Communication system and communication apparatus controlling...

Details Communication system and communication apparatus controlling... Communication system and communication apparatus controlling...

2009-05-13

2011-12-20

Kizou, Hassan (Department: 2472)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S360000, C718S104000

Reexamination Certificate

active

08081638

ABSTRACT:
A CPU of an image forming apparatus controls, according to establishment of a sleep change condition, a MAC/PHY in a network unit to change the image forming apparatus from a link-up state to a link-down state. The CPU controls the image forming apparatus to change from a normal mode to a deep sleep mode. A CPU of the network unit controls, according to the change of the image forming apparatus from the normal mode to the deep sleep mode, the MAC/PHY to change the link-down state of the image forming apparatus to the link-up state. The CPU controls the MAC/PHY to transmit a MAC address necessary for causing the image forming apparatus to participate in VLAN to a switching hub.

REFERENCES:
patent: 2007/0240004 (2007-10-01), Maeda
patent: 2001-154763 (2001-06-01), None
patent: 2007-276341 (2007-10-01), None

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