UP-3GHAT-A20-0001 - device disconnected

New Member Posts: 2

Hi Teams,

I have problems with the UP-3GHAT-A20-0001 module, on several occasions it disconnects from the USB bus and it is necessary to reselect the bus.
For example: ttyUSB6 connection disconnects, it is necessary to reselect ttyUSB0.
I have Linux Debian 12 installed:

[100931.181219] option1 ttyUSB6: GSM modem (1-port) converter now disconnected from ttyUSB6
[100931.181344] option 1-7.2.4:1.3: device disconnected
[100931.184994] qmi_wwan 1-7.2.4:1.4 wwan0: unregister 'qmi_wwan' usb-0000:00:14.0-7.2.4, WWAN/QMI device
[100934.732589] usb 1-7.2.4: new high-speed USB device number 9 using xhci_hcd
[100934.834395] usb 1-7.2.4: New USB device found, idVendor=05c6, idProduct=9003, bcdDevice= 0.00
[100934.834410] usb 1-7.2.4: New USB device strings: Mfr=3, Product=2, SerialNumber=4
[100934.834416] usb 1-7.2.4: Product: UMTS/HSPA Module
[100934.834420] usb 1-7.2.4: Manufacturer: Quectel, Incorporated
[100934.841241] option 1-7.2.4:1.0: GSM modem (1-port) converter detected
[100934.841430] usb 1-7.2.4: GSM modem (1-port) converter now attached to ttyUSB0
[100934.841613] option 1-7.2.4:1.1: GSM modem (1-port) converter detected
[100934.841770] usb 1-7.2.4: GSM modem (1-port) converter now attached to ttyUSB1
[100934.841944] option 1-7.2.4:1.2: GSM modem (1-port) converter detected
[100934.842091] usb 1-7.2.4: GSM modem (1-port) converter now attached to ttyUSB2
[100934.842253] option 1-7.2.4:1.3: GSM modem (1-port) converter detected
[100934.842400] usb 1-7.2.4: GSM modem (1-port) converter now attached to ttyUSB3

Regards

Ruben

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