D-Link DGS-1210-28: 28-Port Non-PoE Gigabit Smart Switch

Based on the DGS-1210 Series datasheet provided, here’s a comprehensive overview of this model:

Port Configuration

• 24 x 10/100/1000BASE-T Gigabit ports (RJ45)
• 4 x 100/1000 Mbps GbE/SFP combo ports (for flexible uplink options)
• All ports support auto MDI/MDIX adjustment
• Total: 28 ports (24 standard + 4 combo)

Performance Specifications

• Switching capacity: 56 Gbps
• Packet forwarding rate: 41.7 Mpps (Million Packets Per Second)
• MAC address table: 16K entries
• Static MAC addresses: 256 entries
• Packet buffer memory: 4.1 Mbits
• Transmission method: Store-and-forward
• CPU memory: DDR3 128 MB
• Flash memory: 32 MB

Network Standards & Protocols

• IEEE 802.3 10BASE-T Ethernet (twisted-pair copper)
• IEEE 802.3u 100BASE-TX Fast Ethernet
• IEEE 802.3ab 1000BASE-T Gigabit Ethernet
• IEEE 802.3z 1000BASE-X (fiber-optic via SFP)
• IEEE 802.3az Energy Efficient Ethernet (EEE)
• IEEE 802.3x Flow Control

Advanced Layer 2 Features

• MAC Address management
• IGMP Snooping (v1/v2/v3 awareness, 256 groups, auto IGMP)
• Spanning Tree Protocol (802.1D STP, 802.1W RSTP, 802.1s MSTP)
• Link Aggregation Control Protocol (LACP) – Supports 8 groups with 8 ports per group
• Port Mirroring (one-to-one, many-to-one, Tx/Rx/Both)
• Loopback Detection – Auto-detects and shutdowns switching loops
• Cable Diagnostics – Determines cable quality and identifies errors
• LLDP and LLDP-MED support
• Jumbo Frame support (up to 10,000 bytes)
• HOL Blocking Prevention

VLAN & QoS Capabilities

• 802.1Q VLAN support with max 256 static VLAN groups
• Configurable VID from 1-4094
• Auto Voice VLAN with max 10 user-defined OUI
• Auto Surveillance VLAN – Detects compatible ONVIF cameras
• Quality of Service (QoS):
  • 802.1p priority queues (8 per port)
  • Queue handling (Strict, Weighted Round Robin)
  • Bandwidth control (port-based, DSCP, MAC address, EtherType, IP address, TCP/UDP port)

Security Features

• Access Control Lists (ACLs) – Max 50 lists, 768 rules
• D-Link Safeguard Engine – Protection against broadcast/multicast/unicast flooding
• Port Security – Up to 64 MAC addresses per port
• 802.1X Port-based Authentication with RADIUS server support
• ARP Spoofing Prevention – Max 127 entries
• DHCP Server Screening – Filters unauthorized DHCP replies
• IP-MAC-Port Binding (Smart Binding)
• ARP Inspection – Max 256 entries
• DoS attack prevention
• SSH v2 and TLS v1.3 encryption

L3 Features

• Static routing – 124 IPv4 + 50 IPv6 entries
• IPv6 Neighbor Discovery (ND)
• 4 IP interfaces

Management Features

• Web-based GUI (multilingual, intuitive interface)
• Compact CLI via Telnet
• SNMP (v1/v2c/v3) with trap support
• D-Link Network Controller (DNC) and D-Link Network Hub (DNH)
• D-View 8 – Central network management system
• TFTP Client for firmware updates
• Dual software images and dual configuration files
• Smart Wizard for easy setup
• System logging (max 500 entries)
• SNTP time synchronization

Automatic Configuration

• Auto Voice VLAN – Detects and segments VoIP traffic with QoS
• Surveillance Mode – Detects ONVIF cameras and places them in surveillance VLAN
• Surveillance Mode Web UI – Simplified surveillance network management

Power & Environmental

• Power input: 100-240V AC, 50/60Hz (internal universal power supply)
• Maximum power consumption:
  • 17.32 W @ 100V
  • 16.94 W @ 240V
• Standby power consumption:
  • 6.49 W @ 100V
  • 6.55 W @ 240V
• Heat dissipation:
  • 59.09 BTU/hr @ 100V
  • 57.79 BTU/hr @ 240V
• Acoustics: 0 dB(A) (fanless, silent operation)
• Operating temperature: -5 to 50°C
• Storage temperature: -20 to 70°C
• Operating humidity: 0-95% relative humidity

Physical Specifications

• Dimensions: 440 x 140 x 44 mm (17.32 x 5.51 x 1.73 inches)
• Weight: 2.15 kg (4.74 lbs)
• Mounting: Desktop or 19″ rack mount (brackets included)
• LEDs: Power indicator, Link/Active/Speed per port

Certifications & Reliability

• EMI: CE Class A, VCCI Class A, FCC Class A, BSMI, CQC
• Safety: CB, UL, BSMI, LVD, CQC
• MTBF: 992,594 hours

IPv6 Ready

• Full IPv6 compliance
• Compatible with both IPv4 and IPv6 networks
• Dual-stack support

Green Technology Features

• Link status detection – Reduces power consumption
• Port shut-off – Disable unused ports
• System hibernation – Power-saving mode
• Energy Efficient Ethernet (EEE) support