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VMware View serial port issue

Posted on 2013-02-04
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I have a VMware View 5.0 environment. Mostly we are using Wyse P20's as our VDI device.  I need to create a serial connection in order to access some legacy product.  I have purchased a USB/Serial dongle that I successfully used on a laptop running Windows 7 to connect to a Juniper switch so I know that the technology is basically OK.

I load up my Windows 7 linked clone desktop and connect the dongle to the device. It discovers it, I load the drivers and it becomes com3. I have tried two different connection programs; one as a thinapp and one installed locally. I have also tried a different brand of VDI device that has the tera2 chipset. Both devices have the latest firmware from Teradici.

In all cases I get the same thing. I can connect to the remote system just fine.  However, whenever I type, I get some wrong characters. For example, the first time I type most letters, I get a different letter, but then the next time I'm OK -if I type JJ I'll get an "m" and then the next time a "J". And the issue continues as I type, which obviously makes this unworkable. I've also tried various flow control settings both on the com3 port in Device Manger as well as within the apps; the issue persists.

Anyone have any thoughts on this?

thanx...
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Question by:jhyiesla
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3 Comments
 
LVL 123
ID: 38854470
if you connect to the VM manually via vCenter Server console, and connect the USB device to your PC, and then connect the serial port - does it function correctly?
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jhyiesla earned 0 total points
ID: 38854805
Actually nothing worked. But we finally did figure it out. When we make this kind of connection to an old fashioned CRT we just jumpers in the connector - we make up our own. When we went to PCs a few years ago and started to abandon CRTs we found that we only really need RX, TX and GRND. These have worked well and the 9-pin connector I was using came from a known good working system. But when I couldn't even get it to work directly connected to a laptop, I started to suspect the connector or the line.  It had been years since I had looked at the config, but when I pulled out my old documentation I could see where we used jumpers in the connectors and wondered if that may be the problem.  In once sense it sounds right, but in the other it's kind of a silly notion as the config I was using has been working fine.  Anyway, one of my colleagues made up a new connector with the jumpers and we are good. I tested it on the direct serial connection in the Windows 7 laptop, I tested it with the USB dongle in the same laptop and on the Wyse P20. Worked perfectly each time.

Thanx for the input.
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by:jhyiesla
ID: 38854807
We ended up discovering the issue on our own
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