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S3028 24-port Gigabit RJ45 + 4-port 1G SFP slot Layer 3 managed Ethernet switch

24-port managed Gigabit switch with 4 Gigabit SFP uplink ports

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● Supports IEEE802.3, IEEE 802.3u, IEEE802.3ab, IEEE802.3z

● Provides 24 10/100/1000 Base-TX ports and 4 1G SFP+ ports

● Built-in power supply

● Backplane bandwidth up to 56Gbps

● Supports MLD Snooping

● Supports standard IP/extended IP/MAC IP/ARP ACL

● Supports IGMP snooping for multimedia applications

● Supports port mirroring and bandwidth control

● Supports IEEE802.3x flow control

● Supports port-based VLAN and 802.1Q Tag VLAN

● Supports IEEE802.3ad port trunking via LACP

● Supports spanning tree protocol IEEE802.1d/802.1w/802.1s

● Supports IEEE 802.1p QoS

● Supports IEEE 802.1x user authentication

● Supports broadcast storm filtering

● Supports system event logging

● Supports command-line interface management

● Supports Web/SNMP/SSH/Telnet/Console management

Attributes
Port Configuration	24 Port 10/100/1000 Mbps RJ45 Ethernet Port 4 x 1Gbps SFP+ Port
Management Port	Configuration Port
Indicator	Power, Port Rate, Port Connection
Performance
Switching Capacity	56 Gbps
Packet Forwarding Rate	41.7 Mpps
Switching Mode	Store and Forward
Packet Buffer Storage	12 Mbit
Running Memory	1 G Mbit
Flash Memory	128 Mbit
MAC Address Table	16K
Maximum Jumbo Frame Size	16K
VLAN Quantity	4K
Access Control List	512
L3 Interface	32
Number of Port Priority Queues	8
Product Appearance Characteristics
Dimensions	440 x 200 x 44 mm
Weight	4.5KG
Operating Temperature	0 to 40 ℃
Storage Temperature	-10 to 70 ℃
Relative Humidity	5 to 95% Noncondensing
Power Input	100-240VAC, 50/60Hz
Power Consumption	20W
Electromagnetic Compatibility and Safety	FCC, CE, RoHS
Reliability
Port Configuration
Close and Open Ports		Supports close and open port control
Port Auto-Negotiation		Supports forced port and rate
Port Flow Control		Supported IEEE802.3x Full Duplex Flow Control Supports backpressure, half-duplex flow control
Broadcast Storm Control		Supports broadcast, multicast and DLF Packet Rate Limiting
Port Mirroring		Supports multi-to-one port mirroring
Port Rate Limiting		Supports input and output port rate limiting
Link Aggregation	Supports manual link aggregation Supports Link Aggregation Control Protocol Maximum Support 8 Group aggregated links, maximum number of aggregated ports per group 8 个
Aggregation Strategy	Source MAC Address / Destination MAC Address / Source Destination MAC Address Source IP Address / Destination IP Address / Source Destination IP Address
Protected Port	Each port can be configured as a mutually isolated protected port
MAC Address Configuration
Management MAC Address Table	Supported
Transmission Mode	Supported IVL Transmission Mode
Static MAC Address Table	Supported
MAC Address Binding	Supported
MAC Address Filtering	Supported
MAC Learning Control	Supports port control MAC Number of learned entries
VLAN Configuration
Based on 802.1 Q 的 VLAN	Supported
Based on MAC Address VLAN	Supported
Based on IP Address VLAN	Supported
Protocol-based VLAN	Supported
Guest VLAN	Supported
Private VLAN	Supported
Reliability Protocol
Spanning Tree Protocol	Supported STP/RSTP/MSTP
BPDU Protection	Supported
BPDU Filtering	Supported

