А что делать, если в /dev/ не появляется ttyUSB* ?
Имею такой же модем, пробовал на разных системах (ubuntu 18.04, lubuntu 17.10, Mint 18)
Bus 001 Device 005: ID 05c6:92fe Qualcomm, Inc.
В тот момент, когда определяется, как диск lsusb:
$ lsusb
Bus 002 Device 002: ID 064e:d281 Suyin Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 138a:0018 Validity Sensors, Inc. Fingerprint scanner
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 0a5c:21b4 Broadcom Corp. BCM2070 Bluetooth 2.1 + EDR
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 007 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 002: ID 05c6:92fe Qualcomm, Inc.
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
dmesg:
$ dmesg|grep tty
[ 0.000000] console [tty0] enabled
$ dmesg|grep modem
[ 16.293238] usbserial: USB Serial support registered for Qualcomm USB modem
usb-devices:
Bus=05 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=05c6 ProdID=92fe Rev=02.32
S: Manufacturer=RELINK Technologies
S: Product=RELINK Mobile
C: #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
Если отмонтировать диски, то определяется чуток по другому:
Bus 001 Device 004: ID 05c6:9201 Qualcomm, Inc. Gobi Wireless Modem (QDL mode)
ttyUSB* при этом не создаются.
dmesg ругается
[ 336.699848] usb 1-5: new high-speed USB device number 6 using ehci-pci
[ 336.860040] usb 1-5: New USB device found, idVendor=05c6, idProduct=9201
[ 336.860043] usb 1-5: New USB device strings: Mfr=3, Product=2, SerialNumber=0
[ 336.860045] usb 1-5: Product: RELINK Mobile
[ 336.860046] usb 1-5: Manufacturer: RELINK Technologies
[ 336.862627] usb 1-5: unknown number of interfaces: 6
[ 336.862712] usb 1-5: unknown number of interfaces: 6
[ 336.862799] usb 1-5: unknown number of interfaces: 6
[ 336.862871] usb 1-5: unknown number of interfaces: 6
[ 336.862960] usb-storage 1-5:1.4: USB Mass Storage device detected
[ 336.863065] scsi host6: usb-storage 1-5:1.4
[ 336.863222] usb-storage 1-5:1.5: USB Mass Storage device detected
[ 336.863386] scsi host7: usb-storage 1-5:1.5
[ 337.893426] scsi 7:0:0:0: Direct-Access USBModem Disk 2.31 PQ: 0 ANSI: 2
[ 337.896604] sd 7:0:0:0: Attached scsi generic sg4 type 0
[ 337.896632] scsi 6:0:0:0: CD-ROM USBModem Disk 2.31 PQ: 0 ANSI: 0