Users Guide

Table Of Contents
Contents 5
Legacy (Reduced Capacitor) Detection . . . . . . 75
Classification
. . . . . . . . . . . . . . . . . . . . 76
Port Start Up
. . . . . . . . . . . . . . . . . . . . 76
Overload Detection and Port Shutdown
. . . . . . 76
Disconnect Detection
. . . . . . . . . . . . . . . 76
IC Thermal Monitoring
. . . . . . . . . . . . . . . 76
Over-Temperature Protection
. . . . . . . . . . . 77
4-Pair Ports
. . . . . . . . . . . . . . . . . . . . . 77
IEEE 802.3bt Capability
. . . . . . . . . . . . . . . 78
PoE Port Capabilities and Power Limits
. . . . . . 79
Key PoE Plus Features
. . . . . . . . . . . . . . . 81
Power Over Ethernet (PoE) Support
. . . . . . . . 82
PoE Plus Support
. . . . . . . . . . . . . . . . . . 82
PoE 60W Support
. . . . . . . . . . . . . . . . . . 82
Powered Device Detection
. . . . . . . . . . . . . 83
PoE Power Management Modes
. . . . . . . . . . 83
Power Management in Guard Band
. . . . . . . . 85
PoE Plus Default Settings
. . . . . . . . . . . . . . 87
Switching Features
. . . . . . . . . . . . . . . . . . . 88
Flow Control Support (IEEE 802.3x)
. . . . . . . . . 88
Head of Line Blocking Prevention
. . . . . . . . . 88
Jumbo Frames Support
. . . . . . . . . . . . . . . 88
Auto-MDI/MDIX Support
. . . . . . . . . . . . . . 88
VLAN-Aware MAC-based Switching
. . . . . . . . 88
Back Pressure Support
. . . . . . . . . . . . . . . 89
Auto-negotiation
. . . . . . . . . . . . . . . . . . 89
Storm Control
. . . . . . . . . . . . . . . . . . . . 89
Port Mirroring
. . . . . . . . . . . . . . . . . . . . 90
Static and Dynamic MAC Address Tables
. . . . . 90
Link Layer Discovery Protocol (LLDP)
. . . . . . . 90
Link Layer Discovery Protocol (LLDP) for Media
Endpoint Devices
. . . . . . . . . . . . . . . . . . 91
Connectivity Fault Management (IEEE 802.1ag)
. . 92