[NFBCS] Terminal emulation is 3270 emulation

cathy at sks.com cathy at sks.com
Tue Feb 11 20:30:36 UTC 2020


Hi Tracy,

I am having issues with my 3270 emulation as well. If you get something
working, please let me know.

I use IBM Personal Communications and it keeps changing my font to Automatic
sizing even though I save it as Fixed Sizing. I am constantly having to
switch it back to fixed sizing any time I change windows between Super
Wilber, TSO, our applications, etc.   For me this started occurring when I
switched to Windows 10. I have talked with someone that is very good at
scripting and he could not get it to work properly.


-----Original Message-----
From: NFBCS <nfbcs-bounces at nfbnet.org> On Behalf Of Tracy Carcione via NFBCS
Sent: Tuesday, February 11, 2020 2:39 PM
To: NFB in Computer Science Mailing List <nfbcs at nfbnet.org>
Cc: Tracy Carcione <carcione at access.net>
Subject: Re: [NFBCS] Terminal emulation is 3270 emulation

Thanks Jack for the clear explanation.
I have good scripts for 3270 emulation.  They are reading the screen well,
until I start editing something, and Jaws gets all confused.
It gets just as confused if I don't have the script running.

One of the list members who works for FS is kindly taking a look.  If he
can't figure it out, I'll definitely keep Secure CRT in mind.
Tracy

> The emulation and the connection protocol are 2 different things.  The 
> communications protocol determines how characters are sent over the 
> wire.  The emulation determines which characters are  sent. If you 
> press a key on your keyboard, it could send just about anything to the 
> mainframe.  You have to have a terminal emulator program that knows to 
> send the same keys that an old IBM 3270 terminal would have sent. Its 
> like if you call somebody on the phone, that doesn't mean they are 
> going to understand what you say. Calling someone on the phone is 
> establishing the connection protocol. In your case, you use telnet, 
> not ssh. But even after you get connected, you have to talk the same
language.
>
> I am kind of surprised putty worked at all. I think SecureCRT is worth 
> a try though. Ggoogling shows me that TN3270 emulation was added to 
> SecureCRT in 2015.
>
> If you are really desperate, jaws has a really nice scripting 
> environment. You might be able to write a jaws script for Hummingbird. 
> I haven't written a jaws script in 20 years but at one time, Freedom 
> Scientific tech support was willing to help with that. For them, its 
> getting a programmer to work for free. At one time at least, they were 
> smart enough to be very helpful.
>
>
>
>
>
>> Glen G reminds me that my kind of terminal emulation is 3270 
>> emulation, just to clear up my sloppy terminology.
>> Tracy
>>
>>> I am trying to access an IBM mainframe, and use TSO/ISPF on it.
>>> I'm a bit unclear about SSH, even after reading about it.  My boss 
>>> does have PuTTY, and tried getting into the mainframe with it, but 
>>> he said it showed the screens in a very strange way, with the whole 
>>> screen on 1 long line, if I understood him right.
>>>
>>> I'll ask him about Open SSH, but it may be the same as PuTTY.  He 
>>> knows more about this than I do.  I'm basically a mainframe 
>>> programmer.  The protocols that get me into the mainframe and let me 
>>> do my job don't mean much to me.
>>>
>>> Steve J has recommended some fonts, but my emulator doesn't have them.
>>> Tracy
>>>
>>>> Hello Tracy,
>>>>
>>>> If you are trying to access a Linux environment, JAWS supports 
>>>> putty and SecureCRT "https://www.vandyke.com/products/securecrt/".
>>>>
>>>>
>>>> Regards
>>>> Louis Maher
>>>> Phone: 713-444-7838
>>>> E-mail ljmaher03 at outlook.com
>>>>
>>>> -----Original Message-----
>>>> From: NFBCS <nfbcs-bounces at nfbnet.org> On Behalf Of Tracy Carcione 
>>>> via NFBCS
>>>> Sent: Tuesday, February 11, 2020 9:40 AM
>>>> To: nfbcs at nfbnet.org
>>>> Cc: Tracy Carcione <carcione at access.net>
>>>> Subject: [NFBCS] Terminal emulation
>>>>
>>>> I am really stuck.  Hummingbird works well, so long as I don't type.
>>>> Once
>>>> I start typing, according to Jaws, the font goes to no font, and 
>>>> Jaws can't find the cursor.
>>>> I called Jaws, and they just said to try a bunch of font sizes.  I 
>>>> did that, but it all works the same--typing turns to no font.
>>>>
>>>> I asked Jaws if changing the cursor dimensions through the setting 
>>>> center would help, and the gal said no.
>>>>
>>>> Hummingbird is what my coworkers are using, and it's so close to 
>>>> working for me, but not close enough.  I guess I'll have to try 
>>>> other software, when I can get someone with admin rights to install 
>>>> a demo copy for me.
>>>>
>>>> I'd welcome any ideas more useful than randomly changing fonts.
>>>> Tracy
>>>>
>>>>
>>>>
>>>>
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