Artesyn ATCA-7365 Installation and Use (November 2014) - Manual (Page 159)

Functional Description
ATCA-7365 Installation and Use (6806800K65N) 159
The FRU information of the various modules including front board, RTM, and other modules
can be read via the IPMC and if necessary upgraded through the IPMC.
The IPMC features Serial Over LAN (SOL) for the payload CPU serial console. The SOL interface
is available via the ATCA Base I/F. SOL is activated by specific IPMI commands.
5.12 Serial Redirection
The CPU serial redirection re-routes the console input and output; that is the text output to the
text screen and input from the standard keyboard. The console typically is used by the BIOS
setup menus, BIOS initialization and boot routines, OS boot loaders and loaded OSs.
The serial console of the payload CPU is available via SOL. In addition to the SOL capability the
serial console is also available on the blade face plate using a RJ45 connector with Cisco pin-out.
If a SOL session is established, only the output is available on the face plate. Input is not possible
during this time via the face plate. Alternatively to the CPU serial console, the IPMC serial
console is also available on the face plate serial connector. It can be selected via specific IPMI
OEM command.
5.13 Serial Over LAN
Serial Over LAN (SOL) enables suitably designed blades and servers to transparently redirect a
serial character stream of a baseboard UART to/from a remote client via LAN over RMCP+
sessions. This enables users at remote consoles to access the serial port of a blade/server and
interact with a text-based BIOS console, operating system, command line interfaces, and serial
text-based applications.
The IPMC provides a dedicated sideband connection to the Base Interface Ethernet controller.
This connectivity is not shared with IPMB-0 or any other I2C/SMBus/IPMB connections that the
IPMC may use on the Blade for hardware management. Data from the payload serial
redirection is routed through the sideband connection to the Base I/F. Vice versa the Ethernet
controller filters packets based on either MAC address, Remote Management Control Protocol
(RMCP) port number, or IP address and forwards them to the serial redirection over the
sideband interface. Alternatively routing of SOL via PCIe may be considered if feasible by
design.
Client software like OpenIPMI is required to enable SOL and to communicate with the SOL
based serial console.