SwitchBlade x8112 Chassis Switch and AT-SBx81CFC960 Card Installation Guide
support PDs that receive power using Alternative A.
PDs that comply with the IEEE 802.3af and 802.3at standards are required
to support both power delivery methods. However, non-standard PDs and
PDs that were manufactured before the completion of the IEEE 802.3af
and 802.3at standards and that support only Alternative B will not work
with the AT-SBx81GP24 PoE Line Card.
Section I: Hardware Overview
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