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Black Box A/S-4 User's Manual

1. 22 A 25 6 6 Changing VDU Commands for VDU 5 1 4 ici pits 27 6 7 Changing Video Attributes and Commands for VDU sessions 28 bo Changing keyboard 35 6 9 Changing Key Arrangements on a Particular Keyboard Layout 36 A 37 alos ty 38 aM Rm 39 A A II 39 39 O eo ccc M 41 Changme Applcato a 41 Tori i 42 rcp M 44 Hu Chapter Page uiua Optieiy AAA 45 OLS IMEEM 22 49 CIT Relord Derull 50 AC s ss 51 Tic l l LX Sa NM UIN NEED 52 oJ Receiving Batch Data From th SNA Host qnie Rae 59 8 2 Transmitting Batch Data to the o 55 Do S o e AAA AEE 56 s 58 WEIST 63 CUI CDC T te 64 LE Sotware Upgrade and Eprom RE plac 65 12 Sustem me EN tor ua 66 15 Troubleshooting
2. CHAPTER 12 System Line Gen for Batch TRANSFER 7 MODETAD INSTINCLM Name of table used by VTAM for line bind parameters SSCPFM USSSCS 3770 RJE log on is a character coded log on VPACING 2 PU MACRO ADDR CI Line hardware hex address value IRETRY YES Retry poll operation on idle PU maybe no MAXDATA 265 or 521 Maximum amount of PIU data NCP will xmit to the terminal MAXOUT 7 if MAXDATA 265 Maximum number of data blocks PIUs 4 if MAXDATA 521 that NCP can xmit to PU before requesting an SDLC data link acknowledgement MODETAB RJEMODE Name of table used by VIAM for PU bind parameters PASSLIM 7 if MAXDATA 265 Maximum number of PIUs that NCP can 4 if MAXDATA 521 xmit at one time PUTYPE 2 Physical Unit type 2 RETRIES 1 5 5 Retry 1 wait 3 seconds do it 5 times SSCPFM USSSCS 3770 RJE logon is a character coded logon DLOGMOD BUF256 if MAXDATA 265 Logmode entry used BUF512 if MAXDATA 521 ANS STOP Stop on automatic network shutdown maybe CONTINUE LU MACRO BATCH YES Informs NCP that this is a BATCH LU BUFFLIM 2 The product determines how many PPBUF elements VIAM will receive from a LU until VIAM can transfer the data to the application LOCADDR 1 to 1 Local address of this LU on the PU A S 4 supports only one LU 1 PACING 3 NCP to send 3 request units RUs before waiting for pacing response PROTOCOL CONVERTER MODEL A S 4 USSTAB RJEINCDT VPACING 6 ISTATUS ACTI
3. MA PROTOCOL CONVERTER MODEL A S 4 PROGRAMMABLE PRINTER OPTIONS Print data received from the host or printed by a local print function will be formatted by the values set in the Printer Options menu e g Column Width Lines Per Page Single spacing The A S 4 is capable of having numerous printer options changed while communicating with a host program When the printer is an LU type 3 the only change possible from the program is the number of characters printed perline This is defined in the write control character WCC of the printer message For an LU type 1 many changes are possible by the use of SNA Character String SCS control codes described below a Set Horizontal Format SHF command defines the maximum presentation position MPP the left margin LM right margin RM and up to six horizontal tab stops for a page of print At the present time the only value passed on to the printer by the A S 4 is the MPP column width and is done so by the use of the FORMS commands set up in the Printer Options menu When the SHF is received the new values override any default values set by the printer option menu and the new forms value is then sent to the printer If the Start Char FORMS is disabled the new values are not sent to the printer The following is an example of setting the printer for a 80 column page ESC E 8 0 OKI Microline 83A command to set 80 column page Printer Options Menu settings G Start Char FORMS ESC F H
4. 6 4 Run A S 4 as options are currently set Change internal A S 4 VDU type to match terminal device Changes table of VDU video commands used by A S 4 Change commands sent to VDU to perform functions like Home Clear etc D 6 7 Turn on or off video Also change video commands E 6 8 Change to different type keyboard arrangements Arrange keys in desired order on keyboard Change between applications Interactive or Batch mode of data transfer 6 12 Printer Options J 6 13 Verify switch settings K 6 14 Set all A S 4 options to default values 6 4 Switching from A S 4 s Main Menu to Running the Application Once all operating parameters have been configured properly the A S 4 is ready to run To connect the asynchronous devices to the application enter the letter A for the RUN option of the A S 4 s Main Menu The A S 4 will then proceed to connect up to the application in one of the following manners depending on which of the three states the host communication line is in 1 Modem not ready if the modem is turned off or on a dial up line the modem has not been dialed or on a lease line the line is down the A S 4 will display on the VDU DIAL UP SDLC LINE Once the phone line connection with the host has been establish the A S 4 will proceed to one of the following two states Refer to Section 13 0 on Trouble Shooting if the Dial Up message will not go away for more information PROTOCOL CONVERTER MODEL A
5. C PU Addr F7 D SDLC Baud Rate 1200 E XON XOFF OFF F VDU LU Addr 01 G PRT LU Addr 02 H Start of File CTL B I End of File CTL C J Send FMH 2 to VDU NO K Precede TRN Ctl Chars L Echo Input YES with DLE YES M Card Input Data Only YES N VDU Auto Logon Msg LOGON APPLID SYSA LOGMODE BUF512 DATA 13 CTLAL163ACOOCTL Y O PRT Auto Logon Field L163AC01 P VDU PRT Auto Signon Msg SIGNON Enter Letter Figure 16 PROTOCOL CONVERTER MODEL A S 4 6 11 2 CHANGING BATCH APPLICATION OPTIONS The change Application menu allows 16 operations as described below A thru G are the same as for changing Interactive options refer to section 6 11 1 for details H Start of File By entering an H the operator can select the first character that must be received from the VDU before any data is stored and then transmitted to the host This character is also the first character sent to the VDU when data is received from the host This is a single character command that can be a control character displayed as CTL or a printable character The Start of File character can be disabled by setting it to a null X 00 or space character I End of File This single character command that causes VDU to terminate the transmission of data to the host and is received by the VDU when an end of message is received from the host can be changed by entering an I This command is selected and disabled the same as the Start of File character
6. Televideo 970 960 Keyboard STANDARD Change PA Keys Keys Typed on VDU to Perform Function A Exit B ESC B or ESC b PA1 C ESC N or ESC n PA2 D ESC M or ESC m PA3 Enter Letter Figure 11 6 9 3 COMMAND KEYS Selection of item D from the menu shown if figure 9 will cause the menu shown in figure 12 to be displayed Key changed are performed in the same manner as the PF key changes CURRENT Application SDLC SNA 3274 76 Interactive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 Keyboard STANDARD Change Command keys Keys Typed on VDU to Perform Function A Exit B CTL I or Tab C CTL Y or Back Tab D CTL J or CTL J New Line E CTL H or Back Space F CTL O or Home G ESC or Clear H CTL H or Left Arrow Gor Left 2 Arrow J CTL K or Right Arrow K CTL L or Right 2 Arrow L CTL U or Up Arrow M CTL N or Down Arrow N CTL M or Enter Send O ESC 9 Attention Enter Letter Figure 12 CHAPTER 6 Power Up and Configuration Menu Options 6 9 4 IBM KEvs Selection of item E from the menu shown in figure 9 will cause the menu shown in figure 13 to be displayed Key changes are performed in the same manner as the PF key changes CURRENT Application SDLC SNA 3274 76 Interactive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 Keyboard STANDARD Change IBM Keys Keys on VDU to Perform Function A Exit B CTL T or Duplicate C CTL R or
7. 35 C26B DEFAULT KYBD STANDARD C2F3 IBM PC 3270 C403 IBM 3101 C37B ADM 1178 C48B PNS 21 09 START FILE CHARACTER 38 03 END OF FILE CHARACTER 39 VDU PRT Auto Logon Msg 82 CHARACTERS 4C 4F 47 31 33 2C 2 2C 1C 4C 31 36 33 41 43 30 30 1C 20 29 20 A0 LOG 153 CIINL163 A C 0 0 CTL END 121 PRT Auto Logon Field 10 CHARACTERS 4C 31 36 33 41 43 30 B1 00 00 LAST CHAR NEGATIVE L163ACO01 131 VDU PRT Auto Signon Msg 80 CHARACTERS 2F 2A4 53 49 47 4E 4F 4E 20 20 20 A0 LAST CHAR NEGATIVE SIGNON END BYTE DEFAULT continued PRINTER OPTIONS 211 84 Column Width 132 212 49 Lines Per Page 066 213 06 BIT 7 1 Mono Case chars 02Dual Case chars 6 1 Double Spacing O Single Spacing 5 THRU 0 Lines Per Inch 006 214 20 Ist Start Char FORMS 215 20 2nd Start Char FORMS 216 20 Ist Start Char DENSITY PROTOCOL CONVERTER MODEL A S 4 BYTE 217 218 220 221 222 223 DEFAULT continued 20 2nd Start Char DENSITY 20 20 Multiple character 00 Separator Char FORMS 00 Separator Char DENSITY 00 Final Char FORMS 00 Final Char DENSITY END OF OPTIONS 9 Battery RAM operating parameters selected from the configuration menus are saved in battery backed up RAM Random Access Memory Therefore if AC power to the A S 4 is interrupted it is unnecessary to reenter the parameters previously selected If the unit is powered off for seven days or more the parameters will probably
8. 4 of connector to A S 4 s input of CLEAR TO SEND 2 On connects pin 5 of connector to A S 4 s input of CLEAR TO SEND for attaching DCE device 3 On connects pin 11 of connector A S 4 s input of CLEAR TO SEND for printers with busy on pin 11 4 On connects pin 19 of connector to A S 4 s input of CLEAR TO SEND for printers with busy on pin 19 5 On connects pin 20 of connector to A S 4 s input of CLEAR TO SEND for devices with busy on pin 20 6 On connects pin 6 of connector to A S 4 s input of CARRIER DETECT 7 On connects pin 8 of connector to A S 4 s input of CARRIER DETECT 8 On connects pin 15 of connector to A S 4 s input of TRANSMIT CLOCK for Synchronous operation PROTOCOL CONVERTER MODEL A S 4 Switch Bank S3 Switch l On connects pin 2 of connector to A S 4 output of Transmit Data for attaching DCE devices 2 On connects pin 3 of connector to A S 4 s output of Transmit Data for attaching DTE devices 3 On connects pin 2 of connector to A S 4 s input of Receive Data for attaching DTE devices 4 On connects pin 3 of connector to A S 4 s input of Receive Data for attaching DCE devices 5 On connects pin 4 of connector to A S 4 s output of REOUEST TO SEND for attaching DCE devices 6 On connects pin 5 of connector to A S 4 s output of REQUEST TO SEND 7 On connects A S 4 s REQUEST TO SEND to A S 4 s CLEAR TO SEND so that no external signals are needed Used for Burroughs TDI and non hardware throttle de
9. A S 4 Pins 2 8 and 20 are required 6 Plug an RS232 C cable from the modem or IBM host into the modem connector Pins 2 8 15 17 and 20 are required After the above procedure has been completed the A S 4 should have three lights on the power TCTS and TCD If these lights are not all on the A S 4 unit will not communicate with the VDU host properly Refer to Section 11 0 Trouble Shooting Problems and Odd Installation Problems if all three lights will not come on With all three lights on the A S 4 is waiting for the letter S from the VDU for auto speed detection if the option is enabled The operator types lower or upper case S and the A S 4 will calculate the baud rate and send out a power up message The A S 4 is capable of detecting baud rates of 300 1200 1800 2400 4800 and 9600 If the speed detect option is off the A S 4 will send out the power up message two or three seconds after the three lights come on at the baud rate set by switches SW6 refer to Section 4 1 Terminal Switches If the power up message does not look like Figure 1 check the option switch SW9 or refer to Section 13 0 Trouble Shooting Problems and Odd Installation Problems If the message MEMORY ERROR Ul3 or U14 is displayed refer to section 13 to determine if the A S 4 is defective E 31 7 CHAPTER 6 Power Up and Configuration Menu Options 6 2 Power Up Message The A S 4 sends out the message in Figure 1 on power up or the raising of DT
10. On MCTS Modem Clear to Send MCD Modem Carrier Detect MRX Modem Receive Data MTX Modem Transmit Data Flashes as data is transmitted by the A S 4 out the terminal port Flashes as data is received by the A S 4 from the terminal port Lights when the A S 4 s input of Carrier Detect is high on the terminal port This light must be on while TRX is flashing for A S 4 to process received data Lights when the A S 4 s input of Clear to Send is high on the terminal port This light must be on for the A S 4 to transmit data on the terminal port Error Condition Exists Memory error bad received block check or buffer overflow Lights when the A S 4 is plugged in and the 5 Volt power supply is ok Lights when the A S 4 s input of Clear to Send is high on the modem port This light must be on for the A S 4 to transmit data on the modem port Lights when the A S 4 s input of Carrier Detect is high on the modem port This light must be on while the MRX is flashing for the A S 4 to process received data Flashes as data is received by the A S 4 from the modem port Flashes as data is transmitted by the A S 4 out the modem port PROTOCOL CONVERTER MODEL A S 4 6 Power Up and Configuration Menu Operations The A S 4 unit options are mainly set by the operator through the use of menus The A S 4 provides a very flexible package of options so to allow any VDU to operate like an IBM 3278 terminal and an IBM 3287 printer or a 3770 work stati
