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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
Svoris 5,01 kg
Gamintojas