Users Guide

Table Of Contents
Contents 5
Legacy (Reduced Capacitor) Detection . . . . . . 75
Classification
. . . . . . . . . . . . . . . . . . . . 75
Port Start Up
. . . . . . . . . . . . . . . . . . . . 76
Overload Detection and Port Shutdown
. . . . . . 76
Disconnect Detection
. . . . . . . . . . . . . . . 76
IC Thermal Monitoring
. . . . . . . . . . . . . . . 76
Over-Temperature Protection
. . . . . . . . . . . 76
4-Pair Ports
. . . . . . . . . . . . . . . . . . . . . 77
IEEE 802.3bt Capability
. . . . . . . . . . . . . . . . . . 78
PoE Port Capabilities and Power Limits
. . . . . . 78
Key PoE Plus Features
. . . . . . . . . . . . . . . 80
Power Over Ethernet (PoE) Support
. . . . . . . . 81
PoE Plus Support
. . . . . . . . . . . . . . . . . . 81
PoE 60W Support
. . . . . . . . . . . . . . . . . . 82
Powered Device Detection
. . . . . . . . . . . . . 82
PoE Power Management Modes
. . . . . . . . . . 82
Power Management in Guard Band
. . . . . . . . 84
PoE Plus Default Settings
. . . . . . . . . . . . . . 86
Switching Features
. . . . . . . . . . . . . . . . . . . 87
Flow Control Support (IEEE 802.3x)
. . . . . . . . . 87
Head of Line Blocking Prevention
. . . . . . . . . 87
Jumbo Frames Support
. . . . . . . . . . . . . . . 87
Auto-MDI/MDIX Support
. . . . . . . . . . . . . . 87
VLAN-Aware MAC-based Switching
. . . . . . . . 87
Back Pressure Support
. . . . . . . . . . . . . . . 88
Auto-negotiation
. . . . . . . . . . . . . . . . . . 88
Storm Control
. . . . . . . . . . . . . . . . . . . . 88
Port Mirroring
. . . . . . . . . . . . . . . . . . . . 89
Static and Dynamic MAC Address Tables
. . . . . 89
Link Layer Discovery Protocol (LLDP)
. . . . . . . 89
Link Layer Discovery Protocol (LLDP) for Media
Endpoint Devices
. . . . . . . . . . . . . . . . . . 90