Fujitsu Eternus DX80 S2 Hardware Installation page 21

Operator Panel - Function Button(2)

The operation can be performed by carrying out the following
steps

To toggle the system status between "Maintenance" and "Normal"
• Keep the Function Button pushed for three seconds
• The MAINT/ID LED lights green when the system is in Maintenance mode
• The MAINT/ID LED is off when the system is in Normal mode

Switch the functionality of Master CM to the other Controller Module
• Push down the Function Button twice within three seconds
• The Master LED lights green to indicate the Master CM

Reset the LAN ports of the CM to the default values
• Push down the Function Button three times within three seconds
• The MAINT/ID LED blinks green for a few seconds
Hardware Installation ETERNUS DX80 S2 and DX90 S2 20 Copyright Fujitsu Technology Solutions, Release August 2011