Access your NodeGrid via telnet, ssh, or console, and log in as admin.
Type the following commands to add Console device to NodeGrid:
[admin@nodegrid /]# add /settings/devices/
[admin@nodegrid {devices}]# set name=<device_name>
[admin@nodegrid {devices}]# set type=device_console
[admin@nodegrid {devices}]# set ip_address=<device_IP>
[admin@nodegrid {devices}]# set username=<admin_user>
[admin@nodegrid {devices}]# set credential=set_now
[admin@nodegrid {devices}]# set password=<admin_user_password>
[admin@nodegrid {devices}]# set mode=enabled
[admin@nodegrid {devices}]# save
Note: hitting <TAB> completes the command and show possible options