Artesyn ATCA 7370 / ATCA 7370-S Installation and Use (June 2014) - Manual (Page 182)

Serial Over LAN
ATCA-7370/ATCA-7370-S Installation and Use (6806800P54F) 182
6. Start ATCA-7370 SOL session on your target with the ipmitool and the configured
IP address for the ATCA-7370 SOL interface.
ipmitool -C 1 -I lanplus -H 172.16.0.221 -U soluser -P
solpasswd -k gkey sol activate
For details on the command parameters, refer to the ipmitool documentation
available on
http://ipmitool.sourceforge.net .
To access BIOS setup screen, it is necessary to reset the payload. SOL session is only available
if the payload is powered on and initialized by the BIOS.