Type is: Globetrotter HSDPA Modem ICON225 (option)
OS: Raspbian
When I plug in the modem it is switched from CD-mode to modem mode and 3 serial devices are created: ttyHS0, ttyHS1 and ttyHS2 but when I try to connect to one of them and type AT commands I get no response.
Dmesg shows after startup:
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[ 7321.046281] usb 1-1.2: new full-speed USB device number 23 using dwc_otg
[ 7321.149130] usb 1-1.2: New USB device found, idVendor=0af0, idProduct=6971
[ 7321.149197] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 7321.149218] usb 1-1.2: Product: Globetrotter HSDPA Modem
[ 7321.149233] usb 1-1.2: Manufacturer: Option N.V.
[ 7321.149247] usb 1-1.2: SerialNumber: Serial Number
[ 7321.158204] usb-storage 1-1.2:1.0: USB Mass Storage device detected
[ 7321.629010] usb-storage: probe of 1-1.2:1.0 failed with error -5
[ 7321.706240] hso: drivers/net/usb/hso.c: Option Wireless
[ 7321.706471] hso 1-1.2:1.0: Not our interface
[ 7321.711736] usbcore: registered new interface driver hso
[ 7321.830839] usb 1-1.2: USB disconnect, device number 23
[ 7324.116364] usb 1-1.2: new full-speed USB device number 24 using dwc_otg
[ 7324.225543] usb 1-1.2: New USB device found, idVendor=0af0, idProduct=6971
[ 7324.225581] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=4
[ 7324.225597] usb 1-1.2: Product: Globetrotter HSDPA Modem
[ 7324.225611] usb 1-1.2: Manufacturer: Option N.V.
[ 7324.225624] usb 1-1.2: SerialNumber: Serial Number
[ 7324.240638] usb-storage 1-1.2:1.0: USB Mass Storage device detected
[ 7324.253914] usb-storage 1-1.2:1.1: USB Mass Storage device detected
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[ 7144.381223] usb 1-1.2: new full-speed USB device number 21 using dwc_otg
[ 7144.484000] usb 1-1.2: New USB device found, idVendor=0af0, idProduct=6971
[ 7144.484038] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 7144.484055] usb 1-1.2: Product: Globetrotter HSDPA Modem
[ 7144.484069] usb 1-1.2: Manufacturer: Option N.V.
[ 7144.484082] usb 1-1.2: SerialNumber: Serial Number
[ 7144.491951] usb-storage 1-1.2:1.0: USB Mass Storage device detected
[ 7145.045779] usb-storage: probe of 1-1.2:1.0 failed with error -5
[ 7145.046065] hso 1-1.2:1.0: Not our interface
[ 7145.049711] usb 1-1.2: USB disconnect, device number 21
[ 7147.451315] usb 1-1.2: new full-speed USB device number 22 using dwc_otg
[ 7147.560420] usb 1-1.2: New USB device found, idVendor=0af0, idProduct=6971
[ 7147.560457] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=4
[ 7147.560474] usb 1-1.2: Product: Globetrotter HSDPA Modem
[ 7147.560488] usb 1-1.2: Manufacturer: Option N.V.
[ 7147.560501] usb 1-1.2: SerialNumber: Serial Number
[ 7147.574885] usb-storage 1-1.2:1.0: USB Mass Storage device detected
[ 7147.587190] usb-storage 1-1.2:1.1: USB Mass Storage device detected
Does anyone know which type of modem works best?
Thanks a lot