11. PRT logon field is disabled by entering a carriage return as the first character of the PRT logon field P VDU PRT Auto Signon Msg This 80 character message can be changed by entering the letter P followed by the signon message containing any printable ASCII character X 20 X 7F This carriage return X 0D character terminates the signon message This message if selected will be sent by the VDU LU and PRT LU to the host after a LU to LU session is established for the respected LUs Entering a carriage return as the first character of the message will disable the auto signon NOTE The auto logon and signon messages cannot contain any character used only in EBCDIC e g cent character X 4A 6 12 Printer Options Selection of item I from the main menu will cause the menu in Figure 17 to be displayed This menu is used to select default printer settings for the printer attached to the A S 4 Selection of B C and D are considered programmable in that the host computer can send 1 Set Horizontal Format SHF command to change the B Column Width 2 Set Vertical Format Density SVF command to change C Lines Per Page 3 Set Line Density SLD command to select a different D Lines Per Inch PROTOCOL CONVERTER MODEL A S 4 These new values if received from the host would then be sent to the printer if the G Start Char FORMS or K Start Char DENSITY are selected CURRENT Application SDLC SNA 3274 76 I
12. Problems and Odd Installation Problems 74 Appendix A 3274 SNA Communications Operations r 76 Appendix B General 3770 SNA Communication Operations 78 as da Gron M 80 PROTOCOL CONVERTER MODEL A S 4 1 General Information THE A S 4 is an SNA protocol converter It is capable of a wide variety of conversions and adaptation tasks Listed below are just a few of the tasks the A S 4 was designed to perform Bit oriented protocol SDLC Byte oriented protocol ASCII Serial Data Transfer and Conversion Screen Emulation of various CRIs Storage of prompting commands Protocol conversions Character conversions Communication conversions The 5 4 is also designed to be easily installed and operated The A S 4 hardware consists of the following components e 16K of available Static Random Access Memory RAM and 32K Non volatile Erasable Programmable Read Only Memory EPROM e Two 2 Input Output I O Serial interface ports capable of the following operations async byte sync or bit sync half or full duplex up to 19 2 bit per second data transfer automatic CRC generation and checking CRC 16 or CCITT 16 8 bit address recognition automatic zero bit insertion and deletion Data Terminal Equipment DTE or Data Communication Equipment DCE operations NRZI TDI or
13. S 4 2 Modem connected to host but LU inactive if the LU is inactive the A S 4 will display WAITING FOR LU TO COME ACTIVE The LU should come active after a few seconds of this message appearing on the VDU If the LU does not come active then one of the following problems may exist A Host is not polling PU Physical Unit Solution Have a network operator activate the PU and maybe the line also B PU address or station address is incorrect Solution Return to A S 4 menus and change PU address C LU address is incorrect Solution Return to A S 4 menus and change LU address After the LU comes Active the A S 4 will proceed to the following state Refer to Section 13 0 on Trouble Shooting if the LU will not activate for more information NOTE In states 1 and 2 typing any key will return A S 4 to it s Main Menu 3 Application running Interactive The A S 4 will refresh the VDU s screen with the last screen received from the host which could be blank Operation will then function as a 3278 CRT Batch The A S 4 will display the status of the LU on the status line but no previous data from the system will be displayed on the VDU Operation will then function as a 3770 work station CHAPTER 6 Power Up and Configuration Menu Options 6 5 Changing the VDU Type If the current VDU type displayed at the top of the A S 4 Main Menu does not match the VDU or VDU emulation package you have connected to the A S 4 you
14. VDU 5 4 9s 9 1 1 15T CHAR FROM VDU DEVICE INDICATOR 0 CARD ONLY INPUT FROM VDU 0 ECHO INPUT TO VDU CUSTOMER OPTIONS B BIT 7 6 5 USE DLE X 10 CHAR TO PRECEDE TRANSPARENT CONTROL CHARS As 3 2 a 1 amp 0 LU TYPE 1 2 OR 3 PROTOCOL 08 ASYNC ASCII OUTBOUND PRT LU ASYNC BAUD RATE 1200 BAUD WORD LENGTH 8 DATA BITS NO PARITY CHAR OPTION XON OFF OFF ASCII CHARACTERS LU ADDRESS CUSTOMER OPTION A BIT 7 TERMINATE MESSAGE TO PRT ON 1 END OF CHAIN 0 END OF BRACKET CUSTOMER OPTION B 7 6 5 4 PROTOCOL CONVERTER MODEL A S 4 BYTE 24 25 26 21 28 29 30 31 32 DEFAULT continued 08 00 03 00 01 00 04 00 01 1 amp 0 LU 1 2 OR 3 PROTOCOL 08 ASYNC ASCII INBOUND LU XFR CHAR OPTION NOT USED LU ADDRESS NOT USED CUSTOMER OPTION C BIT 7 6 CUSTOMER OPTION D BIT 7 6 5 4 Pa 9 amp 0 TYPE NOT USED OUTBOUND LU CHAR OPTION NOT USED LU ADDRESS NOT USED CUSTOMER OPTION C BIT 7 6 CUSTOMER OPTION D BIT 7 6 5 4 EU J CHAPTER 8 Batch Operation BYTE DEFAULT continued 1 amp 0 LU NOT USED xk APPLICATION OPTIONS 33 C553 DEFAULT CRT ASCII STANDARD VT100 C513 IBM 3101 C5D3 LEAR SIEGLER ADM 3A C593 TELEVIDEO 910 THRU 950 C613 IBM PC 3270
15. amp NUMTPBF nnn amp PRTRANS YES Number of JESX Data Communications Buffers Print Line Translation Option looks for chars less than X 40 and if so sends data as transparent Option not supported 1 Option determined by max RU size 5 4 availablebuffer size 2100 characters 2 Option is available but not installed 3 Option selected by A S 4 switch settings The following is a copy of the suggested LOGMODE table for use by the A S 4 RJEMODE BATCH MLUI MLU2 MLU3 INTERACT NOCOMP COMP BUF512 BUF256 COMPACT MODETAB MODEENT LOGMODE BATCH FMPROF X 03 TSPROF X 03 PRIPROT X A3 SECPROT X Al COMPROT X 7080 MODEENT LOGMODE MLU1 FMPROF X 03 TSPROF X 03 PSNDPAC 2 SRCVPAC 1 PRIPROT X A8 SECPROT X A1 COMPROT X 7080 MODEENT LOGMODE MLU2 FMPROF X 03 TSPROF X 03 PSNDPAC 4 SRCVPAC 2 PRIPROT X A3 SECPROT X A1 COMPROT X 7080 MODEENT LOGMODE MLU3 FMPROF X 03 TSPROF X 03 PSNDPAC 6 SRCVPAC 3 PRIPROT X A3 SECPROT X A1 COMPROT X 7080 MODEENT LOGMODE INTERACT FMPROF X 03 TSPROF X 03 PRIPROT X Bl1 SECPROT X A0 COMPROT X 3040 MODEENT LOGMODE NOCOMP FMPROF X 03 TSPROF X 03 PRIPROT X Al SECPROT X Al COMPROT X 7080 MODEENT LOGMODE COMP FMPROF X 03 TSPROF X 03 PRIPROT X A3 SECPROT X Al COMPROT X 7080
16. attached to the terminal port in a dial up configuration Causes A S 4 to drop DTR to device connected to modem port Used to disconnect a modem attached to the modem port in a dial up configuration Used to shift between Dual Upper amp Lower Case and Mono Upper Case only Allows cent key to be sent to IBM host since most VDU s do not have a cent key Used to redisplay current screen Used when VDU is attached to terminal port through dial up modem and garbage has been displayed on screen Print VDU screen on printer Allows stopping of printer to align forms and then starting again Causes a blank line to be inserted at cursor location Causes a line of data to be deleted at cursor location Causes a Null Character to be inserted at cursor location Causes a data character to be deleted at cursor location Keys used only during interactive application not used in batch CHAPTER 6 Power Up and Configuration Menu Options 6 10 Changing Application The A S 4 is shipped from the factory to power up in the SDLC SNA 3274 76 Interactive mode of operation The current mode of operation can be determined by looking at the top of the main menu as in Figure 14 it is Interactive To change to Batch operation the operator types the letter G in response to the main menu The main menu will then be redisplayed with SDLC SNA 3776 7 Batch at the current application location on the main menu To go back to interactive
17. input of Receive Data for attaching DCE devices 5 On connects pin 4 of connector to A S 4 s output of REOUEST TO SEND for attaching DCE devices 6 On connects pin 5 of connector to A S 4 s output of REQUEST TO SEND 7 On connects A S 4 s REQUEST TO SEND to A S 4 s CLEAR TO SEND so that no external signals are needed Used for Burroughs TDI and non hardware throttle devices 8 On connects pins 4 and 5 of connector so external devices throttle itself Switch Bank S7 Switch 1 On supplies internal clocking for A S 4 s input of ransmit Clock 2 On connects pin 17 of connector to A S 4 s input of Receive Clock for synchronous operation 3 On supplies internal clocking for A S 4 s input of Receive Clock 4 On connects pin 20 of connector to A S 4 s output of DATA TERMINAL READY for attaching DCE devices 5 On connects pin 20 of connector to A S 4 s input of CARRIER DETECT 6 On supplies 1X clock for internal modem port use 7 8 9 and 10 reserved Switch Bank S6 Switch 6 On supplies 16X clock for internal modem port use for synchronization of synchronous data over async modems CHAPTER 4 Switches 4 4 How to Set Modem Port Switches for Different Devices DEVICES ASYNC MODEM SYNC MODEM FRONT END PROCESSOR 1 1 1 2 OFF 3 OFF 4 OFF Ae EI Co In NIS lor O IO lo ai zi ZIZ 5 OFF 7 OFF 8 OFF 8 ON Switch 5 1 OFF Switch 5 2 OFF 3 OFF 4 OFF 6 OFF 7
18. to a VDU s auxiliary printer port where the VDU is directly connected to the terminal port of the A S 4 This mode of operation allows the VDU to run at a faster baud rate than it s attached printer Having two LUs active one for inbound to host data and an outbound from host LU will increase the speed of the printer and also allow the VDU to start or stop jobs interrupt the printer or allow a card device to send a job in to the host while a Job is being printed Software or hardware throttle is supported 3 Printer attached with the special Y VDU Printer cable The VDU and printer must run at the same baud rate in this setup and hardware throttle is the only way to control the flow of data to the printer XON OFF not supported When using the Y cable the VDU will be able to receive data while the printer is off line replacing paper or throttling This configuration is very similar to item 2 with two LUs active which allows the VDU to control the printer In this mode the VDU PC or computer can go offline and run applications while the printer is receiving data from the SNA host as long as the VDU supplies Data Terminal Ready DTR pin 20 to the A S 4 PROTOCOL CONVERTER MODEL A S 4 8 4 Batch Default Options The A S 4 has the capability of loading all it s Batch options from the VDU computer without going through any menus This is done by receiving the shift out X OE character followed by the options selected in hex
19. type G again The current mode of operation is protected in non volatile RAM so that on power up it will return to the last operating state 6 11 Changing Application Options Selection of item H from the main menu will cause the menu shown in Figure 15 or 16 to be displayed The A S 4 is shipped from the factory to power up in the SDLC SNA 3274 76 Interactive mode of operation Selection of item H from the menu shown in Figure 2 will cause the menu shown in Figure 15 to be displayed Figure 16 shows the application options for the A S 4 when selected to run in the SDLC SNA 3776 77 Batch mode CURRENT Application SDLC SNA 3274 76 Interactive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 Keyboard STANDARD Change Application Options A Exit B XID 018085B8 C PU Addr F7 D SDLC Baud Rate 1200 E XON OFF Both F VDU LU Addr 02 G PRT LU Addr 03 H PRT LU Type 03 Enter Letter Figure 15 PROTOCOL CONVERTER MODEL A S 4 6 11 1 CHANGING INTERACTIVE APPLICATION OPTIONS The change Application menu allows 8 operations as described below A B Exit By entering the letter A the A S 4 will return to the Main Menu XID By entering a B the operator is able to change the A S 4 SDLC control unit identifier Only hexadecimal numbers are allowed to be entered for this selection the first two digits are fixed at 01 The next character indicates what type of device the A S 4 723274 82 3276 02377
20. 16 PF17 1 18 PF19 PF20 i 1 DUAL 1 1 1 1 1 1 1 LOCAL PRINT i NEW 1 1 X V PF21 PF22 PF23 PF24 1 PA2 RESTR DISC DISC RE DOWN ENTER LSNAP SDLC VDU DSPLY ARROW SPACE BAR _ BOLD PRINT CONTROL CMDS NORMAL PRINT ESCAPE CMDS A S 4 Standard Keyboard Layout E h 1015 tion Menu Opt igura Power Up and Conf p Qz A ns xq lt lt IBM PC Keyboard Layout COLL EE ADM 1178 Keyboard Layout at u lt E as ec gt P e 4 E e Vul e E e cec 1015 tion Menu Opt gt al 2 T e NEN 2 seem dab ae a T p Cab E M oe C O as eT m lt IBM 3101 Keyboard Layout _ _ LL AE Y PNS Keyboard Layout at lt E e ec ec gt e 4 E e e E e ec CHAPTER 6 Power Up and Configuration Menu Options 6 8 Changing Keyboard Layout Type Dy selecting E from the main menu the menu shown in Figure 8 is obtained This is used to select the specific keyboard mapp
21. 3198 2 OFF 2 OFF 3 ON 3 ON 4OFF 4ON 40FR OFF S so som s L NI OKIDATA Products Busy on 11 CHAPTER 4 Switches SW6 7 8 9 10 BAUD RATE NOTE Baud Rate selection has no effect 1f Terminal Speed Detect is selected 4 3 Modem Switches Modem port switches for Female DB25 Modem Connector Switch Bank S4 Switch 1 On connects pin 4 of connector to A S 4 s input of CLEAR TO SEND 2 On connects pin 5 of connector to A S 4 s input of CLEAR TO SEND for attaching DCE devices 3 On connects pins 25 on both terminal and modem connectors to 5 volts DC 4 On connects pin 19 of connector to A S 4 s input of CLEAR TO SEND for printers with busy on pin 19 5 On connects pin 20 of the connector to A S 4 s input of CLEAR TO SEND for devices with busy on pin 20 6 On connects pin 6 of connector to A S 4 s input of CARRIER DETECT 7 On connects pin 8 of connector to A S 4 s input of CARRIER DETECT 8 On connects pin 15 of connector to A S 4 s input of lransmit Clock for synchronous operation PROTOCOL CONVERTER MODEL A S 4 Switch Bank S5 Switch l On connects pin 2 of connector to A S 4 output of Transmit Data for attaching DCE devices 2 On connects pin 3 of connector to A S 4 s output of Transmit Data for attaching DTE devices 3 On connects pin 2 of connector to A S 4 s input of Receive Data for attaching DTE devices 4 On connects pin 3 of connector to A S 4 s
