SGS-5220 Series User Manual

Table Of Contents
Users Manual of SGS-5220 Series
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 (SGS-5220-24P2X only)
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