User`s guide

System Repairs
77 A7 48UU Rev03 3-11
3.3.2 Replacing the Director and Communication Card
This procedure is valid for all DIRECTORS except DA#1:
• switch Disk Director to ENABLE, Channel DIRECTORS to DISABLE on the
operator panel.
• display the Hot replacement menu, then select the card type.
The figure below illustrates schematically the steps involved in this procedure:
DIRECTOR Number Choice
Confirmation ?
Disable DIRECTOR
Extract DIRECTOR
Put New DIRECTOR in place
Enable New DIRECTOR
Disable New DIRECTOR
Pull New DIRECTOR out
Put New DIRECTOR in place again
Enable New DIRECTOR
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Figure 3-2. Director and COM Card Replacement Procedure