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C-2 Emergency Management Port
The Emergency Management Port (EMP) allows remote server management via
a modem or direct connection. The COM2 port on your server provides an
interface to Console Manager software located in a second system.
Modem
Modem
Modem Connection
Modem
Managed Server
Direct Connection
Sensors Event
Generators
BIOS
Board Management
Controller (BMC)
Management Console
SEL,
SDR,
FRU
Viewers
Control
Operations
Console
Manager
OR
System
Event Log
(SEL)
Sensor
Data
Record
(SDR)
Phonebook
Emergency Management Port Configuration
The following server operations are available from the Console Manager:
connecting to remote servers
powering the server ON or OFF
resetting the server
SEL viewer
SDR viewer
FRU viewer.
The Console Manager has a Phonebook, which you use to connect to a selected
server.
Referring to the above figure, the Board Management Controller (BMC) in your
server monitors system management events and logs their occurrence in the
System Event Log (SEL). These include events such as over-temperature and
over-voltage conditions, fan failure, or chassis intrusion. To enable accurate
monitoring of temperature, voltage, etc. independent of an event, the BMC also
maintains Sensor Data Record (SDR) for each sensor, from which sensor
information can be retrieved.
How the EMP Works
The EMP shares use of the COM 2 port with your system. When the EMP has
control of the port, the port operates in command state. When the system has
control of it, the port operates in redirect state. When connecting to a server, the
EMP checks to determine the current COM 2 port state.