YES response prints Save current settings Yes No YES response prints Selections stored turn off unit APO active Do you want this changed Yes No Alternate Selections l AP...

Page 60: ...trait Landscape User Define COR Reference Command 63 COR is manual paper tray orientation Reference Command 64 Do you want this changed Yes No Alternate Selections Portrait Landscape User Define COR Code Page 850 is character set Do you want this changed Yes No Alternate Selections Roman 8 Code Page 850 Reference Command 65 SAVE CURRENT SETTINGS Yes No YES Response Prints Selections stored turn of...

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