Fujitsu MJA2500BH Maintenance Manual - Page 274
Slumber mode, Operations
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Operations (3) Slumber mode In this mode, the (deep) Power Save mode is set for the interface circuit. The device switches to Slumber mode when the following occurs: • The device receives the PMREQ_P signal from the host and responds with the PMACK signal. • The device sends the PMREQ_S signal and the host responds with PMACK signal. The device cannot switch to Slumber mode if the following condition is satisfied: • The device responds with the PMNAK signal because it is not waiting for commands. The device returns to Active mode from Slumber mode when the following condition is satisfied: • The device receives the COMRESET or ComWake signal from the host. 6-12 C141-E293
Operations
(3) Slumber mode
In this mode, the (deep) Power Save mode is set for the interface circuit.
The device switches to Slumber mode when the following occurs:
•
The device receives the PMREQ_P signal from the host and responds with the
PMACK signal.
•
The device sends the PMREQ_S signal and the host responds with PMACK
signal.
The device cannot switch to Slumber mode if the following condition is satisfied:
•
The device responds with the PMNAK signal because it is not waiting for
commands.
The device returns to Active mode from Slumber mode when the following
condition is satisfied:
•
The device receives the COMRESET or ComWake signal from the host.
6-12
C141-E293