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userdoc:usbtty_serial_login [2017/04/28 22:39] abelbeck |
userdoc:usbtty_serial_login [2017/04/29 08:09] (current) abelbeck |
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Many **Generic x86 Boards and Appliances** provide a DB9-RS232 serial port for console access, and since modern PC's / Notebooks / Chromebooks do not have a serial port, a USB-to-Serial cable adapter must be used. You probably already knew that. | Many **Generic x86 Boards and Appliances** provide a DB9-RS232 serial port for console access, and since modern PC's / Notebooks / Chromebooks do not have a serial port, a USB-to-Serial cable adapter must be used. You probably already knew that. | ||
- | What is new is the ability to connect a second USB-to-Serial cable adapter, back-to-back, to a USB port on your AstLinux box and automatically spawn getty to establish a login. | + | What is new is the ability to connect a second USB-to-Serial cable adapter |
!!Note: AstLinux 1.2.10 or later is required!! | !!Note: AstLinux 1.2.10 or later is required!! | ||
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It is recommended to use a USB-to-Serial adapter containing a FTDI chipset, which is supported in AstLinux and is built-in to most modern OS's including Chromebooks. | It is recommended to use a USB-to-Serial adapter containing a FTDI chipset, which is supported in AstLinux and is built-in to most modern OS's including Chromebooks. | ||
- | The two USB-to-Serial adapters are connected together with a [[wp> | + | The two USB-to-Serial adapters are connected together with a DB9 [[wp> |
To be clear, the back-to-back USB-to-Serial adapters do not have to use the same chipset or brand, as long as internal driver support exists for each USB end, respectively. | To be clear, the back-to-back USB-to-Serial adapters do not have to use the same chipset or brand, as long as internal driver support exists for each USB end, respectively. | ||
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**Operation: | **Operation: | ||
- | Connect | + | Join the two USB-to-Serial adapters together |
Plug one USB connector into your PC / Notebook / Chromebook, start a terminal emulator (screen, minicom, etc.) at 115200 baud (unless changed). | Plug one USB connector into your PC / Notebook / Chromebook, start a terminal emulator (screen, minicom, etc.) at 115200 baud (unless changed). |