Wyse terminal setup

[bob olbrich]

Hello again,

     I could not refuse an offer on ebay for a Wyse WY-150 serial terminal.

I found the necessary extras (Wyse keyboard, standard DB25/DE9 cable,

DE9/DE9 null modem adapter). As far as I know the terminal works fine.

I can access the setup mode, and the function keys of the keyboard seem

to be working. However, I cannot get the terminal to display any connection

to the AD. I wish I had a breakout box or a serial data analyzer, but I don't

have that luxury.

Is there anyone out there who has a WY-150 ( or other Wyse model) that

has experience with the AD? I've got it setup for 9600 8N1 full duplex, as 

directed. It is also setup as a VT100 "personality". There are quite a few

other settings in the terminal setup. Can someone help me troubleshoot

the communication issue?

[Tom Wilson]

The Altair-Duino should be wired as a DCE device (Data Communication Equipment, aka "modem.") so your terminal should use a straight-through RS-232 cable.

One thing to check is to confirm that you have hardware flow control (DTE/DCE, DSR/CSR) turned OFF. Software flow control (XON/XOFF) is safe.

You can also do a quick loopback check with a paper clip: bridge pins 2 and 3 in the serial connector on the terminal, then type. You should  see your typing show up on the screen.

Tom Wilson
wils...@gmail.com
+1(619)940-6311 

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[John Galt]

null modem usually as well.

[bob olbrich]

Problem solved! Loopback test worked.

I removed the null modem adapter and attached the

serial cable at both ends. I turned on XON/XOFF for

receive and transmit. I did not find a setting for switching

hardware flow control - on OR off. I don’t believe I changed

anything else - but it worked. I don’t why. Maybe the serial

cable needed to be reseated!? Thanks.