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7171.doc
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1991-10-09
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File 7171.DOC
AUTOMATIC LOGIN TO IBM MAINFRAMES FROM MS-DOS KERMIT
Christine M. Gianone
Manager, Kermit Developement and Distribution
CUCCA/AcIS
October 1991
This file describes two separate MS-DOS Kermit files for use with Columbia's
IBM mainframe VM/CMS computers:
7171.SCR: A login script.
7171.INI: A key settings file.
THE 7171.SCR FILE
7171.SCR is a script program for logging you in to a Columbia University
VM/CMS system such as CUVMB, CUVMC, or CUVML, or to Columbia Library
Information Online (CLIO) using MS-DOS Kermit from a campus Rolmphone, either
a D-type data phone or a 244PC, through an IBM 7171 full-screen 3270 protocol
converter.
Although you can run this script program from within Kermit by typing the
command "TAKE 7171.SCR", it is intended to be run from DOS command level
via DOS Batch programs that can feed it certain information to customize its
actions. Several of these Batch programs are provided:
SIMB.BAT - Connects you to CUVMB.
SIMC.BAT - Connects you to CUVMC.
SIML.BAT - Connects you to CUVML.
CLIO.BAT - Connects you to CLIO (no user ID or password required).
To use these batch files, and 7171.SCR itself, you must be running MS-DOS
Kermit 3.11 or later, and it must be installed as KERMIT.EXE in a directory
that is part of your DOS PATH definition. 7171.SCR and the related Batch
files should be in the same directory. For hard disk systems, this would
normally be the directory C:\KERMIT\.
For detailed instructions on installation and use of MS-DOS Kermit, see the
Second Edition of "Using MS-DOS Kermit", available in the CUCCA/AcIS Business
Office in 102 Philosophy and at local bookstores.
Run any of these Batch programs just by typing its name (the part before
".BAT"), for example:
C:\>simb
(in this example, "C:\>" is the DOS prompt, and you type "simb" and then
press the Enter key).
The Batch programs accept two optional words on the DOS command line, after
their names. The first is your mainframe user ID, for example XYZCU, and
the second is your password:
C:\>sima xyzcu secret
If you leave out your password, 7171.SCR will prompt you for it. If you
leave out the user ID and password, 7171.SCR will prompt you for both of
them. If you run 7171.SCR from inside Kermit, it will prompt you for both
of these, as well as which host to connect to, SIMB, SIMC, etc.
Passwords are ignored, and are not prompted for, in CLIO connections.
Once 7171.SCR knows your user ID and password, it tries to connect you to
the desired mainframe system through your ROLMphone, using the default
communication port and speed. Normally this is COM1 and 9600 bps, but you
can change them by putting SET commands in your MSKERMIT.INI file, for
example:
SET PORT 2
SET SPEED 19200
If 7171.SCR fails to communicate with your ROLMphone, it will give you an
informative message. Check your port and speed setting, make sure you
have a data cable connecting your PCs serial port and the ROLMphone, make
sure Kermit is using the same port the cable is connected to, make sure your
ROLMphone actually does have a working data option, etc. For detailed
troubleshooting instructions, see "Preparing for Data Communication with
the CBX".
Once 7171.SCR is talking to your ROLMphone, it attempts to connect to the
"simulator" (7171: simb, simc, etc) you have asked for, then it tries to
connect to connect to the desired VM/CMS system, then it tries to log you in
automatically, and finally it it gives you a terminal screen to the VM/CMS
host. Any of these steps can fail. If they do, you'll get an informative
error message.
Once you are successfully connected to the mainframe system, you will have a
terminal screen. The characters you type on the keyboard are sent to the
mainframe, and the characters sent by the mainframe appear on your screen.
Two special Alt-key combinations are available for your use while the terminal
screen is active. An Alt-key combination is entered by holding down the Alt
key and pressing the indicated letter while Alt is held down.
Alt-q (hold down Alt, press q):
Hang up the data connection, exit Kermit, return to DOS. You should use
Alt-Q only after you have logged out from the mainframe.
Alt-x (hold down Alt, press x):
Return to Kermit's "MS-Kermit>" prompt without logging out from the
mainframe. To get back to the mainframe, type CONNECT and then press
the Enter key.
THE 7171.INI FILE
7171.INI is an MS-DOS Kermit command file that may be used to set up function
keys for use with the 7171 front ends, SIMB, CLIO, etc, for IBM 3270 terminal
emulation with Columbia's IBM 7171 front ends. MS-DOS Kermit is very
flexible, and users may make whatever key assignments or other customizations
they find desirable by editing the 7171.INI file.
Here's a quick reference to the key assignments made by 7171.INI:
PC key IBM function PC key IBM func. PC key IBM function
F1 PF1 F2 PF2
Shift F1 PF11 Shift F2 PF12
Alt F1 PF21 Alt F2 PF22 tab -->| TAB
Ctrl F1 PA1 Ctrl F2 PA2
shift tab |<-- BACK TAB
F3 PF3 F4 PF4
Shift F3 PF13 Shift F4 PF14 Enter /___| ENTER
Alt F3 PF23 Alt F4 PF24 \
Ctrl F3 undefined Ctrl F4 undefined
Ctrl L CLEAR
F5 PF5 F6 PF6
Shift F5 PF15 Shift F6 PF16 Del DELETE CHAR
Alt F5 PA1 Alt F6 PA1
Ctrl F5 PA1 Ctrl F6 PA2 Ins TOGGLE INSERT
Gray + PA2
F7 PF7 F8 PF8 Ctrl J NEWLINE
Shift F7 PF17 Shift F8 PF18
Alt F7 undefined Alt F8 NEWLINE Ctrl Enter NEWLINE
Ctrl F7 undefined Ctrl F8 NEWLINE
F9 PF9 F10 PF10
Shift F9 PF19 Shift F10 PF20
Alt F9 undefined Alt F10 undefined
Ctrl F9 undefined Ctrl F10 undefined
7171 PC 7171 PC 7171 PC 7171 PC
PF1 F1 PF11 Shift F1 PF21 Alt F1 CLEAR Ctrl L
PF2 F2 PF12 Shift F2 PF22 Alt F2 DELETE CHAR Del
PF3 F3 PF13 Shift F3 PF23 Alt F3 ENTER Enter
PF4 F4 PF14 Shift F4 PF24 Alt F4 FIELD BACK TAB |<-- (shift tab)
PF5 F5 PF15 Shift F5 FIELD TAB -->| (tab)
PF6 F6 PF16 Shift F6 HOME undefined
PF7 F7 PF17 Shift F7 NEWLINE Ctrl J
PF8 F8 PF18 Shift F8 TOGGLE INSERT Ins
PF9 F9 PF19 Shift F9 PA1 Ctrl C or Ctrl F1 or Alt F5 or Ctrl F5
PF10 F10 PF20 Shift F10 PA2 Ctrl W or Ctrl F2 or Alt F6 or Ctrl F6
[End of 7171.DOC]