Przełącznik GS2028PS4-300W 24GE PoE+ 300W 4SFP

• Access
• Trunk
• Hybrid
• Support port, protocol, MAC-based VLAN partitioning
• Support GVRP dynamic VLAN registration
• Voice VLAN

• IEEE 802.3
• IEEE 802.3u
• IEEE 802.3ab/ad/az/af/at
• IEEE 802.3x
• IEEE 802.1q
• IEEE 802.1p

• Based on 802.1p (COS) classification
• Based on the DSCP classification
• Classification based on source IP, destination IP and port number
• Support SP, WRR scheduling strategy
• Support flow rate limit CAR

• DOS defense
• Support CPU protection and limits the rate of sending CPU packets
• ARP binding (IP, MAC, PORT binding)

• CLI: Support serial port command line management
• SSH: Support SSHv1/2 remote management
• TELNET: Support telnet remote management
• WEB: Support Layer 2 settings, Layer 2 and Layer 3 monitor
• SNMP: SNMP V1/V2/V3; Support trap: ColdStart, WarmStart, LinkDown, LinkUp
• RMON: Support RMON v1
• POE: Support PoE power supply
• Support DHCP Snooping, Option82
• Support dynamic ARP detection
• Support TACACS+ certification
• Support DNS certification
• Support port security settings
• Support MVR protocol
• Support cable detection VCT function
• Support UDLD protocol 

• Port Management: Enable/Disable Port; Speed, Duplex, MTU Setting; Flow-control; Port Information Check
• Port Mirroring: Supports both side-way ports mirroring
• Port Speed Limit: Supports port-based input/output bandwidth management
• Port Isolation: Support the downlink port isolation and can communicate with the uplink port
• Storm Suppression: Supports unknown unicast, multicast, unknown multicast broadcast type storm suppression; Storm suppression based on bandwidth regulation and storm filtering
• Link Aggregation: Support static manual aggregation; Support LACP dynamic aggregation
• MAC: Support static addition, deletion; MAC addresses learning limit; Support dynamic aging time setting
• Spanning tree: Support STP spanning tree protocol, Supports RSTP Rapid Spanning Tree Protocol, Supports MSTP Rapid Spanning Tree Protocol
• Multicast: Support static addition, deletion, IGMP-snooping; Support MLD-Snooping; Support v1/2/3 dynamic multicast monitor
• DDM: Support SFP/SFP+DDM

• ACL: Based on source MAC, destination MAC, protocol type, source IP, destination IP, L4 port
• LLDP: Support LLDP link discovery protocol
• User settings: Add/delete users
• Log: User login, operation, status, events
• Certification: Support 802.1x port authentication; Support AAA certification
• Network diagnosis: Support ping, telnet, trace
• System Management: Device reset, configuration save/restore, upgrade management, time setting, etc.

• Napięcie wejściowe urządzenia: AC110-240V;
• Wyjście: DC 52V 5.76A
• Całkowita moc: 300W

PoE:

• Standard PoE: IEEE802.3at (30 W) i IEEE802.3af (15,4 W)
• Zgodność z PoE: IEEE 802.3af/at adaptacyjna
• Wyjście portu POE: DC48-55V
• Przypisanie pinów zasilania: Zasilanie przez zapasowe pary 1/2(+) i 3/6 (-)

445 x 285 x 45 mm

• Temperatura pracy:-20° ~ 55°C;
• Temperatura przechowywania: -40 ° ~ 85 ° C;
• Wilgotność robocza: 10% ~ 95%, bez kondensacji
• Wysokość robocza: do 10 000 stóp (3000 metrów)
• Wysokość przechowywania: do 10 000 stóp (3000 metrów)