This document is the specification for the AV/C Bulletin Board Subunit. The purpose and scope of this feature are summarized below.

Purpose: The purpose of AV/C Bulletin Board Subunit is to provide information that can be shared with other devices on a 1394 network. The information must be related to the unit where the subunit resides.

Scope: This document defines the Bulletin Board Subunit model, specific data structures and command sets. The AV/C Bulletin Board Subunit uses the descriptor mechanism defined in the AV/C Digital Interface Command Set General Specification version 3.0 and the Enhancements to AV/C General Specification 3.0, version 1.0.

There are separate documents that define board-type specific data structures.