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IBM 3770 - page 1
i 3770Link SNA/RJE Emulation Demo Version User’s Guide Table of Contents Notational Conventions ............................................................................... ii Ordering Information .................................................................................. 1 Technical Support ............................................. ...
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IBM 3770 - page 2
3770Link ii Notational Conventions The following notation is used in this guide: 3770Link Refers to the 3770Link package in g eneral. 3770Link GUI Refers specifically to the graphical user interface program (“3770link.exe”) 3770Link SO Refers specifically to the console style script-only program (“3770so.exe”) ...
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IBM 3770 - page 3
Demo User’s Guide 1 3770Link Demo Version User’s Guide Thank you for requesting the 3770Link demo diskette. This demo introduces you to the “look-and-feel” of 3770Link and to the extensive script file capabilities found within. The demo simulates online sessions and therefore does not require an adapter or modem to be present in your system ...
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IBM 3770 - page 4
3770Link 2 Technical Support Once you’ve ordered 3770Link, Serengeti Systems provides technical support for as long as you use 3770Link at no additional cost to you. Support is available via the Internet from our web site or via e-mail, or by telephone. • Access to Serengeti Technical Support is available from within the 3770Link GUI by way of ...
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IBM 3770 - page 5
Demo User’s Guide 3 Introduction to 3770Link 3770Link combines full-featured SNA RJE communications with a comfortable user interface. You can use the intuitive menus for interactive operations or take advantage of the powerful script language and/or programmatic control for automated, unattended sessions. 3770Link’s user interface utilizes men ...
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IBM 3770 - page 6
3770Link 4 3770Link Features 3770 Emulation Features • IBM 3776/3777 Model 3 or Model 4 emulation (SNA Logical Unit type 1) • LU − LU and SSCP − LU sessions • Unlimited number of concurrent sessions • Receive to console, printer, or disk file • Automatic ASCII ↔ EBCDIC translation • PDIR record recognition • FMH 1 and FMH 3 supp ...
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IBM 3770 - page 7
Demo User’s Guide 5 RJE Server Features • Load 3770Link as an RJE server • Submit commands to 3770Link from user-written client program via DDE interface Supported Host Environments • Host sys tems: POWER (DOS/VSE); JES2 and JES3 (MVS); other VTAM environments; and others • Host connections: SDLC, X.25, ISDN, Ethernet, token ring (or othe ...
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IBM 3770 - page 8
3770Link 6 Software Installation The following steps describe how to install the 3770Link demo on a hard disk from the distribution diskette: • Insert the 3770Link diskette into a floppy drive. For Windows NT 3.51: • From the File m enu in Program Manager, choose Run. Type a:setup and press <Enter> or click [OK] . For Windows 95/98 and NT ...
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IBM 3770 - page 9
Demo User’s Guide 7 RCVFILE.TXT Text file for simula ting received files DLLSHARE.DLL Windows dynamic link library 3770LINK.HLP Help file After you use 3770Link, you may also see the following files in your 3770Link directory: JOBNAME.* printer files created during demo RECEIVE1.LOG Log of files recei ved MRU.INI Configuration file for this demo ...
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IBM 3770 - page 10
3770Link 8 text regarding the status of the connection. You should see the following text in each LU window during the connection process: Activating Link To The Host ... PU Is Active LU Is Active => SSCP-LU Session Established Sending Formatted Logon (INIT_SELF) Session Bound LU-LU Session Established In addition, each LU window has a status ba ...
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IBM 3770 - page 11
Demo User’s Guide 9 You should also see the following simulated ho st message in the console window: DOWNLOAD COMPLETE ON RJELU1. • At this point, feel free to try some of the other menus such as Transmit | File , Transmit | Application Request , Transmit | Logoff , and Transmit | Logon . Each time that the first LU logs on, the simulated downl ...
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IBM 3770 - page 12
3770Link 10 Simulating Sending and Receiving Files with the Demo For the purposes of this demo, the following rules apply when sending or receiving files: • You may send a file at any time you are connected. A connection is achieved through the Auto-Dial , Auto-Answer , or Connect menus in 3770Link GUI, or through the DIAL, CONN, or ANS script co ...
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IBM 3770 - page 13
Demo User’s Guide 11 Script Files To accommodate unattended operation, 3770Link utilizes an extremely powerful script language. There is a corresponding script command for most of the menu items available in interactive mode. In addition there are numerous commands to manage error checking, error recovery, looping, and branching. Script files can ...
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IBM 3770 - page 14
3770Link 12 IF conn_loop, connect QUIT :connect PTR testptr SEND jcl.txt IF sendfail RCV :sendfail DISC QUIT This example LU script file dials a phone number and checks for numerous possible result codes. If the dial is successful, two files are transmitted consecutively and a RCV is executed to await the host’s reply. The line is then disconnect ...
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IBM 3770 - page 15
Demo User’s Guide 13 :no_tone ##ATTENTION: Phone Line Not Connected QUIT This example master connect script file connects on all 3 configured LUs (RJELINK1, RJELINK2, and RJELINK3). The line is then disconnected. This script file example assumes that the 3 LUs are configured for the current connection. ;Connect on all 3 LUs. CONN ;Start script fi ...
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IBM 3770 - page 16
3770Link 14 3770Link Script Language Commands are not case sensitive, they are shown in upper case for clarity. Replace text in italics with the appropriate values. Parameters enclosed in square braces "[ ]"are optional. When two or more parameters are separated by a bar “|”, only one of them may actually be used at a time. Command Sy ...
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IBM 3770 - page 17
Demo User’s Guide 15 Command Syntax Description DIAL xxx-xxx-xxxx [/t= x | /m= x ] Auto-dial string xxx-xxx-xxxx . /t= x - Time-out after x seconds. /m= x - Time-out after x minutes. DISC Disconnect the line. ENDPIPE Close a pipe. EXCH name [/n | /s] [/a] [/b] [/t] Define the exchange device. /n, /s, /a, /b, /t - See PTR command. EXEC [/c] [/e] f ...
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IBM 3770 - page 18
3770Link 16 Command Syntax Description IFERROR< nnnn label If er ror code less than nnnn , branch to label. IFERROR>= nnnn label If error code greater than or equal to nnnn , branch to label. IFERROR<= nnnn label If error code less than or equal to nnnn , branch to label. IFERROR!= nnnn label If error code not equal t o nnnn , branch to la ...
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IBM 3770 - page 19
Demo User’s Guide 17 Command Syntax Description RCV [/t= x | /m= x ] Wait to receive a single transmission from [/PTR[ n ] | /PUN[ n ] | /EXCH[ n ]] the host. /t= x - Time-out after x seconds. /m= x - Time-out after x minutes. /PTR[ n ], /PUN[ n ], /EXCH[ n ] - Receive only printer, punch or exchange files on subaddress n. RCV_FC /d | /i /d - Dec ...
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IBM 3770 - page 20
3770Link 18 Command Syntax Description START_LU_SCRIPT file [ luname ] Start LU script file execution on luname. SUBMIT file [[/p | /j] | /b] [/t= x | /m= x ] Wait for existence of file , then send file to the host. /p - Pad each record with spaces. /b - T ransmit in binary mode. /j - Scan file for include records. /d - Delete file regardless of su ...
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