Aprašymas

• Bendrieji duomenys
• ModelisGS2048PS4-720W
• Ethernet prievadai48× 10/100/1000Base-T PoE++ ports, 4× 10Gigabit SFP+ ports, 1× Console port, 1× USB port, 1× Reset port
• PoE standartaiIEEE802.3af (15.4W), IEEE802.3at (30W), IEEE802.3bt (60–90W)
• PoE Port AllocationPorts 1–4 support af/at/bt, Ports 5–48 support af/at
• PoE išėjimo įtampaDC 48–55V
• PoE galios biudžetas720W (Total), 750W Max Power Supply
• Power Pin Assignmentaf/at: Pins 1/2 (+), 3/6 (–); bt: adds Pins 4/5 (+), 7/8 (–)
• Komutacijos talpa176 Gbps
• Perdavimo dažnis130.944 Mpps
• MAC adresų lentelė32K
• Dideli kadraiUp to 12 KB
• Paketų buferis16 Mbit
• Atmintis2 GB DDR3 (800 MHz)
• Flash atmintis64 Mbit
• VLAN palaikymas4096 VLANs, including port-based, MAC-based, IP-based, protocol-based, Voice VLAN, QinQ, VLAN mapping
• Layer 2 FunkcijosPort isolation, mirroring, storm suppression, LACP (128 groups, 8 ports each), flow control, MAC filtering, learning limits
• Layer 3 FeaturesStatic routing, RIP v1/v2, OSPF v2, ARP, VRRP, VLAN interfaces (up to 32)
• Multicast SupportIGMP Snooping v1/v2/v3, MVR, GMRP, static multicast MAC
• Paslaugų kokybė (QoS)802.1p, DSCP, ACL-based classification, 8 queues, WRR, RR, SP, WDRR scheduling, traffic shaping, mirroring, statistics
• Saugumo ypatybės802.1X, AAA, RADIUS, MAC filtering, ARP binding, port security, DoS protection, CPU protection
• Management InterfacesCLI, Console, Telnet, Web UI, SNMP v1/v2c, RMON, USB config, TFTP, debug, ping, traceroute
• DHCP FeaturesClient, Snooping, Relay, Server, Option 82
• Protocols SupportedIEEE 802.3/3u/3ab/3x/3z/3af/3at/3bt/3ad/az, 802.1Q/p/X, LLDP, UDLD, STP/RSTP/MSTP, EAPS, ERPS
• Darbinė temperatūra0°C ~ 40°C
• Laikymo temperatūra-40°C ~ 70°C
• Darbinė drėgmė5% ~ 95%, non-condensing
• AušinimasBuilt-in fan
• Įėjimo įtampa100–240V AC, 50/60 Hz
• Matmenys445×285×45 mm
• MTBF100,000 hours