Cisco Prisma II Installation And Operation Manual page 96

Configuring the Module,
12. Used to determine if module is configured as a Master or Slave. The HEDA
modules can be hard-wired to operate as a backup or slave module in a
parallel redundant mode.
13. Click Execute.
Result: The new value displays next to the parameter.
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Continued
Operation Using LCI 78-4006323-01 Rev C