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DC2685B-KIT
Rev. B
DESCRIPTION
DC2683A and DC2684A-B
LTC4291-1/LTC4292
4-Port IEEE 802.3bt PSE
Demonstration circuit 2685B-KIT is an Ethernet Alliance
Gen 2 PoE certified 4-port IEEE 802.3bt power sourcing
equipment (PSE) composed of a DC2684A-B (daugh-
ter card) and DC2683A (motherboard). The DC2685B-
KIT is used for evaluation of the
PSE chipset. Up to four IEEE 802.3af, IEEE 802.3at, or
IEEE 802.3bt powered devices (PDs) can be connected
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BOARD PHOTO
and powered from this system using a single power sup-
ply. A DC590 is connected to the DC2685B-KITfor I
2
C
interfacing with QuikEval™.
This demonstration manual provides a quick start proce-
dure, a DC2684A-B daughter card overview, a DC2683A
mother board overview, schematics, and layout printouts.
