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GSM4 Module which UCM?
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 Posted: Thursday Jun 14th, 2018 04:55 am
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idheath
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I’m thinking of buying a GSM4(3G) module, or may be rhe 2G version.

I have a spare UCM, can I use that rather than buying the whole UCM-GSM unit?

Also is the GSM4(3G) available on its own.

Thanks



 Posted: Thursday Jun 14th, 2018 06:49 am
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Swiss-Toni
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The GSM has its own UCM board if I remeber rightly



 Posted: Thursday Jun 14th, 2018 11:35 am
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slychiu
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You can buy the GSM submodule
but the UCM Firmware for GSM is diferent from the firmware for the regular UCM, so you cannot plug in a GSM onto a normal UCM baseboard
The UCM firmware  uses the Comfort  protocol while the uCM/GSM firmware talks to the GSM module using AT commands



 Posted: Thursday Jun 14th, 2018 12:10 pm
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idheath
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Thanks. So does that mean I can use my existing UCM with different firmware then?



 Posted: Thursday Jun 14th, 2018 12:17 pm
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slychiu
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Sorry I must have given the wrong explanation

No you cannot use the UCM and plug in the GSM submoduleThe UCM/GSM has a different firmware from UCM/USB/ETH



 Posted: Thursday Jun 14th, 2018 12:46 pm
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idheath
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slychiu wrote: Sorry I must have given the wrong explanation

No you cannot use the UCM and plug in the GSM submoduleThe UCM/GSM has a different firmware from UCM/USB/ETH

Ah ok so the firmware is NOT user changeable then?



 Posted: Thursday Jun 14th, 2018 01:00 pm
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slychiu
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You can upgrading firmware on the UCM only to the same Type, eg GSM to GSM, USB/ETH to USB/ETH. It is not possible to upgrade firmware to a different type




 Posted: Friday Jun 15th, 2018 07:59 am
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idheath
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Thanks for the clarification.



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