... Cisco® Catalyst® 4500E Series platform offers line cards, power supplies, and accessories to support 15.4W per port simultaneously ... switch. Although all references to "Power over Ethernet" (PoE), "inline power," and "voice" power supply and line cards are synonymous. ... 3af standard PoE, and IEEE 802.3at-compliant PoEP power implementation, helping ensure backward compatibility with existing Cisco ...