Planet Networking & Communication SGS-5220 User Manual page 19

 Built-in Trivial File Transfer Protocol (TFTP) client
 BOOTP and DHCP for IP address assignment
 System Maintenance
- Firmware upload and download via HTTP or TFTP
- Reset button for system reboot or reset to factory default
- Dual Images
 DHCP Relay
 DHCP Option82
 User Privilege levels control
 NTP (Network Time Protocol)
 Link Layer Discovery Protocol (LLDP) and LLDP-MED
 Network Diagnostic
- ICMPv6 and ICMPv4 Remote Ping
- Cable Diagnostic technology provides the mechanism to detect and report potential cabling issues
 SMTP/Syslog remote alarm
 Four RMON groups (history, statistics, alarms and events)
 SNMP trap for interface Link Up and Link Down notification
 System Log
 PLANET Smart Discovery Utility for deployment management

Power over Ethernet
■ Complies with IEEE 802.3at High Power over Ethernet End-span PSE
■ Complies with IEEE 802.3af Power over Ethernet End-span PSE
■ Up to 24 ports of IEEE 802.3af / 802.3at devices powered
■ Supports PoE Power up to 30.8 watts for each PoE port
■ Auto detects powered device (PD)
■ Circuit protection prevents power interference between ports
■ Remote power feeding up to 100 meters
■ PoE Management
− Total PoE power budget control
− Per port PoE function enable/disable
− PoE Port Power feeding priority
− Per PoE port power limitation
− PD classification detection
− PD alive-check
− PoE schedule
− PD power recycling schedule

Redundant Power System(SGS-5220-24S2XR only)
 Redundant 100~240V AC and 36-60V DC dual power
 Active-active redundant power failure protection
 Backup of catastrophic power failure on one supply
 Fault tolerance and resilience
(SGS-5220-24P2X only)
User's Manual of SGS-5220 Series
19