技術規格

FeaturesGS752TXS
• Network Protocol and Standards Compatibility– IEEE 802.3 10BASE-T
– IEEE 802.3u 100BASE-TX
– IEEE 802.3ab 1000BASE-T
– IEEE 802.3z 1000BASE-X
– IEEE 802.3x full-duplex flow control
– IEEE802.3aq (10GEBASE-LRM)
– IEEE802.3ae (10GEbase Ethernet)
– IEEE802.3az (EEE)
• Interfaces– 48 10/100/1000 Mbps switching ports
– 4-10GEbps SFP+ slots (port 49~52) to support 10GEbps optical module and 1G optical module
• Port 51 and port 52 can be used as the stacking ports or as uplink ports.
– Auto-sensing and auto-negotiating capabilities for all copper ports
– Auto Uplink™ on all ports to make the right connection
• Administrative Switch Management– IEEE 802.1Q VLAN (256 groups, Static)
– IEEE 802.1p Class of Service (CoS)
– 8 hardware queues
– Port-based QoS
– IEEE 802.3ad Static or Dynamic Link Aggregation (LACP)
– IEEE 802.1D Spanning Tree Protocol
– IEEE 802.1w Rapid Spanning Tree Protocol
– IEEE 802.1s Multiple Spanning Tree Protocol
– SNMP v1, v2c, v3
– RFC 1213 MIB II
– RFC 1643 Ethernet Interface MIB
– RFC 1493 Bridge MIB
– RFC 2131 DHCP client
– IEEE 802.1x (RADIUS)
– IEEE 802.1x Dynamic VLAN Assignment
– HTTPS/SSL: Secure HTTP GUI
– RADIUS accounting
– Layer 3 (DSCP) Quality of Service (QoS)
– TACACS+
– Port-based security by locked MAC addresses
– TCP/UDP-based priority mapping
– GMP snooping v1, v2, v3
– MLD Snooping
– ACLs (MAC, IPv4, IPv6 and TCP/UDP based)
– Storm control for broadcast, multicast and unknown unicast packets
– Port-based ingress/egress rate limiting
– SNTP
– DNS
– DoS and Auto DoS prevention
– IPv6 management, multicast and QoS
– Static Routing
– DHCP Snooping
– Green Features: Lower power consumption during link-down or idle mode or with shorter cable length.
– Protocol and MAC based VLAN
– RMON group 1, 2, 3, 9
– Private Enterprise MIB
– Port mirroring – many-to-one
– IEEE 802.3ab LLDP
– LLDP-MED
– Protected ports
– Cable test
– Smart Control Center discovery
– Web-based configuration
– Configuration backup/restore
– Password access control
– Firmware upgradeable
• Performance Specifications– Forwarding modes: Store-and-forward
– Bandwidth: 176 Gbps
– Stack up to 6 switches for 300 ports per stack
– Stacking bandwidth: 20 Gbps
– Network latency: Less than 20 microseconds for 64-byte frames in store-and-forward mode for 1000 Mbps to 1000 Mbps transmission
– Buffer memory: 2 MB
– 128Mbytes system DDR SDRAM (32Mbx16).
– 32Mbytes flash memory.
– Address database size: 16K media access control (MAC) addresses per system
– Addressing: 48-bit MAC address
– 256 VLANs; Maximum VLAN id is 4093
– 7 802.1p traffic classes
– 8 LAGs
– 32 static routes
– 15 routed VLANs
– 1024 ARP Cache entries
– 7 queues used for DiffServ
– 100 ACLs (IPv4/IPv6)
– 8K DHCP snooping binding
– 1024 DHCP static entries
– Mean time between failures (MTBF):
– 256,119 hours (~29.3 years) at 25 °C
– 90,993 hours (~10.3 years) at 55 °C
• LEDs– Unit: Power, master, stack ID, FAN
– Per port: Link, speed, activity
• Power Supply– Max Power consumption: 77W
– 100-240V AC/50-60 Hz universal input
• Physical Specifications– Dimensions: (h x w x d): 43 x 440 x 257 mm (1.69 x 17.32 x 10.13 in)
– Weight: 4.50 kg (9.92 lb)
• Environmental Specifications– Operating temperature: 32° to 104° F (0° to 50° C)
– Storage temperature: -4° to 158° F (-20° to 70° C)
– Operating humidity: 95% maximum relative humidity, non-condensing
– Storage humidity: 95% maximum relative humidity, non-condensing
– Operating altitude: 10,000 ft (3,000 m) maximum
– Storage altitude: 10,000 ft (3,000 m) maximum
• Electromagnetic Compliance– CE mark, commercial
– FCC Part 15 Class A
– VCCI Class A
– EN 55022 (CISPR 22)
– EN 55024 (CISPR 24)
– C-Tick
• Safety– CE mark, commercial
– CUL 60950 (Listed)/EN 60950 (Low Voltage Directive)
System Requirements– Category 5 UTP Network cables or better
– Network card for each PC
– Network software (e.g., Windows7)
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