Switch DGS-1250-52X 48GE 4SFP+

Switch DGS-1250-52X 48GE 4SFP+

Switch class: SMART Application: Medium and large companies Switch layer: L2 Network architecture: GigabitEthernet Number of 10/100 Mbps ports: None Number of 10/100/1000 Mbps ports: 48 10/100/1000/2500 Mbps ports: None Number of 10Gb ports: 4 Number of PoE ports (PoE & PoE+): None Number of PoE+ ports: None Number of COMBO ports: None Number of SFP ports: None Number of SFP+ ports: 4 Number of QSFP+ ports: None Console port: Yes Forwarding mode: Store-and-forward Throughput: 176 Forwarding rate: 130.95 Memory buffer: 16 MAC address table size: 32000 Support for Jumbo frames: Yes Jumbo frame size: 12 Stackability: No Number of VLAN groups: 4094 VLAN: ul li 802.1Q /li li VLAN Group /li li Max. 4094 static VLAN groups /li li Configurable VID from 1 - 4094 /li li Asymmetric VLAN /li li Auto Voice VLAN /li li Max. 10 user-defined OUI /li li Max. 8 default OUI /li li Auto Surveillance VLAN /li /ul Supported protocols and standards: ul li IEEE 802.3 10BASE-T Ethernet (twisted-pair copper) /li li IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper) /li li IEEE 802.3u 100BASE-FX 100 Mbps over fiber optic /li li IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted-pair copper) /li l QoS: ul li 802.1p Quality of Service /li li 8 queues per port /li li Queue Handling /li li Strict /li li Weighted Round Robin (WRR) /li li Bandwidth Control /li li Port-based (ingress/egress, min granularity 10/100/1000 is 16 /li li Kbps) /li /ul p QoS based Security: ul li Broadcast/Multicast/Unicast Storm Control /li li D-Link Safeguard Engine /li li Traffic segmentation /li li SSH v2 /li li TLS v.1.2 /li li DoS attack prevention /li li 802.1X Port-based Access Control /li li Port Security /li li Supports up to 64 M Management, monitoring, configuration: ul li Web-based GUI /li li D-Link Network Assistant /li li Compact CLI /li li Full CLI /li li Telnet Server /li li TFTP Client /li li Configurable MDI/MDIX /li li SNMP /li li Supports v1/v2c/v3 /li li SNMP Trap /li li Backup/upgrade firmware /li li Smart L2 features: ul li MAC Address Table /li li 16K entries /li li 32K entries /li li IGMP Snooping /li li IGMP v1/v2/v3 Snooping /li li Supports 256 IGMP groups /li li Supports at least 64 static multicast addresses /li li IGMP per VLAN /li li Supports IGMP Snooping Que L3 features: ul li IP interface /li li Supports 4 interfaces /li li IPv6 Neighbor Discovery (ND) /li li Static routing /li li 124 IPv4 static route entries /li li 50 IPv6 static route entries /li /ul Chassis type: Rack Fan: No Power supply: Internal Power consumption: 51.2 Mean time between failures (MTBF): 589984 Dimensions: p 440 x 210 x 44 mm /p Weight: 3.01 Environment requirements: ul li Operating temperature: -5 to 50 C (23 to 122 F) /li li Storage temperature: -20 to 70 C (-4 to 158 F) /li li Operation humidity: 0% to 95% relative humidity /li li Storage humidity: 0% to 95% relative humidity /li /ul Certificates: ul li Safety: CB, UL, BSMI, CCC /li li EMI: CE Class A, VCCI Class A, FCC Class A, IC, BSMI /li /ul