Note: This manual refers to the revised board using the T8105 switching chip, Blackfin
DSPs, and the HFC8S BRI Interface chip. As these chips are different than those used
on earlier boards, there may be minor differences in the operation of the board. Those
using the earlier revision should use the 258M001A revision of this manual. The revised
board is functionally equivalent to the earlier board with the exception that the voice
record and playback cpabilities have been added. Specifically, this manual refers to
firmware versions 02.0b and later.
Note: The rear board used with this revision of the BRI board has also been revised and
is incompatible with earlier revisions. The front board MUST be used with the revised
rear board and MAY NOT be used with earlier versions of the front board. The revised
rear board MAY NOT be used with earlier versions of the front board. Installing
incompatible front and rear boards WILL result in damage to both boards.
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