유통업체에서 제공한 Broadcom BCM59121B0KMLG에 대한 설명입니다.
Octal Integrated IEEE 802.3at-Compliant PSE Controller with 8 Low-RDS
Switching Regulator for Routers/Switches SMB/Enterprise/SOHO/Commercial POE Lighting, 500mA, 44V/57V, QFN-56 SMD 8mm × 8mm × 900μm
Power Over Ethernet (POE) Controller
Ethernet CTLR Single Chip 3.3V