48 Port 10/100/1000BASE-T + 4 Port 100/1000BASE-X SFP Managed Gigabit Switch PLANET GS-4210-48T4S
-       48 cổng RJ45 10/100/1000BASE-T + 4 slot 100/1000BASE-X mini-GBIC/SFP.
-       Tiêu chuẩn IEEE 802.3, IEEE 802.3u, IEEE 802.3ab...
-       Các tính chất Store-and-Forward mode với các tốc độ dây và forwarding.
-       Hỗ trợ 16K cho các địa chỉ MAC.
-       Hỗ trợ 10K cho gói Jumbo.
-       Hỗ trợ chức năng Auto-MDI/MDI-X.
-       Hỗ trợ giao thức CSMA/CD.
-       Thiết kế theo chuẩn A: FCC, CE.
Physical Port
-       48-port 10/100/1000BASE-T Gigabit RJ45 copper
-       4 100/1000BASE-X mini-GBIC/SFP slots
-       Reset button for system factory default
Layer 2 Features
-       Prevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)
-       High performance Store and Forward architecture, runt/CRC filtering eliminates erroneous packets to optimize the network bandwidth
-       Supports VLAN
-       IEEE 802.1Q tagged VLAN
-       Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad)
-       Protocol VLAN
-       Voice VLAN
-       Private VLAN (Protected port)
-       Management VLAN
-       GVRP
-       Supports Spanning Tree Protocol
-       STP (Spanning Tree Protocol)
-       RSTP (Rapid Spanning Tree Protocol)
-       MSTP (Multiple Spanning Tree Protocol)
-       STP BPDU Guard, BPDU Filtering and BPDU Forwarding
-       Supports Link Aggregation
-       IEEE 802.3ad Link Aggregation Control Protocol (LACP)
-       Cisco ether-channel (static trunk)
-       Maximum 8 trunk groups, up to 8 ports per trunk group
-       Provides port mirror (many-to-1)
-       Loop protection to avoid broadcast loops
Quality of Service
-       Ingress and egress rate limit per port bandwidth control
-       Storm control support
-       Broadcast / Unknown unicast / Unknown multicast
-       Traffic classification
-       IEEE 802.1p CoS
-       TOS / DSCP / IP precedence of IPv4/IPv6 packets
-       Strict priority and Weighted Round Robin (WRR) CoS policies
Multicast
-       Supports IPv4 IGMP snooping v2 and v3
-       Supports IPv6 MLD snooping v1, v2
-       IGMP querier mode support
-       IGMP snooping port filtering
-       MLD snooping port filtering
Security
-       Authentication
-       IEEE 802.1X port-based network access authentication
-       Built-in RADIUS client to co-operate with the RADIUS servers
-       DHCP Option 82
-       RADIUS / TACACS+ authentication
-       Access Control List
-       IPv4 / IPv6 IP-based ACL
-       IPv4 / IPv6 IP-based ACE
-       MAC-based ACL
-       MAC-based ACE
-       MAC Security
-       Static MAC
-       MAC Filtering
-       Port security for source MAC address entries filtering
-       DHCP snooping to filter distrusted DHCP messages
-       Dynamic ARP inspection discards ARP packets with invalid MAC address to IP address binding
-       IP source guard prevents IP spoofing attacks
-       DoS attack prevention
-       SSH/SSL
Management
-       IPv4 and IPv6 dual stack management
-       Switch Management Interface
-       IPv4 / IPv6 Web switch management
-       Telnet Command Line Interface
-       SNMP v1, v2c and v3
-       HTTPs secure access
-       Built-in Trivial File Transfer Protocol (TFTP) client
-       User privilege levels control
-       Static and DHCP for IP address assignment
-       System Maintenance
-       Firmware upload / download via HTTP / TFTP
-       Configuration upload / download through HTTP / TFTP
-       Dual images.
-       Hardware reset button for system reset to factory default
-       SNTP Network Time Protocol
-       Cable diagnostics
-       Link Layer Discovery Protocol (LLDP) and LLDP-MED
-       SNMP trap for interface Link Up and Link Down notification
-       Event message logging to remote Syslog server
-       Four RMON groups (history, statistics, alarms and events)
-       PLANET Smart Discovery Utility
Đặc tính kỹ thuật
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 Hardware Specifications 
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 Copper Ports 
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 48 x 10/100/1000BASE-T RJ45 auto-MDI/MDI-X ports 
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 SFP/mini-GBIC Slots 
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 4 100/1000BASE-X SFP interfaces, 
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 Supports 100/1000Mbps dual mode and DDM 
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 Switch Architecture 
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 Store-and-Forward 
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 Switch Fabric 
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 104Gbps / non-blocking 
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 Switch Throughput @ 64bytes 
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 77.38Mpps @ 64bytes 
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 Address Table 
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 16K entries 
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 Shared Data Buffer 
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 12Mbit SRAM packet buffer 
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 Flow Control 
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 IEEE 802.3x pause frame for full-duplex 
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 Back pressure for half-duplex 
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 Jumbo Frame 
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 10K bytes 
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 Reset Button 
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 < 5 sec: System reboot 
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 > 5 sec: Factory default 
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 LED 
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 System: 
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 PWR(Power) (Green) 
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 SYS(System) (Green) 
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 10/100/1000T RJ45 Interfaces (Port 1 to Port 48): 
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 1000Mbps (Orange), LNK/ACT (Green) 
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 10/100Mbps (None), LNK/ACT (Green) 
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 100/1000Mbps SFP Interfaces (Port 49 to Port 52): 
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 1000Mbps, LNK/ACT (Green) 
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 100Mbps, LNK/ACT (Orange) 
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 Thermal Fan 
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 Fanless design 
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 Layer 2 Functions 
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 Port Mirroring 
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 TX / RX / Both 
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 Many-to-1 monitor 
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 VLAN 
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 802.1Q tagged-based VLAN  
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 Up to 256 VLAN groups, out of 4094 VLAN IDs 
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 802.1ad Q-in-Q tunneling (VLAN stacking) 
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 Voice VLAN 
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 Protocol VLAN 
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 Private VLAN (Protected port) 
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 GVRP 
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 Management VLAN 
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 Link Aggregation 
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 IEEE 802.3ad LACP and static trunk 
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 Supports 8 trunk groups with each having 8 ports 
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 Spanning Tree Protocol 
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 STP, IEEE 802.1D Spanning Tree Protocol 
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 RSTP, IEEE 802.1w Rapid Spanning Tree Protocol 
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 MSTP, IEEE 802.1s Multiple Spanning Tree Protocol 
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 STP BPDU Guard, BPDU Filtering and BPDU Forwarding 
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 IGMP Snooping 
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 IGMP (v2/v3) snooping 
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 IGMP querier 
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 Up to 256 multicast groups 
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 MLD Snooping 
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 IPv6 MLD (v1 / v2) snooping, up to 256 multicast groups 
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 Access Control List 
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 IPv4/IPv6 IP-based ACL / MAC-based ACL 
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 IPv4/IPv6 IP-based ACE / MAC-based ACE 
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 Secure Management Interfaces 
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 SSH, SSL, SNMPv3 
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