22. 4 150 300 600 1200 1800 2000 2400 3600 4800 7200 9600 19 2 kbps Connectors All ports DB25 25 pin female Indicators Power Terminal Transmit Data Terminal Receive Data Terminal Carrier Detect Terminal Clear to Send Modem Transmit Data Modem Receive Data Modem Carrier DetectModem Clear To Send Error Environmental Operating Temperature 32 to 122 F 0 to 50 C Storage Temperature 13 to 158 F 25 to 70 C Humidity Up to 95 relative humidity without condensation Power 99 130 VAC or 200 230 VAC with a special order transformer 50 or 60 Hz with 596 tolerance Less than 10 watts of power consumption Size 1 5 H x 6 5 W x 8 25 D 3 8 x 15 2 x 21 cm Weight 5 lb 1 36 kg includes frame and cover 3 Installation 3 1 General Installation The A S 4 s options are set by the operator through the use of menus and switches The A S 4 provides a very flexible package of options so as to work with any terminal or terminal emulating device such as a personal computer Due to the great numbers of options provided it may take a little time to set up the A S 4 unit however once complete the options need not be set up again All options are battery protected for when the unit is turned off The A S 4 uses external switches and easy to use menu driven Set up features The 5 4 is shipped from the factory ready to run with no changes if a DTE device VDU Personal Computer etc is attached to the A S 4 s
23. 74 1 3774P 2 377 and 3 3776 77 PU Addr To change the units physical unit address enter C Only hexadecimal numbers are allowed to be entered for this selection addresses x 00 SSCP address and x FF Global SDLC address can not be used SDLC Baud Rate By entering a D the operator can select the baud rate at which the host will transmit and receive data from the A S 4 This selection is only used when running SDLC over asynchronous modems or when the A S 4 is supplying clocks to a front end processor After entering the letter D the current baud rate will be displayed To change it enter the letter Y which will scroll pass each selectable baud rate when the correct rate is displayed entering any key other than the Y will save the new baud rate NOTE SDLC baud rate has no effect when running with synchronous modems XON OFF Entering an E allows the selecting of the XON DC3 XOFF protocol on the A S 4 s terminal port This protocol can be used TO the unit or FROM the unit or in BOTH directions To disable the XON OFF protocol select the option for OFF by the use of the letter Y entering any key will save the selection This protocol is used so the A S 4 or the attached async device will not overflow each others buffers with data If the A S 4 has room to store only 20 characters from the VDU the unit will drop it s RTS signal can be connected to pin 4 5 11 19 or 20 of connector and send an XOF
24. A command to set 8 LPI Printer Options Menu settings H Multiple xxx X inches xxx 001 K Start Char DENSITY ESC L Separator Char DENSITY CTL O M Final Char DENSITY CTL O ESC 90 GENICOM 3000 command to set 8 LPI Printer Options Menu Settings X inches xxx 720 K Start Char DENSITY ESC L Separator Char DENSITY space M Final Char DENSITY G 6 13 Verify Switch Settings To check the settings of the switches used for the terminal s baud rate data bits parity and other selections enter the letter J in response to the Main Menu The Verify Switch Settings menu will then be displayed on your screen as in Figure 18 CURRENT Application SDLC SNA 3274 76 Interactive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 Keyboard STANDARD Verify Switch Settings A Exit B Restart With New Switch Options SWITCH SETTINGS SW6 NOs 07 10 E SW7 NOs 07 10 F SW8 NOs 01 08 FF 0B SW9 NOs 01 08 Figure 18 PROTOCOL CONVERTER MODEL A S 4 The Verify Switch Settings menu allows 2 operations as described below A Exit By entering the letter A the A S 4 will return to the Main Menu D Restart With New Switch Options When a B is typed and he A S 4 will start over just like the power has been turned off and then on When the A S 4 goes through power up all switches displayed in the menu will be read and serviced The Verify Switch Settings menu will
25. CMD CMD EOD FORMAT BAL USSPARM PARM APPLID USSPARM PARM TYPE DEFAULT UNCOND USSPARM PARM HOLD DEFAULT NO SIGNOFF USSCMD CMD SIGNOFF FORMAT BAL USSPARM PARM APPLID USSPARM PARM TYPE DEFAULT COND USSPARM PARM HOLD DEFAULT YES USSEND END PROTOCOL CONVERTER MODEL A S 4 13 Troubleshooting Problems and Odd Installation Problems Listed below are some of the common problems found with installation and operation of the A S 4 unit Find the problem you are experiencing and try the remedies listed to fix the problem PROBLEM SYMPTOM POSSIBLE REMEDIES 1 No Power Power light on front of A S 4 is OFF 2 No power up TCTS light is off on message front oF A S 4 TCTS light is on and TTX light does not blink when power is applied to the A S 4 unit a check wall power out let for proper operation b Check to make sure the power transformer for the A S 4 is plugged into the wall and into the unit all the way a A S 4 Switches SW2 SW3 and SW6 for terminal port are not set correctly refer to Section 4 in manual b Terminal device does not supply DTR if modem device is hooked to terminal port it does not supply DSR Turn on SW6 4 so A S 4 unit will supply DTR if modem device turn on SW6 5 so A S 4 unit will supply DSR a Speed detect option is on type S to get power up message b Typing 5 for speed option still does not give power up message Baud rate cannot be matched by speed de
26. Char FORMS This two character command can be changed by entering the letter G followed by any ASCII control character X 00 X 20 for the first character and any ASCII character for the second one Entering a space character as the first character of the command will disable this option The Start character 15 used in conjunction with the multiple separator and final forms characters to change or set the attached printer s programmable settings refer to section 6 12 1 for details Multiple xxx Three character command can be changed by entering the letter H followed by a space or any decimal digit 0 9 Entering a space as the first character will turn off this option This option in conjunction with the Start Char FORMS Separator and final forms character can change or set the printer s programmable settings The Multiple value is also used with the Start Char DENSITY Separator and final density characters to change or set the printer s lines per inch setting Refer to Section 6 12 1 for details I Separator Char By entering the letter I followed by a single ASCII character will change the character sent after the Start FORMS character to set the printer s programmable settings The separator character will not be sent if set for a null CTL O this can be done by using the terminal s Break key Refer to Section 6 12 1 for details J Final Char This single character value is sent after the Forms Separator character to set the print
27. F character if option is set for FROM or BOTH When the A S 4 is sending data to the VDU the VDU can stop the flow by dropping it s signal connected to the A S 4 CTS or by sending a XOFF character if the 5 4 XON XOFF option is set for TO or BOTH VDU LU Addr The VDU LU address can be changed by entering the letter For this selection only hexadecimal numbers are allowed to be entered from the range of X 01 to X FF but for most installations the address range of the specific type of control unit is as follows IBM 3274 X 02 X 2 IBM 3276 X 02 X 09 IBM 3776 Model 4 X 01 06 NOTE Do not set the VDU and PRT LU addresses to the same values CHAPTER 6 Power Up and Configuration Menu Options G PRT LU Addr By entering a G the operator can select which LU s data will go to the printer attached to the A S 4 s terminal port Selection of this address is done the same as for the VDU LU addr above PRT LU Type The printer LU type is changed by entering the letter which causes the LU type to toggle between type 1 and 5 3 print data 1s preceded with a Write command followed by a WCC with the start printer bit set Type 1 data doesn t have this Write command or WCC in its data CURRENT Application SDLC SNA 3776 77 Batch VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 Keyboard STANDARD Change Application Options A Exit B XID 01300FF
28. Field Mark D ESC 7 or Erase EOF E ESC 6 or Erase Input F ESC 5 or Insert Mode G ESC or dent H CTL P or Cursor Select I ESC M or Device Cancel J ESC 8 or System Request K ESC 0 or Reset Enter Letter Figure 13 6 9 5 A S 4 KEYS Selection of item F from the menu shown in figure 9 will cause the menu shown in figure 14 to be displayed Key changes are performed in the same manner as the PF key changes CURRENT Application SDLC SNA 3274 76 Interactive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 keyboard STANDARD Change Protocol Converter Keys Keys on VDU to Perform Function A Exit B CTL Z OR Restart Protocol Converter C CTL C or Disc VDU D CTL X or Disc SDLC E CTL A or Dual or Mono Case F ESC or Cent Key G CTL V or Redisplay Screen H CTL D or Local Print I CTL F or Stop Start Print J ESC 2 or Line Insert K ESC or Line Delete L ESC 4 or Char Insert M ESC 3 or Char Delete Enter Letter Figure 14 PROTOCOL CONVERTER MODEL A S 4 The functions of the A S 4 Keys are as follows Restart Protocol Converter Disconnect VDU Disconnect SDLC Dual or Mono Case Cent Key Redisplay Screen Local Print Stop Start Print Line Insert Line Delete Character Insert Character Delete Jump to A S 4 s main menu for option changes Causes A S 4 to drop DTR to device connected to terminal port Used to disconnect a modem
29. In order to access these menus SW9 6 must be in the ON position see Section 4 5 All options are stored in battery protected RAM so that they need not be reconfigured in the event of interruption of AC power to the unit At the beginning of every A S 4 menu are the current main three options the application VDU and keyboard The application option informs you of which keyboard layout the A S 4 will use when running SDLC SNA The A S 4 Main Menu is shown in Figure 2 This menu coordinates the changing of the many A S 4 options into main categories VDU Selection VDU commands VDU video commands keyboard selection keys on keyboard arrangement application application options printer options and verification of switch settings CURRENT Application SDLC SNA 3274 76 Interactive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 Keyboard Standard PROTOCOL CONVERTER MAIN MENU A RUN NO CHANGES ELSE CHANGE B VDU C VDU Commands D VDU Video Commands E Keyboard F Keys arrangement G Application H Application Options I Printer Options J Verify Switch Settings K Reload Default Options Enter Letter Figure 2 CHAPTER 6 Power Up and Configuration Menu Options The input allowed at this menu is one letter A thru so to run or change an option Listed below is a brief description of what each letter gives you access to refer to the section listed for more details Letter Section Description
30. MODEENT LOGMODE BUF512 FMPROF X 03 TSPROF X 03 RUSIZES X 8686 PRIPROT X A3 SECPROT X A3 COMPROT X 7080 MODEENT LOGMODE BUF256 FMPROF X 03 TSPROF X 03 RUSIZES X 8585 PRIPROT X A3 SECPROT X A3 COMPROT X 7080 MODEENT LOGMODE COMPACT FMPROF X 03 TSPROF X 03 RUSIZES X 8585 PSERVIC X 01106000F100808000010040 PRIPROT X A3 SECPROT X Al COMPROT X 7080 MODEEND END uu 4L 7 CHAPTER 12 System Line Gen for Batch The following is a copy of the suggested USSTAB table for use by the A S 4 RJEINCDT USSTAB LOG USSCMD CMD LOGON REP LOGON FORMAT BAL USSPARM PARM P1 REP APPLID USSPARM PARM P2 REP LOGMODE USSPARM PARM P3 REP DATA SIGNON USSCMD CMD SIGNON REP LOGON FORMAT BAL USSPARM PARM APPLID DEFAULT JES2 USSPARM PARM LOGMODE DEFAULT BUF512 USSPARM PARM USER REP DATA RMT101 USSCMD CMD RMT101 REP LOGON FORMAT BAL USSPARM PARM APPLID DEFAULT JES2 USSPARM PARM LOGMODE DEFAULT BUF512 USSPARM PARM DATA REP RMT101 RMT102 USS CMD RMT102 REP LOGON FORMAT BAL USSPARM PARM APPLID DEFAULT JES2 USSPARM PARM LOGMODE DEFAULT BATCH USSPARM PARM DATA REP RMT102 RMT103 USSCMD CMD RMT103 REP LOGON FORMAT BAL USSPARM PARM APPLID DEFAULT JES2 USSPARM PARM LOGMODE DEFAULT MOCOMP USSPARM PARM DATA REP RMT103 LOGOFF USSCMD CMD LOGOFF FORMAT BAL USSPARM PARM APPLID USSPARM PARM TYPE DEFAULT COMD USSPARM PARM HOLD DEFAULT YES EOD USS
31. MPACT n START NOSEP SELECT PUNCHI Rnnn RD1 CLASS C 1 C n MSGCLASS C n NOHOLD NOSEP START PRDEST PRIOINC PRIOLIM I PRLCL PRNODE PRRMT PUNCH ATTACHED TO 3776 SNA Remote Punch one Number of cards to be punched per logical page Punch is active Device is a card punch with a sub address of zero READER ATTACHED TO 3776 SNA Remote Card Reader one Card reader active o v o J 9 PUDEST 0 PULCL PUNODE XEONODE LINEnnn ADISCON CODEA COMP EBCDIC IFACEA LOWSPEED PASSWORD cccccccc TRANSP UNIT SNA APPLID JES2 COMPACT n n PASSWORD cccccccc amp MAXSESS 1 amp NUMBUFF nnn amp NUMCMBS nnn amp NUMJOES nnn amp NUMLNES nnn amp NUMRJE nnn CHAPTER 12 System Line Gen for Batch LINE Line number EBCDIC character code Line supports transparent data JES2 SYSTEM WIDE PARAMETERS Name used in logon and in VIAM configuration list compaction tables VTAM password for JESX Number of active sessions at any point in time JESX I O buffer count Number of JESX Console Buffers Number of Job Output Elements Number of Data Communication Lines should equal the largest LINEnnn Number of Remote Job Definitions should equal the largest terminal ID number RMTnnn PROTOCOL CONVERTER MODEL A S 4
