[c-nsp] ASR920 Usb console issues

[Brian Knight]

On 2019-03-26 15:40, Mike wrote:
> Hello,
> 
> 
> Got a strange problem... I use my mac laptop for serial console duty
> all the time and have a keyspan usb dongle I can attach the cisco flat
> serial console cable to and other 9 pin devices and get in and do my
> thing. The ASR920 however has a straight usb serial and it doesn't
> work %100 of the time with my  laptop machines....
> 
> I am successful connecting to the ASR920 with a PC running linux and
> using minicom, do initial setup etc. But if I use my mac laptop...
> nope, I get nothing on the console. And I have another mac laptop (a
> recent mac pro with usb-c  connectors) and a dongle with usb3.0 and
> nope that doesn't work either.  I have another laptop running linux
> mint, and it also can't work.. But then I booted that laptop with
> windows... and yep, I can get in on the console just fine So, I don't
> know what to make of this but clearly on the same hardware, windows
> knows something that linux doesn't, and my desktop linux machine also
> knows something the laptop doesn't as well.
> 
> 
> Does anyone know of a fix or a trick here? I need a mobile machine
> that can talk console and I can't drag a desktop machine around for
> this job.
> 
> 
> Mike-

Mike,

The ASR920 has a USB Type A socket on the front that is wired for RS232 
instead of USB-type signaling.

Are you using the cable from A920-CONS-KIT-S to connect to the serial 
port?

I have no issues with my Mac + Keyspan dongle as long as I'm using that 
cable.

-Brian