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SX20 USB to Serial Control

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This document was generated from CDN thread

Created by: Marco Vranish on 15-02-2013 10:41:24 AM
David as you are thone who wrote the module for the codec control for crestron.  I have a question on the SX20, i have got the module to work using the USB dongle but after a short period of time it stops communicating to the Codec.  If i just reboot the codec everything works again, then shortly after just stops.  Do you have any advise or answers why the usb port seems to stop responding?
 
 

Subject: RE: SX20 USB to Serial Control
Replied by: Jonathan Drennan on 22-02-2013 08:35:16 AM
Marco,
I am observing a similar behaviour when testing with a unit here.  My initial testing indicates it may be related to the sleep function of the codec.  When the codec goes into sleep mode it appears the USB ports may become unresponsive.  David is this the potential source of this issue and could you provide any potential work around for us to continue using the USB to RS-232 adapter with this unit?
 
Thanks,
 
JD

Subject: RE: SX20 USB to Serial Control
Replied by: Marco Vranish on 25-02-2013 01:48:13 PM
Jonathan,
            I am not sure its tied to the Sleep function, as results when it disconnects varies.  We have seen it disconnect when performing operations to the codec also.  I have moved to using a IP module to control the Codec and seems to work for everything i am doing.  I had a case open with a TAC engineer that wanted to RMA the unit but i dont believe this is a bad unit.  I think its a Driver issue on the codec to the USB adapter.  Thanks for labbing this up, i ppreciate your time.
 
Marco

Subject: RE: SX20 USB to Serial Control
Replied by: David Bruun-Lie on 28-02-2013 04:01:21 AM
Hi Marco,
we are aware that the usb->serial on the SX20 seems to periodically stop working. We are working on a fix for this. It will require a SW update on the codec. It is not in the Crestron module.
 
Regards,
David
 

Subject: RE: SX20 USB to Serial Control
Replied by: Jonathan Drennan on 28-02-2013 10:02:51 AM
Thanks for this feedback David.  Not to pressure, but would you have any idea on approximate timeframe for this SW release?
 
Thanks,
 
JD

Subject: RE: SX20 USB to Serial Control
Replied by: Justin Ferello on 04-03-2013 02:03:19 PM
David,
Any chance you could provide us with the Cisco bug number?
Thanks,
Justin

Subject: RE: SX20 USB to Serial Control
Replied by: Danny De Ridder on 15-03-2013 09:10:04 AM
Justin Ferello:
David,
Any chance you could provide us with the Cisco bug number?
Thanks,
Justin

Sure : CSCud08102 - SX20 Serial to USB Port Stops Responding\locked Up
 
 

Subject: RE: SX20 USB to Serial Control
Replied by: JOHN GUY on 22-03-2013 08:26:50 PM
I see lots of posts for sending serial commands using the C20 USB port. Does anyone have information sending serial commands using the IR interface?  I would like to send serial commands to a Crestron controller using IR bud. Thank you

Subject: RE: SX20 USB to Serial Control
Replied by: Radha krishna on 23-09-2013 11:59:34 PM
Marco Vranish:
Jonathan,
            I am not sure its tied to the Sleep function, as results when it disconnects varies.  We have seen it disconnect when performing operations to the codec also.  I have moved to using a IP module to control the Codec and seems to work for everything i am doing.  I had a case open with a TAC engineer that wanted to RMA the unit but i dont believe this is a bad unit.  I think its a Driver issue on the codec to the USB adapter.  Thanks for labbing this up, i ppreciate your time.
 
Marco
Hi Macro,

Even we've configured using the IP Module, but observing the same problem as listed above. i.e., the unit becomes non-responsive after some time. Thanks in advance for the help

Radha

Subject: RE: SX20 USB to Serial Control
Replied by: Jonathan Drennan on 24-09-2013 08:15:11 AM
What version of the firmware is currently installed on the codec you are using?  The USB to RS-232 issue was resolved via the release of 6.1.X and we have been testing with 6.2 which seems to have resolved the issues.  I have not been testing with IP based communications but a firmware update may potentially resolve some of your issues.

Hope this helps,

JD

Subject: Re: New Message from Jonathan Drennan in TelePresence Developer - Crestron
Replied by: Radha krishna on 24-09-2013 08:33:50 AM
Thanks for the prompt reply. Will check and revert



Thanks & Best Regards

Radhakrishna

Sent from my iPhone

> On 24-Sep-2013, at 6:45 pm, Admin Tandberg Developer <cdicuser@developer.cisco.com> wrote:
>
> Jonathan Drennan has created a new message in the forum "Crestron Control": -------------------------------------------------------------- What version of the firmware is currently installed on the codec you are using?  The USB to RS-232 issue was resolved via the release of 6.1.X and we have been testing with 6.2 which seems to have resolved the issues.  I have not been testing with IP based communications but a firmware update may potentially resolve some of your issues.
>
> Hope this helps,
>
> JD
> --
> To respond to this post, please click the following link: http://developer.cisco.com/web/telepresence-developer/forum/-/message_boards/view_message/19521524 or simply reply to this email.
Comments
Beginner

I have recently run into this problem myself, where an SX20 will randomly stop communication at the USB port after a few days.  The units (6 so far) I am seeing it on are running either CE9.3.2 or CE9.5.0.  Is this a bug that has snuck it's way back in possibly?  This is the latest info I have found on this particular issue so far and it looks like the bug was fixed in 6.1.X.  

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