User's Manual
Management module 32
Item Reference Description
2 Power/alarm LED Used to indicate the internal status of the management
module, and to signal warnings and critical alarms.
• If the LED is green, there is power to the
management module and conditions are normal
• If the LED is green and blinking, communication is
taking place
• If the LED is yellow, a warning has been issued
• If the LED is red, a critical alarm has been issued
• If the LED is blinking green, yellow and red, a
configuration setting change has been made. Press
and hold the C key for five seconds to save the new
configuration settings to the internal memory of the
management module.
• If the LED is off, there is no power to the
management module
3 Traffic/link LED Used to display the network connection.
• If the LED is green, there is a 10-MB connection.
• If the LED is yellow, there is a 100-MB connection.
• If the LED is green or yellow and blinking, data is
being transferred.
• If the LED is off, there is no connection.
4 Serial
communication
port
Used to establish a serial connection (cable comes
attached).
For more information, refer to "Serial interface (on page
37)."
Accessing the management module through a
terminal emulation program
1. Verify that a serial cable is connected between the management module and a host computer.
2. Launch a terminal emulation program, such as HyperTerminal ("Configuring HyperTerminal" on
page 43) or Minicom.
For information about configuring the management module, see the HP Modular Cooling System
Web Interface User Guide.
3. Log in through the terminal emulation program ("Logging in through the terminal emulation program"
on page 32).
Logging in through the terminal emulation program
1. Enter the user name in the login field. The default user name is Admin.