32. Multiple xxx X inches xxx 001 I Separator Char CTL O J Final Char CTL O b Set Vertical Format SVF command defines the maximum presentation line MPL top margin TM bottom margin BM and up to six vertical tab stops for a page of print At the present time the only value passed on to the printer by the A S 4 is the MPL lines per page and is done so by the use of the Forms commands set up in the Printer Options menu When the SVF is received the new values overrides any default values set by the printer option menu and the new forms value is sent to the printer If the Start Char FORMS is disabled the new values are not sent to the printer The following is an example of setting the printers page length of 11 inches ESC 7920 GENICOM 3000 command to set 11 inch page Printer Options Menu settings G Start Char FORMS ESC H Multiple xxx X inches xxx 720 I Separator Char CTL O J Final Char r c Set Line Density SLD specifies the LPI distance to be moved for a single line vertical spacing as in NL or LF When the SLD is received the new value overrides any default lines per inch LPI value set by the printer options menu and the new LPI value is then sent to the printer If the Start Char DENSITY is disabled the new values are not sent to the printer E CHAPTER 6 Power Up and Configuration Menu Options The following is an example of setting the printer for 8 lines per inch ESC 8 OKI Microline 83
33. OFF 7 OFF 8 OFF 8 ON 6 OFF 3 OFF 50 70 Modem port baud rate is selected byH application options menu PROTOCOL CONVERTER MODEL A S 4 4 5 Option Switches Switch Bank S8 Switch 1 RESERVED 2 RESERVED 3 RESERVED 4 RESERVED 5 RESERVED 6 RESERVED 7 RESERVED 8 RESERVED 9 On connects pins 9 on both terminal and modem connectors to 10 Volts DC 10 On connects pins 10 on both terminal and modem connectors to 10 Volts DC Switch Bank S9 Switch Switch Number KN 0 I oc Ov gt OO Function Terminal Port Data Bits Reset Default Options on Reset Single or Multi LU VDU Printer Y Interface Terminal Speed Detection Option Change on Power Up Terminal Parity Type Terminal Parity TDI Transmit TDI Receive Switch Setting ON OFF dr 8 NO YES Multi Single Disable Enable DISABLE ENABLE YES NO Odd Even DISABLE ENABLE ENABLE DISABLE ENABLE DISABLE Factory Set ng CHAPTER 5 LED Indicator 5 LED Indicator The front of A S 4 enclosure provides 10 light emitting diodes LED indicators The indicators are arranged and labeled in the following order from left to right TTX TCD TCTS ERROR POWER MCTS MCD MRX MIX TIX Terminal Transmit Data TRX Terminal Receive Data TCD Terminal Carrier Detect TCTS Terminal Clear To Send ERROR Error Condition POWER Power
34. PENDIX A 3274 SNA Communication Operations NOTE Some applications may not send a welcome message The operator must send the first message to start the transactions 8 After the operator has finished working he should signoff the application The system will then UNBIND the CRT so that the CRT and applications are no longer communicating with each other This leaves the CRT available for an operator to logon to another application The 3274 controller will usually clear the CRT when this happens SSCP will then send an enter request logon message which puts the CRT back to step 4 so as to start things over again PROTOCOL CONVERTER MODEL A S 4 Appendix B General 3770 SNA Communication Operations This appendix is intended to give a basic description of the System Network Architecture SNA operation for an IBM 3776 77 Model 3 and 4 multiple logical unit MLU work station in the area of remote communications The 3776 77 Model 3 and 4 is a stand alone work station consisting of 1 console with keyboard and display 2 console mounted line printer with optional card reader and line printer SNA calls the controller port a PU Physical Unit and the attached printers consoles card readers and disk LUs Logical Unit Communications with the host computer and the work station basically follows the following steps 1 The line is activated This means a phone line is established between the host computer and the work sta
35. PROTECTED ALPHANUMERIC LOW INTENSITY ZUNPROTECTED ALPHANUMERIC HIGH INTENSITY G UNPROTECTED NUMERIC LOW INTENSITY H ZUNPROTECTED NUMERIC HIGH INTENSITY E Il ZPROTECTED ALPHANUMERIC LOW INTENSITY J PROTECTED ALPHANUMERIC HIGH INTENSITY K PROTECTED NUMERIC LOW INTENSITY L PROTECTED NUMERIC HIGH INTENSITY M NONDISPLAY amp NONPRINT Enter Letter Figure 7 The host CPU can send commands to its terminals to define how the video display will be printed An example is a display using highlighted areas for data entry The A S 4 can perform this type of display presentation for almost any terminal In operation the A S 4 intercepts the host video commands and translates them into the commands that the attached VDU needs to perform the function If you are using special displays then you must use selections B C and D to set up your display attributes Consult your VDU users manual to determine which characters are used to create the type display you need and enter those characters in the fields as needed CHAPTER 6 Power Up and Configuration Menu Options The general format of a video command to a VDU is as follows ESC X Y Z Start of video cmd Middle of video cmd nd of video cmd X Y and Z represent ASCII characters The end of video command may not be necessary and therefore displayed as a blank Items B C and E through M can be defined using the format shown above Item D diffe
36. R DATA TERMINAL READY on the terminal device This message informs the operator that the 5 4 is ready to try to match the operator s terminal or terminal emulation package with the VDU VISUAL DISPLAY UNIT listin the memory The operator may now type the HOME key on his her terminal so that the A S 4 may match the VDU device with the internal VDU list so that the clear screen home cursor position cursor commands etc to the VDU will be correct If no match occurs the A S 4 defaults to the IBM 3101 VDU command set This is not a problem if your VDU is not an IBM 3101 as you may change the VDU by the use of menus If your terminal does not have a home key you may hit the space bar and set up the VDU by the menus Hit ng the space bar leaves the internal VDU the same as the last VDU used with the A S 4 After typing space or HOME the A S 4 will output the A S 4 s main menu If a VDU match did occur the screen will clear before the main menu is displayed otherwise the VDU device will scroll Type Home for VDU Match or Space version 01 030986 Figure 1 The version number in Figure 1 reveals the current firmware level executing in the A S 4 In this example the firmware is level 1 of program on date 3 03 86 PROTOCOL CONVERTER MODEL A S 4 6 3 A S 4 Main Menu A set of menus are used to configure the A S 4 s options so that it will operate properly with the particular VDU and host to which it is connected
37. RS232C Power Data Send Receive and signal visual LED Indicators e 6809 Microprocessor control e 6 switch banks for changing RS232 NRZI and TDI pin assignments of the serial ports e 2 switch banks for option selections CHAPTER 1 General Information The A S 4 is a 3274 work alike controller emulating a PU2 with 1 02 terminal and one LUI or LU3 printer This allows an ASCII terminal or micro computer to emulate a 3278 CRT with a 3278 printer The A S 4 will also emulate SNA SDLC 3776 or 3777 work station with one LUI console printer card reader card punch or disk It should be noted here that for purposes of simplicity this manual refers to CRIs and PCs with the generic acronym VDU Visual Display Unit Either port may be configured as data terminal equipment DTE or data communications equipment DCE This gives the system designer great flexibility in determining what type devices he will use and where the A S 4 can be installed The 5 4 is designed to ease installation by the end user Most of A S 4 s operating parameters address baud rate ID word structure video display type are SOFT They may be changed from the keyboard using Friendly menus to step you through the set up procedure Once programmed the A S 4 retains its settings in non volatile memory until changed by the user PROTOCOL CONVERTER MODEL A S 4 2 Specifications Standard and Nonstandard Baud Rates 50 75 110 13
38. SW6 5 so A S 4 unit will supply DSR Switches SW3 1 2 3 and 4 are not set correctly refer to Section 4 1 and 4 2 Switches SW2 8 and SW6 1 2 and are set incorrectly refer to Section 4 1 and 4 2 PROTOCOL CONVERTER MODEL A S 4 Appendix A 3274 SNA Communication Operations This appendix is intended to give a VDU operator the basic description of the System Network Architecture SNA for a 3278 CRT or like device in the area of remote communications First the 3278 CRT is connected to a 3274 controller that allows 32 3278 CRT s to communicate to an IBM mainframe computer SNA calls the 3274 controller a PU physical unit and the 3278 CRT a LU logical unit Communications with the host computer and the CRI basically follow the following steps 1 The line is activated This means a phone line is established between the host computer and the 3274 controller This maybe done by dialing a phone for dialup applications or having a host computer operator connect a leased phone line The PU is activated The host sends the first message down the phone line to the 3274 controller PU to tell it to start communications The 3274 controller then tells the host when it is ready to start The LUs are activated The host now tells all the 3278 CRTs LUs to start communications The CRIs then tell the host when they are ready to start SSCP System Services Control Point sends a message to the LU T
39. VE Table used by to interpret user logons VTAM sends 6 RUs to NCP before response LU comes up active can be INACTIVE APPLICATION VIAM PARAMETERS BUFFACT 10 TERMINAL 3776 RMTnnn LUTYPE 1 BUFFSIZE 256 if MAXDATA 265 512 if MAXDATA 521 NOCMPCT COMP or NOCOMP CONDEST nnn CONSOLE or NOCON DISCINTV 0 LINE nnn NUMPR 1 NUMPU 1 NUMRD 1 PASSWORD cccccccc ROUTECDE nn SETUPMSG SETUPINF Parameter used with BUFFLIM JESX Parameters SNA Remote Terminal Logical Unit type 1 use SCS data Buffer size of terminal LU Compaction may not be used on this terminal Blank and multiple character compression may or may not be used Console responses are to be directed to another terminal Device other than a console printer may or may not receive console messages Terminal disconnect on idle condition off Logical connection between JESX and the terminal Number of logical printers at terminal Number of logical card punches at terminal Number of logical card readers at terminal Line password Specify that input from this terminal will have the return desti nation specified Message telling operator to mount special forms Message telling operator to mount special forms is displayed at his terminal and not at host console maybe SETUPACT to display message at host also WAITIME 01 Rnnn PRI OPERATOR CCTL CKPTLNS 0 CKPTPGS 0 che
40. adecimal form The VDU and A S 4 must be set to receive and transmit an 8 data bit word with no parity so all 8 bits of the hexadecimal characters are received Once all the new Batch default options are loaded the A S 4 is then automatically set to run in the Batch 3776 77 mode Below is the Batch options with its bit location BYTE DEFAULT SDLC MODEM PORT OPTIONS 1 17 BIT 7 6 5 amp 4 00 ASYNC 01 SYNC 3 THRU 0 BAUD RATE 0101 300 1100 4800 0110 600 1110 9600 0111 1900 1111 19 9K 1010 2400 9 0C 5 amp 4 STOP BITS 00 SYNC 01 1 1021 5 11 9 3 amp 2 WORD LENGTH 10 7 11 8 1 amp 0 PARITY X0 NONE 01 ODD 11 EVEN 3 00 BIT 6 amp 5 XON OFF 00 OFF 01 FROM VDU 10 TO VDU 11 1 amp 0 CHAR CODE 00 EBCDIC 01 ASCII 4 F7 SDLC PU ADDRESS 5 80 CUSTOMER OPTIONS A 6 09 CUSTOMER OPTIONS B 7 01 PROTOCOL 00 3274 76 01 3776 66 8 30 SDLC 3770 XID 9 OF 10 FF ASYNC TERMINAL PORT OPTIONS INBOUND VDU LU 11 07 ASYNC BAUD RATE 1200 BAUD SEE BYTE 1 12 0C WORD LENGTH 8 DATA BITS NO PARITY SEE BYTE 2 13 01 CHAR OPTION XON OFF OFF ASCII CHARACTERS EHE 1 bYIE 14 15 16 17 18 19 20 21 22 Zo ooo o CHAPTER 8 Batch Operation DEFAULT continued 01 31 21 08 07 0C 01 02 80 LU ADDRESS CUSTOMER OPTION A BIT 7 TERMINATE MESSAGE TO VDU ON 1 END OF CHAIN 0 END OF BRACKET 6 SEND FMH 2
41. age and if so positions paper to top of form by using CRLFs or the form feed character 10 Indicates start of SNA character string SCS characters following will be handled as described in Section 8 3 SHF SVF SLD and VCS command 11 Throw away this character and next one indicating number of transparent characters following data will not be converted to ASCII THW Throw Away Character APPENDIX C Conversion Charts EBCDIC to ASCI Character Conversion EBCDIC to ASCII EBCDIC TO ASCII RECV CONV PRT CONV PROTOCOL CONVERTER MODEL A S 4 EBCDIC to ASCII EBCDIC TO ASCII RECV CONV PRT CONV RECV CONV PRT CONV 40 SP 41 42 43 44 45 46 47 48 49 4A CENT 4B 4C 4D 4E 4F 50 amp 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F APPENDIX C Conversion Charts EBCDIC to ASCII EBCDIC TO ASCII RECV CONV PRT CONV PRT CONV PROTOCOL CONVERTER MODEL A S 4 EBCDIC to ASCII EBCDIC TO ASCII RECV CONV PRT CONV RECV CONV PRT CONV APPENDIX C Conversion Charts The following chart is the ASCII to EBCDIC character conversion chart Data received from the VDU in ASCII format is found in the RECV column and when the specific character is transmitted to the SNA host it will appear as described in the CONV column ASCII to EBCDIC Character Conversion ASCII to EBCDIC ASCII to EBCDIC RECV CONV PROTOCOL CONVERTER MODEL A S 4 ASCII t
