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Welcome, Guest. Please login or register. Sun Apr 11, 2021 13:14
SMSTools3 Community » Help and support Bottom

[answered] more than 32 ttyACM

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Author Post
Apr 2011
Location: Ukraine
Operating system name and version: Debian 6.0.1
Version of smsd: 3.1.14
Smsd installed from: sources
Name and model of a modem / phone: LG GM205
Interface: USB

A crazy question, I know that there are better modems. I have a test done with LG GM 205 phones. It works amazingly well. But more then 32 ttyACM are not possible.

It looks like a restriction by linux kernel, notby smstools. But I am asking this community because the use case is seldom.

Any hints?


BTW: a former tested Cygwin configuration with the old 2.2.20 version works fine up to 16 GM205 devices.

May 2009
Location: Jyväskylä, Finland
I do not know for sure, but probably it's a limitation of ACM driver. At least on some systems much more than 32 ttyUSB ports are presented, but at the same time there are only 32 ACM devices.

I know one user who runs multiple servers with 32 USB modems per each. Perhaps those servers have this kind of a limitation with USB devices too.

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