48xGiga (48x PoE+) + 4x100/1000 SFP 440W IEEE802.3at SNMP 19"

PLANET GS-4210-48P4S on 52-porttinen SNMP-hallittava
PoE+ kytkin, jossa on 48x 10/100/1000Base-T PoE+ porttia
440W virransyöttökapasiteetilla sekä lisäksi 4x
100/1000Base SFP-porttia valokuitu- ja runkoyhteyksille.

Tekniset tiedot:
• 48x 10/100/1000BASE-T Gigabit RJ45 copper ports with 48-
port IEEE 802.3at/af PoE injector
• 4x 100/1000BASE-X mini-GBIC/SFP slots
• Complies with IEEE 802.3at Power over Ethernet Plus, end-
span PSE
• Backward compatible with IEEE 802.3af Power over Ethernet
• Up to 48 ports of IEEE 802.3af/802.3at devices powered
• Supports PoE power up to 36 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
• Prevents packet loss with back pressure (half-duplex) and
• IEEE 802.3x pause frame flow control (full-duplex)
• High performance Store and Forward architecture, broadcast
storm control, runt/CRC filtering that eliminates erroneous
packets to optimize the network bandwidth
• Supports VLAN
- IEEE 802.1Q tagged VLAN
- Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad)
- Protocol VLAN
- Voice VLAN
- Private VLAN
- Management VLAN
- GVRP
• Supports Spanning Tree Protocol
- STP (Spanning Tree Protocol)
- RSTP (Rapid Spanning Tree Protocol)
- MSTP (Multiple Spanning Tree Protocol)
- STP BPDU Guard, BPDU filtering and BPDU forwarding
• Supports Link Aggregation
- IEEE 802.3ad Link Aggregation Control Protocol (LACP)
- Cisco ether-channel (static trunk)
• Provides port mirror (many-to-1)
• Loop protection to avoid broadcast loops
• Ingress and egress rate limit per port bandwidth control
• Storm control support
- Broadcast/Unknown unicast/Unknown multicast
• Traffic classification
- IEEE 802.1p CoS
- TOS/DSCP/IP precedence of IPv4/IPv6 packets
• Strict priority and Weighted Round Robin (WRR) CoS
policies
• Supports IPv4 IGMP snooping v2, v3
• Supports IPv6 MLD snooping v1, v2
• IGMP querier mode support
• IGMP snooping port filtering
• MLD snooping port filtering
• Authentication
- IEEE 802.1X port-based network access authentication
- Built-in RADIUS client to co-operate with the RADIUS
servers
- RADIUS/TACACS+ login user access authentication
• Access control list
- IPv4/IPv6 IP-based ACL
- MAC-based ACL
• MAC security
- Static MAC
- MAC filtering
• Port security for source MAC address entries filtering
• DHCP snooping to filter untrusted DHCP messages
• Dynamic ARP Inspection discards ARP packets with invalid
MAC address to IP address binding
• IP source guard prevents IP spoofing attacks
• DoS attack prevention
• SSH/SSL
• IPv4 and IPv6 dual stack management
• Switch management interface
- Web switch management
- Telnet command line interface
- SNMP v1, v2c and v3
- SSH and SSL secure access
• User privilege levels control
• Built-in Trivial File Transfer Protocol (TFTP) client
• BOOTP and DHCP for IP address assignment
• System maintenance
- Firmware upload/download via HTTP/TFTP
- Configuration upload/download through web interface
- Dual images
- Hardware reset button for system reboot or reset to
factory default
• SNTP Network Time Protocol
• Cable diagnostics
• Link Layer Discovery Protocol (LLDP) and LLDP-MED
• SNMP trap for interface link up and link down notification
• Event message logging to remote Syslog server
• Four RMON groups (history, statistics, alarms and events)
• PLANET smart discovery utility
• Smart fan with speed control