42. be lost PROTOCOL CONVERTER MODEL A S 4 10 Maintenance The A S 4 is designed to perform all of its tasks with maintenance free operation You may prolong the life of the unit by cleaning any dust build up in the unit Dust may be removed by blowing and or brushing with a long bristle paint brush 1 Check to see if the power indicator light is ON Make sure the unit is plugged in 2 Check for loose cables and reconnect with retaining screws 3 Check equipment connected to A S 4 Modems CPU Terminals and etc for proper operation 4 Restart unit after the above has been checked by unplugging A S 4 and plugging it back in again Now check for proper operation CHAPTER 11 Software Upgrade and EPROM Replacement 11 Software Upgrade and EPROM Replacement Each EPROM has a label affixed to the top containing an address and the current data of the software in the IC To replace the old EPROM with the new EPROM follow the procedure below 1 Unplug the A S 4 and remove the cover by removing the 4 cover screws on the side and lifting the cover upwards Find the old EPROM on the electronic board It is the only chip with a label affixed to it Note the little notch at the end of the EPROM is toward the front of the box The new EPROMSs when inserted must also have the notch toward the front of the box Remove the EPROM by taking a flat head screwdriver a pocket knife or another flat edged instrumen
43. ckpoint CLASS C 1 C n CMPCT COMP COMPACT n START NOFCBLD LRECL 132 SEP NOSUSPND PRWIDTH 132 ROUTECDE nnn SELECT PRINTI UCS cccccccc CHAPTER 12 System Line Gen for Batch Number of seconds between completion of printing before JES will initialize print of the next output data set PRINTER ATTACHED TO 3776 SNA Remote Printer one Remote terminal operator uses a DF JES command to check the forms queue and than uses a TRPn F form Q class command to set the printer for special forms Carriage control chars are in the data stream xmitted to printer Maximum number of lines in a logical page Number of logical pages to be printed before each is taken Chain size is the logical page number Output class used to group all output of a particular type Specifies that printer has compaction capabilities Specifies that printer has compression expansion capabilities Default compaction table number Printer is active Printer cannot recv forms control buffer FCB images from host Logical record length of data xmitted to printer form host 3776 has a separate console than printer Not used for SNA devices Maximum number of characters to be printed on one line Route code for printer This device is a printer with a sub address of zero Not used for SNA devices PROTOCOL CONVERTER MODEL A S 4 Rnnn PUI OPERATOR CCTL CKPTLNS 100 CKPTPGS 10 CLASS C 1 C n CMPCT COMP CO
44. co BL ACK BOX E PC001 PC006 Protocol Converter Model A S 4 CUSTOMER Order toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 SUPPORT FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 INFORMATION Web site www blackbox com E mail info blackbox com FEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates uses and can radiate radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio communication It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart B of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when the equipment is operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This digital apparatus does not exceed the Class A limits for radio no
45. described above J Send FMH 2 to VDU Option can be toggled on or off by entering the letter J When this option is enabled YES a Function Management Header 2 received from the host is sent to the VDU for complete details refer to Section 8 1 on Batch operation Precede Ctl Chars with DLE By entering a this option can be toggled on or off This causes transparent control characters X 3F or less received from the host to be made a printable ASCII character by setting its two most significant bits This character then would be preceded with a DLE character X 10 before being sent to the VDU if option is set for YES This option also determines if data received from the VDU will be preceded by a DLE if the character is less than a X 20 space character L Echo Input By entering a L the operator can toggle this option on or off if he would like all characters transmitted by the VDU to the A S 4 sent back to the VDU M Card Input Data Only Option can be toggled on YES by entering an M which would cause all data received from the VDU to be transmitted to the host in card format by the inbound VDU LU With this option on no device indicator should be sent to the VDU When this option is off NO data received from the VDU must be preceded by a device indicator which determines what device console card printer or disk is sending the data to the host Refer to section 8 for more information o
46. display any change in the switches in the menu The change in the switch should be followed by the Restart command B to insure that the change has been acted upon NOTE The Verify Switch Settings menu will be displayed when running with the A S 4 PC card but the switches have no effect on the program running in the PC card because there are no switches on the PC card so the values displayed for the switches is actual data read from the PC memory 6 14 Reload Default Options By selecting item K from the main menu Section 6 3 the operator obtains the screen shown in Figure 19 which in turn can change all the options in the A S 4 to their defaults Entering any character other than a Y will return to the main menu without changing any options if a Y is entered the A S 4 will go through its power up routine as if the power to the unit was turned off and then on Reload Default Options If sure type Y ALL PAST WORK WILL BE LOST Figure 19 Refer to section 8 4 of Batch operation for the A S 4 s default options settings CHAPTER 7 Interactive Operation Interactive Operation The A S 4 operating in the Interactive mode emulates an IBM 3274 76 cluster controller with a single LU Type 2 terminal IBM 3278 and an IBM 3287 LU Type 1 or 3 printer The VDU LU assigned by the H Application Option menu is the terminal s IBM 3278 logical unit and the PRT LU is the printer s IBM 3287 logical unit With the combination o
47. e requested LUs to the application This establishes communication between the work station and the application The devices console printer readers disk are now considered to be in a LU to LU session The application usually sends an active session message to the console This allows the operator to run his application or transactions At this time the operator can down line load a job to the host receive a job from the host receive print ask for status of jobs running on the system and many other operations Kk oJ d APPENDIX B General 3770 SNA Communication Operations 8 After the operator has finished working he should signoff the application The system will UNBIND all the LUs from the host system so that the work station and application are no longer communicating with each other This leaves the work station available for an operator to logon to another application SSCP may send an enter request logon message which puts the work station back to step 4 so as to start things over again Batch Terms Function Management Header 1 FMH 1 is used to select a destination within an LU When sent by the A S 4 it indicates to the host which device card reader or console is sending data to the host used in the same way when host sends FMH 1 to the A S 4 Function Management Header 2 FMH 2 specifies the data management activities to be performed at the destination selected with the FMH 1 Typical data managem
48. ed by a VDU CMD or a Device OFF character E 1 L CHAPTER 8 Batch Operation 8 2 Transmitting Batch Data to the SNA Host To send data to the SNA computer the data from the VDU should look like this Device Selection Start or End of Special of File Control File 1 STX 2 3 Data 4 1 Start of File SOF character is selected by Application Options menu This single character command can be disabled turned off so that no SOF character needs to be received before handling the incoming data from the VDU 2 a Device selection character indicates which device card disk printer or console the data is from if the data is in transparent form and which Logical Unit LU should transmit the data to the SNA host This character is not sent to the SNA host The following is the Device Selection character with its assigned bits Bit 7 6 5 4 3 2 1 0 A A 1 1 A Y X X ___ 1 Outbound LU data 0 Inbound LU data l Transparent data XX 00 Console Data 0 Normal data 01 Disk Data 10 Card Data Parity bit can be 0 or 1 11 Printer Data Y Do Not Care Example Device selection character of 2 X 32 would cause the data to transmit to the SNA host as normal card data by the inbound VDU LU 2 b Special Control SC character precedes some types of data mentioned below 1 SO X OE character readies the A S 4 to receive new options following the SO cha
49. en enter the new value s in response to prompt S for the new value s The key sequences entered for the PF keys must be either control or escape sequences to work properly and any specific key sequence must be entered for only one key After a new value has been entered the menu will be redisplayed and will show the new value s CURRENT Application SDLC SNA 3274 76 Interactive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televdeo 970 960 Keyboard STANDARD Change PF Keys Keys Typed on VDU to Perform Function A Exit B ESC Q or ESC q PF1 C ESC W or ESC w PF2 E ESC R or ESC r PF4 G ESC Y or ESC y PF6 I ESC ESC i PF8 K ESC P or ESC P 0F10 M ESC S or ESC S PF12 O ESC F or ESC f PF14 Q ESC or ESC h PF16 S ESC K or ESC k PF18 U ESC or 20 W ESC X or ESC x Pf22 D ESC E or ESC e PF3 F ESC T or ESC t PF5 H ESC U or ESC u PF7 J ESC O or ESC o PF9 L ESC A or ESC a PF11 N ESC D or ESC d PF13 P ESC G or ESC g PF15 R ESC J or ESC j PF17 T ESC L or ESC I PF19 V ESC Z or ESC z PF21 X ESC C or ESC c PF23 Y ESC V or ESC v PF24 Enter Letter Figure 10 PROTOCOL CONVERTER MODEL A S 4 6 9 2 PA KEvs Selection of item C from the menu shown in figures 9 will cause the menu shown in figure 11 to be displayed Keys changes are performed in the same manner as the PF key changes CURRENT Application SDLC SNA 3274 76 interactive VDU ANSI STD DEC VT100 Teletype 5410 5420
50. ent activities are adding and replacing records numbers of copies to print and date data created PROTOCOL CONVERTER MODEL A S 4 Appendix C Conversion Charts The following pages contain the EBCDIC to ASCII Character conversion chart Characters under the heading are the EBCDIC characters received from the SNA host The ASCII equivalent is to the right under the CONV column When EBCDIC data is directed to the printer the characters will be changed as described under the PRT CONV column The following notes are used to clarify the charts 1 New Line Send carriage return line feed CRLF to VDU 2 Vertical Channel Select Sends one line feed to printer and throws away next character 3 Horizontal Tab Positions print head by using spaces to correct column to page if tabs setup by SHF command 4 Vertical Tab Positions page by using CRLFs to correct line if tabs setup by SVF command 5 Form Feed Sends form feed character or number of CRLFs if option set to position paper to top of page 6 Throws away this character and two following if printer selected for a LU Type 3 running in Interactive mode cursor positioning 7 Sends CRLF to printer checking for bottom of page and if so positions paper to top of form by using additional CRLFS or sending a form feed 8 Sends Backspace to printer if printhead positioned to column 2 or greater 9 Sends LF to printer checking for bottom of p
51. er ser referido a personal de servicio calificado El aparato el ctrico debe ser situado de tal manera que su posici n no interfiera su uso La colocaci n del aparato el ctrico sobre una cama sof alfombra o superficie similar puede bloquea la ventilaci n no se debe colocar en libreros o gabinetes que impidan el flujo de aire por los orificios de ventilaci n El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor El aparato el ctrico deber ser connectado a una fuente de poder s lo del tipo descrito en el instructivo de operaci n o como se indique en el aparato Precauci n debe ser tomada de tal manera que la tierra fisica y la polarizaci n del equipo no sea eliminada Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos poniendo particular atenci n a los contactos y recept culos donde salen del aparato El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante En caso de existir una antena externa deber ser localizada lejos de las lineas de energia El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u or
52. er s programmable settings The final character may be changed by entering the letter J followed by any ASCII character This final character is disabled by setting it to a null CTL O Refer to section 6 12 1 for more information on setting printers forms K Start Char DENSITY This two character command can be changed by entering the letter K followed by any ASCII control character X 00 X 20 for the first character and any ASCII character for the second one Entering a space for the first character of the command will disable this option The Start character is used in conjunction with the multiple separator and final density characters to change or set the attached printer s lines per inch setting refer to Section 6 12 1 for details L Separator Char By entering the letter L followed by a single ASCII character will change the character sent after the Start density character to set the printer s lines per inch setting The separator will not be sent if set for a null CTL Refer to section 6 12 1 for description of command usage M Final Char This single character value sent after the density separator character to set the printer s lines per inch setting may be changed by entering the letter M followed by any character This final character is disabled by setting it to a null CTL O See Section 6 12 1 for details on operation
