Changes between Version 2 and Version 3 of Resources/Notes/Serial Console


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Timestamp:
May 12, 2020, 12:35:54 AM (4 years ago)
Author:
msherman
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  • Resources/Notes/Serial Console

    v2 v3  
    1 = Node Serial Console =
     1=== Node Serial Console
    22
    33Some devices, like the USRP N310 and USRP 2974, have a serial console redirect that allows "out of band" access to their onboard system in case of network misconfiguration. The serial console is relatively slow and is not meant for normal experiment use. However, in cases where a device is no longer accessible via SSH, its serial console may be used to perform the repairs necessary to restore normal SSH access.
    … …  
    2121A single CM may be responsible for 2 or more nodes, hence the use of port numbers to differentiate between the nodes themselves.
    2222
    23 == Example ==
     23=== Example
    2424
    2525To connect to the serial console of {{{sdr2-md1.bed.cosmos-lab.org}}}:
    … …  
    4949If you get nothing after the 'Connected' greeting and no response to keyboard input, make sure that you turned the node on. It is also possible that serial redirection is not enabled on the system image used on the node, in which case this method will not work.
    5050
    51 == Exit the Serial Console ==
     51=== Exit the Serial Console
    5252
    5353To disconnect from the node's serial console, use {{{ctrl + ]}}} to bring up the telnet prompt: