Can't connect Modem USB stick to RB951Ui-2Hnd

Dear All,

I’m newbie in mikrotik session. 2 month ago I bought RB951Ui-2Hnd and perhaps learning more about mikrotik operate.
Now, I have planning short about networking share internet at my home with topology:
USB Modem stick(Ti-phone H300) – RB951Ui-2Hnd - - laptop(this laptop will be connect to wireless RB951Ui-2Hnd)
.
USB modem will be plug into RB951Ui-2Hnd, and of course in the winbox, this stick modem have detect as modem device
New Picture.jpg
and picture of USB modem is
New Picture (2).jpg
.

but when I to try configure PPP out, in the box of port have been wrote is “unknown” such as picture below:
New Picture (3).jpg
actually, I don’t know what step I will do to solve this case, please help me.thanks

I have the same problem

Compare the nominal power consumption of the modem with your router’s ability to provide the power to it. You would need powered usb hub maybe.