53. es Fixed VDU types have the VDU commands characters hard coded into the A S 4 s firmware and require that your VDU or VDU emulator match those commands character for character Programmable VDU types have VDU command characters stored in battery protected memory so that command characters in the A S 4 be changed to match the operator VDU or VDU emulator that 1s not exactly like any of the Fixed VDU types After the operator enters the desired letter A thru J the menu will redisplay with the new VDU type at the top of the screen using the new command character set of the selected VDU o A PROTOCOL CONVERTER MODEL A S 4 NOTE Selection of a blank programmable VDU type may cause erroneous command characters to be sent to the operators VDU The programmable VDU type should be added by option 3 before it is selected 3 Add or Change Name by entering a 3 the operator is able to add a name to or change a name from the PROGRAMMABLE column see figure 4 This is done when the operator s VDU does not match one of the FIXED VDU s and it allows him to define to the A S 4 the various commands his VDU needs to operate properly e g the command from the A S 4 which will cause his VDU to clear the screen In the example shown in figure 4 the operator has given the name NEW VDU to VDU A Operator input is underlined The 10 characters are filled out with spaces or just type carriage return By typing the letter H he ha
54. f these two LUs the CRT operator can have a job being printed out on the printer while doing other interactive work with the terminal simultaneously As described in Section 6 4 on the actual running of the A S 4 after all menu items are selected the WAITING FOR ACTIVE LU message will be displayed on the terminal After the LUs become active the operation of the unit is dependent on the SNA host 1t s communicating with so no further description of operation is needed NOTE For the Interactive screen to be displayed correctly the CRT must be selected to disable cursor auto wrap If a character is in column 80 the cursor will not advance to the next line PROTOCOL CONVERTER MODEL A S 4 8 Batch Operation The A S 4 operating in the Batch mode emulates an IBM 3776 77 Model 3 and 4 multiple logical unit MLU work station with a console printer card reader punch and exchange diskette attached The A S 4 supports two of the six possible logical units available for a MLU work station The VDU LU is designated as the inbound to host logical unit and the PRT LU is the outbound from host LU The VDU LU will reject data from the host for the printer card reader or exchange diskette by sending a negative response to the function management header which indicates the data is for any of the above devices The host will then send the data to the LU This insures that at least one LU will be free to send jobs or console commands
55. functions CURRENT Application SDLC SNA 3274 76 Interactive VDU NEW VDU Keyboard STANDARD Change CMD VDU Responds to for A Exit B ESC VDU CMD to Follow Set up 1st C ESC Data to Printer ON D ESC a Data to Printer OFF E ESC Data to Card ON F ESC a Data to Card OFF G ESC Data to Disk ON H ESC a Data to Disk OFF I ESC Clear Screen J CTL A Home Cursor Position Start Char Row Offset Value Row Col Separator Column Offset Value Final Char Decimal Row Col Values Enter Letter Figure 5 Figure 6 gives an example of how the operator would enter a new Home Cursor command to match his VDU Operator input is underlined Enter Letter J Enter CMD CTL Y Figure 6 To disable the two character Printer Card or Disk on off command enter a space for the command also use a space to terminate the command o MA PROTOCOL CONVERTER MODEL A S 4 6 7 Changing Video Attributes and Commands for VDU The menu obtained by selecting item D of the main menu is shown in Figure 7 This menu allows the operator to define the parameters which will give the proper video highlighting to the fields on the VDU screen CURRENT Application SDLC SNA 3274 76 Interactive VDU NEW VDU Keyboard STANDARD Cmd chars for different VDU video displays for different type fields A Exit B Start of video cmd CTL C End of video cmd D Video cmd takes up a space on VDU N Middle of cmd For Data Type of UN
56. g on printer options selected Refer to Section 6 12 1 Programmable Printer Options for details 2 Set Vertical Format SVF command defines the maximum presentation line MPL top margin TM bottom margin BM and up to six vertical tab stops for a page of print This command is used internally by the A S 4 The printer may receive new operating settings depending on printer options selected Refer to Section 6 12 1 for details 3 Set Line Density SLD defines the distance to be moved for a single line vertical spacing as in NLor This command is used internally by the A S 4 the printer may receive a new lines per inch LPI setting depending on printer selections See Section 6 12 1 for details 4 Vertical Channel Select VCS selects one of 12 vertical channels to control vertical formatting of the page This two character command causes a line feed LF to be sent to the printer E CHAPTER 8 Batch Operation When sending data to the printer each character is inspected and then sent if needed A column count is kept to determine the position of the printer s print head which is compared to the selected column width of the paper If a space character is found it is not sent right away to the printer The following characters are checked and if no other character other than a space is present in the line a CR LF or CR LF LF Double spacing 1s sent to the printer disregarding the received spaces T
57. he CRT at this point receives an enter request logon message from SSCP if the host system is GENed to send a SSCP message A GEN 15 how the host system operators set up different CRT options At this point the CRT is considered to be in a SSCP to LU session Session means that two devices are talking with each other The CRT operator may now enter a request logon message for an application This allows the operator to request a logon to different applications like CICs IMS or TSO on any available system example Test System A or B or a Production System If the CRT will always be assigned to one application the host system may be GENed optioned to automatically request an application logon in which case this setup does not need to be performed by the VDU operator The system now BINDs the CRT to the application This establishes communication between the CRT and the application The 3274 controller will usually clear the CRT screen when this happens The CRT is now considered to be in a LU to LU session The application sends a welcome or signon application message to the CRT This now allows the operator to run his application or transactions While communicating with the application it is usually on a demand response basis The operator enters data or answers a question and the host sends back the information or more questions This proceeds until the operator has completed the assignment Ka h X G AP
58. he SNA host can send transparent data to the printer Most of the time this EBCDIC data is converted into ASCII because transparence is generated by the application e g JES POWER which looks for a character less than an EBCDIC space x 40 in value if this character is found the print line is sent in transparent form Usually the character causing this is a null 00 inserted in a JOB name or ROOM number because no value was assigned If the actual SNA data received from the host needs to be printed the first two data characters must be a transparent indicator TRN X 35 followed by the number of transparent characters in hexadecimal Example message received from SNA host TRN TRN data gt Ist TRN generated by JES 2nd TRN generated by program The printer can be connected to the A S 4 in many ways as mentioned below 1 Printer directly connected to the terminal port with a single cable In this configuration no VDU is present The host must do an Auto BIND to connect the A S 4 to he application e g JES2 CICS or use the Auto Logon function of the unit With a single device only one LU is needed but both may be used Normally the VDU LU is the LU used when running with a single LU The host must start the print job since no VDU is present Hardware throttle must have CTS before sending data or software throttle XON OFF protocol may be used to control the rate of data going to the printer 2 Printer attached
59. ificios de ventilaci n Servicio por personal calificado deber ser provisto cuando A El cable de poder o el contacto ha sido da ado u Objectos han ca do o l quido ha sido derramado dentro del aparato o El aparato ha sido expuesto a la lluvia o El aparato parece no operar normalmente o muestra un cambio en su desempeno SR OY El aparato ha sido tirado o su cubierta ha sido da ada TRADEMARKS TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners PROTOCOL CONVERTER MODEL A S 4 Contents Chapter Page ESO AA S 6 8 SNNT 9 2l 9 S val Modom TAGS 9 o peed Detectores 9 Pa E E UU TET 10 SS AAA A 10 piel A o o M 11 LP aii T Eo o LI 4 2 How to Set Terminal Switches for Different Devices 14 d IMOOSGIB aaa 15 4 4 How to Set Modem Switches Tor Different 17 A o A o ee 18 iD ou I9 D Poner Upand CON Me UTA C De 20 o m 20 5 2 Power UD L S A A A 21 DS VATA 22 64 Switching from 5 4 s Main Menu to Running the Application
60. ing the operator desires Selection of F G and H provide fixed keyboards shown on the previous pages Programmable keyboards may be added as any of the selections A through E By using a programmable selection the operator can design the keyboard to his or her liking change the keyboard used enter 2 then select the keyboard layout you desire from those listed If you prefer an unlisted keyboard type you should select one of the letters under programmable and enter the name 10 characters max If the name is less than ten characters long type carriage return or spaces to complete the ten character name If your keyboard looks like one of the fixed keyboards then you should enter its letter as a response to make new keyboard look like established name NOTE Selection of a blank entry from the programmable list may cause the A S 4 to malfunction Names of programmable keyboards may be added changed or deleted by using selection 3 and 4 If a programmable keyboard has been selected the operator should now set up the keys arrangement as he or she wishes using selection F from the A S 4 s main menu CURRENT Application SDLC SNA 3274 76 Interactive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 Keyboard Standard Change Keyboard 1 or A Exit 2 Change Current Name 3 Add Name 4 Delete PROGRAMMABLE FIXED A F STANDARD B G IBM PC 3270 C H ADM 1178 D 3101 E J PNS Ente
61. ir Please call for a Return Authorization Number Replace the cover of the 5 4 and insert and tighten the 4 cover screws PROTOCOL CONVERTER MODEL A S 4 12 System Line Gen for Batch The following is a VIAM NCP JES2 line gen for a 3776 model 3 or 4 For more information on specific parameters refer to the appropriate IBM manuals IBM 3770 SNA Installation Guide GC30 3064 Component Description for the IBM 3776 and 3777 Communication Terminals GA27 3145 V TAM Generation Manuals MANY NCP Generation Manuals MANY NCP amp VTAM Parameters Most values are defaults HOST MACRO UNITSZ 384 VTAM S data buffer size LINE GROUP MACRO DIAL NO No for leased line or yes for dial up A S 4 operation LNCTL SDLC For SDLC line TYPE NCP For NCP 3 CLOCKING EXT or INT Modem or A S 4 supplies clocks 2 DISCNT NO or YES If switched SDLC line should drop if no active LU sessions DUPLEX FULL or HALF Full or half duplex line INTRPI 2 NEWSYNC NO No new sync on modem 3 NRZI YES or NO NRZI coding can be used PAUSE 2 Time between xmitting operation poll 200 ms POLLED YES Polled Line REPLYTO 1 lime between retries of operation polls if not answered 1 second maybe 2 or 3 RETRIES 1 2 5 Retry 1 wait 2 seconds do it 5 times SERVLIM 4 Number of regular Scans of NCP order table before a special scan PU not responding to SNRM SPEED 4800 Line Speed 300 to 19 2K baud E
62. ise emission from digital apparatus set out in the Radio Interference Regulation of Industry Canada Le pr sent appareil num rique met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la classe A prescrites dans le Reglement sur le brouillage radio lectrique publi bar Industrie Canada PROTOCOL CONVERTER MODEL A S 4 QU A O N 10 11 12 15 14 15 16 17 18 INSTRUCCIONES DE SEGURIDAD Normas Oficiales Mexicanas Electrical Safety Statement Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado Las instrucciones de seguridad y operaci n deber n ser guardadas para referencia futura Todas las advertencias en el aparato el ctrico y en sus instrucciones de operaci n deben ser respetadas Todas las instrucciones de operaci n y uso deben ser seguidas El aparato el ctrico no deber ser usado cerca del agua por ejemplo cerca de la tina de bano lavabo s tano mojado o cerca de una alberca etc El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito en las instrucciones de operaci n Todo otro servicio deb
