Communication apparatus
OwnerSeiji Kitayamainventor
Life of this patent
Estimating the term…
Abstract
A communication apparatus and method which can quickly determine the link condition of the data link layer is provided. The communications apparatus comprises a receiving unit operable to receive link status flags, the link status flags included in frames received over a data communication link in response to link status flags included in frames transmitted over the data communication link, and a link status determination unit operable to determine whether a condition of the data communication link is normal based on whether the link status flags are received within a predetermined time.
Claims26
A communications apparatus comprising:
- a receiving unit operable to receive link status flags, the link status flags included in frames received over a data communication link in response to link status flags included in frames transmitted over the data communication link;
- and
- a link status determination unit operable to determine whether a condition of the data communication link is normal based on whether the link status flags are received within a predetermined time.
A data link monitoring control method for communication apparatus comprising the steps of:
- receiving unit link status flags, the link status flags included in frames received over a data communication link in response to link status flags included in frames transmitted over the data communication link;
- and
- determining whether a condition of the data communication link is normal based on whether the link status flags are received within a predetermined time.
Dependencies are inferred from the claim text.