Users Guide

Table Of Contents
Contents 5
Legacy (Reduced Capacitor) Detection . . . . . . 76
Classification
. . . . . . . . . . . . . . . . . . . . 77
Port Start Up
. . . . . . . . . . . . . . . . . . . . 77
Overload Detection and Port Shutdown
. . . . . . 77
Disconnect Detection
. . . . . . . . . . . . . . . 77
IC Thermal Monitoring
. . . . . . . . . . . . . . . 77
Over-Temperature Protection
. . . . . . . . . . . 78
4-Pair Ports
. . . . . . . . . . . . . . . . . . . . . 78
IEEE 802.3bt Capability
. . . . . . . . . . . . . . . 79
PoE Port Capabilities and Power Limits
. . . . . . 80
Key PoE Plus Features
. . . . . . . . . . . . . . . 82
Power Over Ethernet (PoE) Support
. . . . . . . . 83
PoE Plus Support
. . . . . . . . . . . . . . . . . . 83
PoE 60W Support
. . . . . . . . . . . . . . . . . . 83
Powered Device Detection
. . . . . . . . . . . . . 84
PoE Power Management Modes
. . . . . . . . . . 84
Power Management in Guard Band
. . . . . . . . 86
PoE Plus Default Settings
. . . . . . . . . . . . . . 88
Switching Features
. . . . . . . . . . . . . . . . . . . 89
Flow Control Support (IEEE 802.3x)
. . . . . . . . . 89
Head of Line Blocking Prevention
. . . . . . . . . 89
Jumbo Frames Support
. . . . . . . . . . . . . . . 89
Auto-MDI/MDIX Support
. . . . . . . . . . . . . . 89
VLAN-Aware MAC-based Switching
. . . . . . . . 89
Back Pressure Support
. . . . . . . . . . . . . . . 90
Auto-negotiation
. . . . . . . . . . . . . . . . . . 90
Storm Control
. . . . . . . . . . . . . . . . . . . . 90
Port Mirroring
. . . . . . . . . . . . . . . . . . . . 91
Static and Dynamic MAC Address Tables
. . . . . 91
Link Layer Discovery Protocol (LLDP)
. . . . . . . 91
Link Layer Discovery Protocol (LLDP) for Media
Endpoint Devices
. . . . . . . . . . . . . . . . . . 92
Connectivity Fault Management (IEEE 802.1ag)
. . 93