63. may change the VDU type by entering the letter B in response to the Main Menu The change VDU Menu will then be displayed on your screen as in Figure 3 If your screen is scrolling A S 4 menus instead of clearing the screen before each menu then you should change the VDU type The change VDU menu allows you to match your VDU with one of the A S 4 s fixed VDU types or to create a new A S 4 VDU type The A S 4 feature for creating a new VDU type allows A S 4 to work with any asynchronous device with screen capabilities CURRENT Application SDLC SNA 3274 76 Interactive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 Keyboard Standard Change VDU 1 or A Exit 2 Change Current Name 3 Add Name 4 Delete PROGRAMMABLE FIXED A B C D E F IBM 3101 DEC VT52 G ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 H Televideo 910 thru 950 Zentec Zephyr l Lear Siegler ADM3A J IBM PC 3270 Enter Number Figure 3 The change VDU menu allows 4 operations as described below 1 Exit By entering the number or the letter A the A S 4 will return to the Main Menu with the VDU type currently at the top of the screen Change current VDU type at top of screen By entering the number 2 the operator may change the VDU type The A S 4 will then display ENTER LETTER so that the operator may select the letter preceding the desired VDU type from the list of programmable and fixed VDU typ
64. n or receive SSCP data LL Inbound LU in LU LU session can send or receive jobs 4 DW PU not active PU PU active LU Outbound LU active can send logon or receive SSCP data LL Outbound LU in LU LU session can send or receive jobs 5 Normal EBCDIC data received from the SNA host will be converted into ASCII before being transmitted to the VDU Transparent Data received from the SNA host will be passed to the VDU with no conversions except when the character is less than a hexadecimal value of 20 The character would then be preceded by DLE 10 and the character itself would be made ASCII printable by setting it s two most significant bits This addition of the DLE and making the character printable is only done if this option is selected in the Application Options Example Recvd 1E 10 DE Xmitted 6 End of File EOF character is selected by H Application Options menu This single character command can be disabled turned off so that no EOF character is sent 7 Device OFF is selected by C VDU commands menu This single or dual character command terminates the transmission of this device s data This command can also be disabled turned Off by setting it to a space so that no Device Off command is sent If the command is set to a printable character X 21 or greater the VDU CMD will precede the Device OFF command or if the Device OFF is set to a control character no VDU CMD will precede it NOTE Console data is not terminat
65. n the device indicator With option on only the inbound VDU LU can send data to the host so both LU s must be set for Auto Logon to become active with the application e g JES2 CHAPTER 6 Power Up and Configuration Menu Options N VDU Auto Logon Msg This 80 character message can be changed by entering the letter N followed by the Logon message containing any printable ASCII character X 20 X 7F The field separator X 1C character which is used to delimit the different logon strings for the VDU LU and the PRT LU The carriage return X 0D character is used to indicate the end of the logon message The auto logon is enabled whenever any data is present in the logon message To disable auto logon enter a carriage return as the first character of the message This logon message will be sent to the host by VDU inbound LU when this LU becomes active All data except the CTLNSs field separators will be sent Auto Logon Field This 10 character field can be changed by entering the letter followed by the logon field containing any printable ASCII character X 20 X 7F The carriage return X 0D character terminates the end of the field This field if selected will cause an auto logon message to be sent by the PRT outbound LU when the PRT LU becomes active The logon message will be the same one as for the VDU LU except the data enclosed by CTL s will be replaced with the PRT auto logon field The
66. nteractive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 Keyboard STANDARD Change Printer Options A Exit B Column Width xxx 132 C Lines Per Page xxx 066 D Lines Per Inch xxx 2006 E Single Double Space Single F MONO Dual Case Dual Forms Set Up Command Sequence G Start Char FORMS H Multiple xxx X Inches xxx l Separator Char CTL O J Final Char CTL O K Start Char DENSITY L Separator Char DENSITY CTL O M Final Char DENSITY CTL O Enter Letter Figure 17 The Printer Options menu allows 13 operations as described below A Exit By selection the letter A the A S 4 will return to the main menu B Column Width xxx This value is used to define the length of a print line and can be changed by entering the letter B followed by any decimal number value from 001 to 255 An entry larger than 255 will set the column width to a value less than 255 The host set Horizontal Format SHF command can temporarily change the column width used by the printer with the MPP maximum print position value enclosed in the SHF command This new MPP value will not be displayed in the Column Width option Refer to Section 8 Batch operation for more details Lines Per Page xxx Indicates the number of print lines per page page depth and is changed by entering the letter C followed by any decimal number value from 001 to 255 Any entry larger than 255 will set the lines per page to a value les
67. o EBCDIC ASCII to EBCDIC BLACK BOX Copyright 1989 Black Box Corporation rights reserved 1000 Park Drive Lawrence PA 15055 1018 24 746 5500 Fax 724 746 0746
68. o both LUs are logged on to the application 3 When one or both LUs are bound up to an application e g JES2 and receives a set data traffic command the A S 4 will display the current line status and send the Auto Signon if selected for the LU in LU to LU session The Auto Signon message will be displayed if the Echo Input option YES Once the Auto Signon is sent jobs and console commands can be sent and received from the host For the description of inbound data see Section 8 1 and for outbound data refer to Section 8 2 CHAPTER 8 Batch Operation 8 1 Receiving Batch Data from the SNA host When SNA data is received from the host by the A S 4 the data is sent to the VDU as follows Start Special End of Device of File Control File CMD Device Off o po 1 VDU CMD or CRT lead in character is selected by C VDU commands menu This single or dual character command is not sent to the VDU if the Device ON command is selected for a control character X 1F or less or disabled by being set to a space 2 Device Printer Card Disk On is selected by C VDU commands menu This single or dual character command directs the received SNA data to the correct device printer card or disk This command can also be disabled turned off by setting it to a space so that no Device On is sent If the command is set to a printable character X 21 or greater the VDU CMD will precede the Device On command NOTE Console da
69. on Because of the great numbers of options provided it may take a little time to set up to A S 4 unit but once complete the options need not be set up again All options are battery protected for when the unit is turned off 6 1 Power Up To start installing your A S 4 unit only the VDU need be connected Connect to VDU making sure all the following steps have been followed 1 Plug in turn on boot or perform any other needed operation to ready the VDU 2 Set switches SW2 SW3 SW6 on 5 4 for type of VDU connecting to see Section 4 2 How to set Terminal Switches for different devices The factory default switch settings are for a VDU DTE device 3 Set SW9 for communication options needed refer to Section 4 5 Option Switches The factory default switch settings are for 7 data bits speed detection ON menu operation ON even parity Be sure that SW9 6 is in the ON position Option change on power up enabled 4 Plug the power transformer into any standard 110 volt AC power outlet Plug the connector on the other end of the power cord into the mating connector on the back of the unit Insert the connector so the small beveled lip faces up for ease of insertion The beveled lip can be inserted up or down and the unit will work fine with no harm to the A S 4 A substitute transformer may be ordered for the A S 4 unit for 220 volts AC or other voltages 5 Plug an RS232 C cable from the VDU into the terminal connector on the back of the
70. per case even odd or no parity Switch 5 of switch bank 9 must be OFF to enable this feature to work properly The A S 4 is shipped with this feature ready to work PROTOCOL CONVERTER MODEL A S 4 3 4 Power Transformer The 5 4 is shipped with a transformer for the standard USA 110 VAC outlet plug A substitute transformer may be ordered for the for 220 VAC or other voltages A conversion plug for different power outlets is the responsibility of the purchaser 3 5 Synchronizer The A S 4 has a unique feature on the modem port to allow the 5 4 to run SDLC over asynchronous modems therefore providing a low cost dial up system This is possible by the use of a hardware synchronizer circuit that derives clocks from the data To use this feature set the modem port switches as listed in Section 4 0 for an Asynchronous Modem CHAPTER 4 Switches 4 Switches The A S 4 is equipped with 8 banks of DIP switches all of which are accessed from the bottom of the unit The general functions of these switches are as follows Terminal Interface Configuration SW2 SW3 SW6 Terminal Speed SW6 Modem Interface Configuration SW4 SW5 SW7 Terminal Data Formats amp Options SW9 NOTE When any switches are changed the A S 4 must be powered off and on for the new switch settings to take effect 4 Terminal Switches lerminal port switches for Female DB25 Terminal Connector Switch Bank 2 Switch 1 On connects pin
71. r Number Figure 8 PROTOCOL CONVERTER MODEL A S 4 6 9 Changing Keys Arrangements on a Particular Keyboard Layout Type Selection of item F from the main menu will cause the menu shown in Figure 9 to be displayed CURRENT Application SDLC SNA 3274 76 Interactive VDU ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 Keyboard STANDARD A Exit B PF Keys C PA Keys D Command Keys E IBM Keys F PROTOCOL CONVERTER Keys Enter Letter Figure 9 This menu allows for great flexibility in keyboard layouts If you desire you may alter Key assignments or design your own keyboard layout The selections available from this menu is as follows Exit Go back to main menu PF Keys Programmable function keys PA Keys Programmable attention keys Command Keys Keys used for editing amp cursor movement e g Clear IBM Keys Keys used to perform IBM terminal operations e g Field Mark Protocol Keys used to control the A S 4 s operation Converter Keys e g Restart A S 4 which will take operator back to main menu The keys arrangement can only be changed if the current keyboard is a programmable keyboard see Section 6 8 CHAPTER 6 Power Up and Configuration Menu Options 6 9 1 PF KEvs Selection of item B from the menu shown in Figure 9 will cause the menu shown in Figure 10 to be displayed If the operator wants to use a different key for PF2 he would first enter the letter C and th
72. r is thrown away and the following character s two most significant bits will be changed to zero s For transparent data to work correctly without the DLE option enabled both the VDU and the A S 4 must be set for 8 data bits with no parity and XON XOFF throttle turned off 4 End of File EOF character is selected by H Application Options menu This single character command terminates the transmission of the VDU data This command can also be disabled turned off so that no EOF character is sent but if disabled all data received may not be sent to the host 8 3 Batch Printer Operation Data received from the SNA host directed to the printer device by the use of the function management header 1 LU Type 1 or by the write control character WCC LU type 3 is handled differently than card console or disk data This printer data is inspected for SNA Character String SCS control codes space characters and transparent data indication Most of the SCS codes are single character commands e g NL BS LF which are converted into their ASCII equivalent see appendix C but a few SCS commands are two or more characters long which are handled as described below 1 Set Horizontal Format SHF command defines the maximum presentation position MPP the left margin LM right margin RM and up to six horizontal tab stops for a page of print This command is used internally by the A S 4 The printer may receive new operating conditions dependin
73. racter For this to work the A S 4 and the VDU must be set for a character length of 8 data bits with no parity The contents of this string of options is described later The SO X OE character does not need to be preceded by the Start of File character or followed by an End of File character PROTOCOL CONVERTER MODEL A S 4 2 SI X OF character asks the A S 4 for the SNA line status of each Logical Unit The response to the SI is described in the transmission of the SI character as a special control character Any data following the SI character will be thrown away until a Start of File is received The SI X OF character does not need to be preceded by the Start of File character or followed by an End of File character 3 Normal ASCII data received from the VDU will be converted into EBCDIC before being transmitted to the SNA host computer This received data will be checked for end of record characters CR LE CRLF and RS and trailing spaces Trailing spaces in a record will be truncated If no end of record character is found after receiving eighty characters the A S 4 will insert an end of record character and truncate any trailing blanks before transmitting the record to the SNA host Transparent data received from the VDU will be passed to the SNA host with no changes except when the Precede Chars with DLE option 1s selected and a DLE followed by another character is received When this occurs the DLE characte
