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TheFox21
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hEX (RB750Gr3) Serial Console

Tue Jul 02, 2019 3:11 pm

Hi,

how can I enable a Serial Console on my hEX (RB 750G r3). Since it doesn't have a serial port is it possible via the USB port? I found this Reddit post but was not revealing.
 
r00t
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Re: hEX (RB750Gr3) Serial Console

Tue Jul 02, 2019 3:43 pm

Sadly there is UART on the board (you could solder the connection) but it's not enabled in ROS and thus not usable by user.
So only way is to use usb to serial converter and after it appears in Ports, enable Console on it.
 
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Re: hEX (RB750Gr3) Serial Console

Tue Jul 02, 2019 4:10 pm

Is this a requirement that could be well served by the raspberry pi?
I'd rather manage rats than software. Follow my advice at your own risk! (Sob & mkx forced me to write that!)
 
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Re: hEX (RB750Gr3) Serial Console

Tue Jul 02, 2019 4:17 pm

So only way is to use usb to serial converter and after it appears in Ports, enable Console on it.
Why a USB to Serial Converter? My PC has a USB port and the Routerboard has a USB Port. So is a Serial Converter really necessary? Why not using a USB to USB cable?
 
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Re: hEX (RB750Gr3) Serial Console

Tue Jul 02, 2019 5:54 pm

Why a USB to Serial Converter? My PC has a USB port and the Routerboard has a USB Port. So is a Serial Converter really necessary? Why not using a USB to USB cable?

Because in ROS serial console is ... well ... serial.

So you need a gadget which provides serial port over USB. You can plug another such gadget to your computer and use serial cable to connect the DB-9 ports of both gadgets.
Yeah, I know, sounds kind of stupid to use such cabling when simple USB2USB connection should do, but USB standard (up to, USB2.0 with USB OTG) doesn't allow direct connection between two USB hosts (and PCs and RBs are always USB hosts ... contrast that with USB devices, such as keyboards or mice).
BR,
Metod
 
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Re: hEX (RB750Gr3) Serial Console

Tue Jul 02, 2019 9:21 pm

So you need a gadget which provides serial port over USB. You can plug another such gadget to your computer and use serial cable to connect the DB-9 ports of both gadgets.
OK, so just to make sure I understand you, I need a cable/adapter which provides USB to Serial Port which I connect to the Routerboard on the USB side. Further I need another USB to Serial Port cable which I connect on the USB side to my PC. And both Serial Ports I connect. So I have USB to Serial Port to Serial Port to USB, right?
 
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Re: hEX (RB750Gr3) Serial Console

Tue Jul 02, 2019 10:56 pm

That's how it can be done.
BR,
Metod
 
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raystream
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Re: hEX (RB750Gr3) Serial Console

Wed Jul 03, 2019 8:26 am

or you can use a Woobm USB Stick from mikrotik
you can connect wireless to that stick and use the serial console over web or telnet.
 
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Re: hEX (RB750Gr3) Serial Console

Wed Jul 03, 2019 11:47 am

or you can use a Woobm USB Stick from mikrotik
This sounds like it's exactly what I'm looking for.

Thank you very much for your time everyone.

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