Digisol 24 port Layer 2 Managed switch with 4 Gigabit Combo ports (RJ45/SFP)-DG-FS4528E

Technical Specifications

Physical Ports

• 10/100 Base-T Ports: 24

• Combo Ports (RJ45/SFP): 4

• 1000Base-FX: SFP Ports

• Console Port: RS-232

Performance

• Switching Capacity: 12.8 Gbps

• Forwarding Rate: 9.5 Mpps

• MAC Address Table: 16K

• Flash Memory: 32MB

• SDRAM for CPU: 64MB

• Packet Buffer: 8MB

• VLAN Support: 4K

• Priority Queues: 4 hardware queues per port

• Jumbo Frame Support: 10,240 bytes

• MSTP Instances: 4,096

Layer 2 (L2) Features

• Auto-Negotiation for port speed and duplex mode

• Spanning Tree Protocols:

  • IEEE 802.1D (STP)

  • IEEE 802.1w (RSTP)

  • IEEE 802.1s (MSTP)

  • Auto Edge/STP Fast Forwarding

  • Root Guard & BPDU Guard

• VLAN Features:

  • 802.1Q VLAN Tagging

  • IP Subnet VLAN

  • Port-Based VLAN

  • MAC-Based VLAN

  • Protocol-Based VLAN

  • GVRP, QinQ & VLAN Trunking

  • Traffic Segmentation

• Link Aggregation:

  • Static Trunk

  • IEEE 802.3ad LACP

  • Up to 16 Trunk Groups (2-8 Ports per Group)

  • Traffic Chart & Green Ethernet

• Multicast Support:

  • IGMP Snooping (v1/v2/v3)

  • IGMP Query, Throttling & Filtering

  • Immediate Leave Support

  • Multicast VLAN Registration (MVR)

• Mirroring & Network Protection:

  • Port, VLAN & MAC Mirroring

  • RSPAN (Remote Port Mirroring)

  • Ethernet Ring Protection Switching (ERPS)

  • Connectivity Fault Management (CFM)

  • Operation, Administration & Maintenance (OAM)

Quality of Service (QoS) Features

• Traffic Classification:

  • Default Port Priority

  • IEEE 802.1p CoS

  • IP Precedence & DSCP

• Enhanced QoS: Shaping/Marking

• Queue Mechanism: WRR, Strict Priority & Hybrid Modes

• Port-Based Rate Limiting (64 Kbps Granularity)

• Flow-Based Rate Limit

• Voice VLAN Support

Security Features

DoS Attack Protection Against:

• Echo/Chargen, Smurf, TCP Flooding, TCP Null Scan

• TCP SYN/FIN Scan, TCP Xmas Scan, UDP Flooding, WinNuke

Authentication & Access Control

• 802.1X Port Authentication:

  • Single/Multi-Host (up to 1,024 per port)

  • MAC-Based & VLAN Assignment

  • EAPOL Pass-Through

• MAC Authentication:

  • Supports up to 1,024 MACs

  • Dynamic VLAN & QoS Assignments

• Port Security:

  • Supports 1,024 MAC Addresses per Port

  • Automatic Port Shutdown on Violation

• Guest VLAN & Web Authentication

Access Control Lists (ACLs)

• Supports 300 ACL Rules

• IPv4 & IPv6 Standard & Extended ACLs

• ARP, MAC & Time-Based ACLs

AAA Security

• Radius & TACACS+ Authentication

• Local User Database

• Authentication Fallback if Primary Server is Unavailable

Traffic & Storm Control

• Unicast, Multicast & Broadcast Rate Limiting

• DHCP Snooping & Option 82 Support

• ARP Inspection & IP Source Guard

• SSH 1.5/2.0 Security

• Web, SNMP & Telnet IP Filtering

• Auto Traffic Control (ATC) for Broadcast & Multicast

IPv6 Features

• Dual IPv4/IPv6 Stack Support

• ICMPv6, Traceroute6

• IPv6 Neighbor Discovery

• DHCP Snooping & IP Source Guard

• MLD Snooping for IPv6 Multicast Control

• IPv6-Enabled Services (HTTP, Telnet, SSH, Syslog)

Management & Monitoring Features

• Command Line Interface (CLI) via Console, SSH & Telnet

• Web-Based Management & SNMP (v1, v2c, v3)

• Traps for Events: Link Up/Down, Authentication, CFM Cross-Check

• Firmware & Configuration Management:

  • Upgrade via TFTP/FTP/HTTP

  • Multiple Configuration Files Support

  • Automatic Opcode Upgrade

• Security & Logging

  • Login Banner & SSH v2/HTTPS/SSL

  • Remote Syslog with SMTP Notifications

  • CPU & Memory Monitoring with Threshold Alerts

• Network Utilities

  • LLDP (802.1ab), BOOTP/DHCP Client

  • SNTP & NTP Time Synchronization

  • Secondary IP Address Support

  • Cable Testing & Scheduled Reload

  • IP Clustering for up to 36 Switches

Mechanical & Environmental Specifications

• Dimensions (W × D × H): 44 × 17.1 × 4.3 cm

• Weight: 2 kg

• LED Indicators:

  • System: Power & Diagnostic (DIAG)

  • Ports: Link, Speed & Activity

• Power Input: 100-240V AC, 50-60 Hz, 1A

• Power Consumption: 20W Max

• Max Current: 1A @ 240V AC

Operating Conditions

• Temperature:

  • Operating: 0°C to 55°C

  • Storage: -20°C to 70°C

• Humidity: 5% to 95% (Non-Condensing)

Warranty

• DIGICARE Lifetime Warranty