Port Loop Detection	Supported
EAPS Protocol	Supported RFC3619
LLDP Protocol	Supported LLDP and LLDP-MED
UDLD Protocol	Fully Compatible CISCO 的 UDLD Protocol
Host Routing
Static ARP	Supported
Static Routing	Supported
Multicast
Static Multicast MAC Address	Supported
IGMP Snooping	Supported
MVR	Supported
GMRP	Supported
Access Control List
Based on IP Standard ACL	Supported
Based on IP Extended ACL	Supported
Based on MAC Address IP Standard ACL	Supported
Based on MAC Address ARP Protocol ACL	Supported
Time-based	Supported
Port-based Filtering	Supported
QoS
Scheduling Mode	Supported WRR , SP, WFQ
Port Ordering	Supported
Based on 802.1p Ordering	Supported
Based on DSCP Ordering	Supported
Security Performance
Administrative Security	Supports Start and End TELNET, WEB and SNMP Service Supported TELNET, WEB and SNMP Service Binding Standard IP ACL Supports Control TELNET Number of Users
CPU Protection	Switch Self-Protection , Prevent Flow Attacks
IP-MAC Address Binding	Supports Static Configuration IP, MAC and Port Binding
AAA	Supported 802.1x Protocol Supported RADIUS Protocol Supports Remote Authentication Dial-in User Service Protocol Supports Based on MAC Address 802.1X Authentication Supported 802.1x Guest VLAN

DHCP Snooping	Supports Dynamic Binding ARP Prevent ARP Spoofing Supports Dynamic IP ， MAC Port Binding Supports Fixed Port Connection DHCP Server, Prevent Private Connection DHCP Server
Prevent ARP Spoofing Attacks	Supports Manual Configuration Based on MAC ARP 的 ACL Rules, Prevent ARP Spoofing Supported DHCP Snooping Function, When DHCP Obtain IP Address, Dynamic Binding ARP and Port, to Prevent ARP Spoofing
Management Features
CLI Management	Supports Serial Port Management Supported TELNET Management Supported SSH Management
WEB Management	Supported
SNMP Management	Supported SNMP Protocol Supported SNMP TRAP Supports Standard and Private MIB
User Management	Supports Multi-user Management
Display CPU Utilization	Supported
Display RAM Utilization	Supported
Login Management	Supported
Upload and Download Configuration	Supported
Firmware Upgrade	Supported
Timer Management	Supports Local Timer Management Supported SNMP Protocol Acquisition Clock
Troubleshooting Tools
PING	Supported
Route Tracing	Supported
Remote Login Client	Supported
Packaging
Ethernet switch	1pcs
User Manual	1pcs
Power cord	1pcs
Serial cable	1pcs
Angle iron	2pcs
Foot pad	4pcs

Switch Model:
S 3028	24 Gigabit RJ45 ports + 4 pcs 1G SFP+ Managed Ethernet switch with fiber ports
S 3028 HV	24 Gigabit RJ45 ports + 4 pcs 1G SFP+ Managed Ethernet switch with fiber ports (6kV Surge Protection )
SFP module
GSFP-RJ45	1000M SFP module ', RJ45 port
GSFP-M-LC-R5	1000M SFP module , Multi-mode ', 500M, 850nm, LC
GSFP- S -LC-20	1000M module , Single-mode , 2 0km, 1310nm, LC
GSFP- S -LC-40	1000M SFP module , Single-mode ', 40km, 1310nm, LC
GSFP- S -LC-80	1000M SFP module , Single-mode ', 80km, 1550nm, LC
XGSFP-RJ45	10G SFP module ', RJ45 port
X GSFP-M-LC-01	10G SFP module , Multi-mode ', 500M, 850nm, LC
X GSFP- S -LC-20	10G SFP module , Single-mode , 2 0km, 1310nm, LC
X GSFP- S -LC-40	10G SFP module , Single-mode ', 40km, 1310nm, LC
X GSFP- S -LC-80	10G SFP module , Single-mode ', 80km, 1550nm, LC