74. rentiates between two techniques of video highligh ng 1 The video command occupies a space on the screen and defines the start of a video highlight field e g Televideo 925 2 The video command does not occupy a space and does determine the type of video highlight for all subsequent received characters regardless of their positions on the screen e g DEC VT100 Video types referred to in figure 7 correspond to the video highlighting codes which are sent to the A S 4 from the IBM host Itis up to the operator to enter the proper value for the middle of command to match or mismatch if desired each video type If no video highlighting is desired the operator may turn off prevent the 5 4 from sending video commands this feature by entering a space for Item start of video command The A S 4 assumes if there is no start command than there is no video commands for the VDU PROTOCOL CONVERTER MODEL A S 4 I ESO 111 192 148 194 155 156 187 158 149 0 142 138 DEL I I I LINE I I I TAB W E IT r T O alt RETURN PF4 PF6 PF7 8 PF9 10 DISC y FIELD I DUP i HOME CUR 1 VDC 1 1 MARK 1 i I I ARROW I 1 SEL 1 1 1 1 CTRL LOCK rD IF 1 4H iJ 11 PF12 1 1 14 15 PF
75. s copied the characteristics of VDU into those of NEW VDU The CURRENT header will now show the VDU as NEW VDU Using the VDU commands menu selection C on the Main Menu he can now change the clear screen command or any other command from the command copied from VDU to whatever NEW VDU needs these commands may be found in the NEW VDU manual 4 Delete Name By entering a 4 the operator can delete a name from the PROGRAMMABLE VDU list Enter Number 3 Enter Letter A Enter 10 Character Name NEW VDU Make New NEW VDU Name Look like established Name Enter Letter H CURRENT Application SDLC SNA 3274 76 Interactive VDU NEW VDU Keyboard Standard Change VDU 1 or A Exit 2 Change Current Name 3 Add or Change Name 4 Delete PROGRAMMABLE FIXED A NEW VDU F IBM 3101 DEC VT52 B G ANSI STD DEC VT100 Teletype 5410 5420 Televideo 970 960 C H Televideo 910 thru 950 Zwntec Zepher D l Lear Siegler AND E J IBM PC 3270 Figure 4 CHAPTER 6 Power Up and Configuration Menu Options 6 6 Changing VDU Commands for the VDU Type Selected Dy selecting item C from the main menu Section 6 3 the operator obtains the menu shown in figure 5 Items from this menu can only be changed for programmable VDUs This menu allows you to define the video commands our VDU expects You should consult your VDU users manual to determine what the command characters are for the various VDU
76. s than 255 The host Set Vertical Format SVF command can temporarily change the lines per page used by the printer with the MPL maximum presentation line value enclosed in the SVF command This new MPL value will not be displayed in Lines Per Page option Refer to Section 8 Batch operation for more information E CHAPTER 6 Power Up and Configuration Menu Options D Lines Per Inch xxx By entering the letter D followed by any decimal number from 001 to 063 the operator can change the lines per inch LPI the printer will print If a decimal value larger than 063 1s entered the LPI option will be set to a value less than 063 The host Set Line Density SLD command can temporarily change the lines per inch used by the printer This new LPI value will not be displayed in the Lines Per Inch option See Section 8 Batch operation for more information E Single Double Space Option can be toggled from Single NL x 15 received from host send CR LF to printer to Double NL x 15 received from host send CR LF LF to the printer line spacing F MONO Dual Case By entering an F the operator can toggle from Dual upper and lower case characters sent to the printer to MONO only upper case characters are sent to the printer if a lower case character is received from the host it is converted to upper case The following commands are sent to the attached printer to change or set the printer for the selected parameters G Start
77. t and inserting the flat edge between the ERPOM and the socket holding the EPROM at the two ends where there are no metal legs Pry one end up just a little and then pry the other end up just a little Continue prying both ends up just a little in a rocking back and forth motion until the EPROM becomes free of the socket Insert the new EPROM by aligning one row of metal legs first with one side of the socket Make sure this row 15 firmly in the socket but not pushed down in the socket Now align the other row of legs in the socket pushing the legs firmly in place but not down in the socket Now if all legs are aligned push the EPROM into the socket slowly watching to see if any legs bend If any leg starts to bend or does bend remove the EPROM as in Step 4 above and straighten the leg as much as possible by hand or with pliers if available Try inserting the EPROM again Ifa leg continues to bend or breaks off do not throw the EPROM away return it to the factory With cover still off turn the box on and check for the power up attribute message on the terminal device If the power up message is displayed continue to step 8 I not check for any bent legs or any leg that did not go into the socket Also make sure the EPROM notch is toward the front of the box Correct any EPROM problems found If the EPROMSs cannot be made to work display the attribute message return the A S 4 and EPROMs to the address on the title page for repa
78. ta is not preceded by a VDU CMD or a Device On character 3 Start of File SOF character is selected by H Application Options menu This single character command can be disabled turned off so that no Start of File character 15 sent 4 Special Control SC characters precede some types of data mentioned below a SOH 01 character indicates that a Function Management Header 2 follows The FMH 2 data is sent to the VDU without converting the SNA EBCDIC data to ASCII transparent mode inserting DLE s before ASCII control characters if needed The VDU CMD and device selection are sent along with this message if selected PROTOCOL CONVERTER MODEL A S 4 b SI 0F character precedes the SNA line status report of each logical unit This line status is handled as console data so the VDU CMD and device selection are not sent along with this message The line status is reported as follows SOF SC 1 2 3 4 EOF STX OF 3 3 CR LU LU CR LF ETX Character Number 1 0 30 Physical Unit PU not active 1 31 PU active but inbound logical unit LU not active 3 33 Inbound LU active but no LU LU session active 7 37 Inbound LU active and in session with another LU 2 O 30 PU not active 1 31 PU active but outbound LU not active 3 599 Outbound LU active but no LU LU session active 7 37 Outbound LU active and in session with another LU 3 DW notactive PU PU active LU Inbound LU active can send logo
79. tect option so set up switches on A S 4 to match terminal baud rate refer to Section 4 1 CHAPTER 13 Troubleshooting Problems and Odd Installation Problems PROBLEM SYMPTOM POSSIBLE REMEDIES TCTS light is on and a Baud rate of A S 4 3 Power up message has some incorrect letters or just garbage letters displayed Receive power up message on termina but typing home or space bar will not display main menu TTX light does blink when power is applied to the A S 4 TCD light on front of the A S 4 is off TCD light is on on the front of the A S 4 and the TRX light does not flash when a key is typed on the terminal TCD light is on on the front of the A S 4 and the TRX light does flash when a key is typed on the terminal does not match terminal baud rate Check baud rate switches refer to Section 4 1 Switches SW3 1 2 3 and 4 are not set correctly refer to Section 4 1 and 4 2 Baud rate of A S 4 does not match terminal baud rate Check baud rate switches refer to Section 4 1 Parity and word length of A S 4 and terminal do not match Check option switches refer to Section 4 5 A S 4 switches SW2 SW3 SW6 for terminal port not set correctly refer to Section 4 in manual Terminal device does not supply DTR if modem device is hooked to terminal port it does not supply DSR Turn on SW6 4 so A S 4 unit will supply DTR If modem device turn on
80. terminal port and the A S 4 s modem port is connected to a synchronous modem for dial up SDLC If this is not your application only a few switches need be changed Refer to Section 4 0 for switch settings of other devices To install the A S 4 1 Connect cables to devices 2 Plug in the 5 4 3 5 on VDU for automatic speed detection of 300 1200 1800 2400 4800 or 9600 baud to obtain A S 4 menus 4 Follow A S 4 s menus If you have an odd baud rate not listed refer to Section 4 0 for setting switches for terminal baud rate If the menus do not appear refer to Section 13 0 for trouble shooting problems and odd installations 3 2 Modem Interface The modem port can be configured for several types of hardware communications The A S 4 is shipped with the options set for the RS232C EIA standard The modem port can be configured for NRZI for some IBM installations by setting the switch on the rear of the A S 4 unit to the NRZI position 3 3 Terminal Automatic Speed Detection The A S 4 has the necessary hardware and software for speed detection on the terminal port This option makes it possible to install a A S 4 without changing a switch Baud rates of 300 1200 1800 2400 4800 or 9600 can be detected on power up of the unit After applying power the operator types S or SNA on the terminal and the baud rate of the VDU is detected and a power up message is sent to the terminal The S may be in lower or up
81. tion This maybe done by dialing a phone for dialup applications or having a host computer operator connect a leased phone line The PU is activated The host sends the first message down the phone line to the 3776 77 work station s controller PU to tell it to start communications The work station then tells the host when it is ready to start The LUs are activated The host now tells all the attached devices LUs to start communications The devices respond to host when they are ready to start SSCP System Services Control Point may send a message to the console requesting a logon message for the active LUs if the host system is GENed to send a SSCP message A GEN is how the host system operators set up different work station options At this point the console is considered to be in a SSCP to LU session Session means that two devices are talking with each other The work station operator may now enter a request logon message for an application This allows the operator to request a logon to different applications like JES2 POWER or CICs on any available system For example Test System A or B or a Production System If the work station will always be assigned to one application the host system may be GENed optioned to automatically request an application logon in which case this setup does not need to be performed by the work station operator After a good logon message is received by the host it will BIND th
82. vices 8 On connects pins 4 and 5 of connector so external devices throttle itself Switch Bank S6 Switch 1 On supplies internal clocking for A S 4 s input of ransmit Clock 2 On connects pin 17 of connector to A S 4 s input of Receive Clock for synchronous operation 3 On supplies internal clocking for A S 4 s input of Receive Clock 4 On connects pin 20 of connector to A S 4 s output of DATA TERMINAL READY for attaching DCE devices 5 On connects pin 20 of connector to A S 4 s input of CARRIER DETECT 6 For modem port see Modem Switches 7 8 9 and 10 Set up terminal baud rate if speed detection is turned off CHAPTER 4 Switches e ON OF ON tio ere s or or ov 9 cmm oper 9s or ow 20 pM n ON 4 or on re or ow 9 OFF 19 2K PROTOCOL CONVERTER MODEL A S 4 4 2 How to Set Terminal Port Switches for Different Devices DEVICES VDU or Async Modem Centronics Tally printer Y VDU DTE or DCE device Printer Data Products Printer Busy on 20 Busy on 19 Cable Switch 2 Switch 2 Switch 2 Switch 2 Switch 2 8 OFF 8 OFF 8 OFF 8 OFF 8 OFF Lor 2 ON 2 ON 3 ON 3 ON 7 AQ 4 ON AQ 5 ON 5 ON IA 5 OFF 6 ON 6 OFF 6 OFF 6 ON 7 OFF 7 OFF 7 OFF A 7 OFF 8 OFF 8 OFF 8 OFF 8 OFF Switch 6 Switch 6 Switch 6 Switch 6 ton
83. while receiving data from the host Console data is the only data the VDU LU will accept while the PRT LU will receive host data from all devices The following is the step by step procedure used by the A S 4 after the WAITING FOR ACTIVE LU message is sent out for Batch operation Refer to Section 6 4 for steps before ACTIVE LU message 1 With the WAITING FOR ACTIVE LU message displayed entering any character other than an SO X OE or SI X OF will cause the main menu to appear again if SW9 6 is in the ON position change options on power up Entering of the SI X OF command will cause the status of the PU and LUs to be displayed as described in section 8 1 Receipt of an SO X OE followed by X number of characters will change the A S 4 s options and cause it to start over from power up Once one of the LU s become active a new line status will be displayed 2 When one or both LUs become active the A S 4 will send a clear screen command display the current line status and try to do an Auto Logon if selected for the active LU The Auto Logon message will be displayed if the Echo Input option is enabled If no Auto Logon is selected and the host system does not auto BIND the LUs the console operator must logon both LUs before the application e g JES2 can communicate with the work station The device selection character Section 8 2 must be selected for the inbound LU on one logon message and then set for the outbound LU on the next s

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