Drac/Mc Module; Important I/O Configuration Considerations - Dell PowerEdge 1855 Installation And Troubleshooting Manual

DRAC/MC Module
The DRAC/MC provides serial and Ethernet management ports, a status indicator when redundant DRAC/MCs are installed (when available), and status
indicators for the DRAC/MC and for the link to the system's onboard network interface controller (see Figure 2-11). See the documentation for the DRAC/MC
module for specific information on serial port redirection of server modules and switches.
Figure 2-11. DRAC/MC Module Features
Table 2-9. DRAC/MC Module Indicators
Indicator Type
Network interface controller link
indicator
Network interface controller activity
indicator
Primary/secondary indicator
Fault indicator
Serial connector
DRAC/MC Version 1.1 (or Later) Module
If you have a DRAC/MC version 1.1 (or later) module installed, ensure that you read that product's readme.txt file. It contains updated information, including
system indicator behavior in certain conditions.

Important I/O Configuration Considerations

CAUTION: Data loss can result if you perform certain actions on a system in which the I/O bays have not been configured correctly. Specifically,
bay 2 should have an I/O module installed only if an identical module is present in bay 1, and bay 4 should have an I/O module installed only if
an identical module is present in bay 3. Except in these cases (or in a case where you temporarily need to swap a failed I/O module in bay 1 or
3), bays 2 and 4 should be unoccupied.
Icon Activity Indicator Code
Indicator
Off LAN is not linked.
Green LAN is linked.
Off LAN is not active.
Amber Indicates that the system DRAC/MC and the LAN are communicating.
blinking
Off The DRAC/MC is a backup for the master DRAC/MC.
NOTE: For information on availability of dual (redundant) configurations for the DRAC/MC, see
www.dell.com.
Green The DRAC/MC is active for system management.
Green The DRAC/MC is in special or manufacturing mode.
blinking
Off The DRAC/MC is operating normally.
Amber In a single (nonredundant) configuration, this DRAC/MC failed. See
"Installing System Options."
Amber In a dual (redundant) configuration (when available), this DRAC/MC failed. See
blinking Module" in "Installing System Options."
None Used for a serial connection with a null modem cable.
Table 2-9 provides information about the status indicators.
"DRAC/MC Module" in
"DRAC/MC