D-Link 28 Port Smart Managed Gigabit (DGS-1250-28X)

Model

D-Link DGS-1250-28X

Ports

24 Gigabit Ethernet Ports + 4 Gigabit SFP (Small Form-Factor Pluggable) Ports

Switching Capacity

56 Gbps (Full Duplex)

Forwarding Rate

41.67 Million Packets per Second (Mpps)

Managed Type

Smart Managed (Web-based Management)

Layer

Layer 2 (Switching)

PoE Support

802.3af/at PoE (Power over Ethernet) on the first 24 ports (up to 370W total)

Power Budget (PoE)

Maximum Power Budget: 370W

QoS (Quality of Service)

Advanced QoS features including 802.1p, DiffServ, and traffic prioritization

VLAN Support

Supports up to 256 VLANs with IEEE 802.1Q VLAN tagging

Link Aggregation

Supports Link Aggregation (LACP - IEEE 802.3ad) for improved network performance and redundancy

IGMP Snooping

Supports IGMP snooping for efficient multicast traffic forwarding

Security Features

- MAC Address Filtering - Access Control Lists (ACL) - 802.1X Port Security - Storm Control (Broadcast/Multicast/Unicast)

Redundancy

- Spanning Tree Protocol (STP) - Rapid Spanning Tree Protocol (RSTP) - Multiple active VLANs for redundancy

SFP Ports

4 Gigabit SFP Ports for fiber uplinks

Management Interface

Web-based management interface (GUI), Command Line Interface (CLI), SNMP, Telnet, and RMON

Firmware

Upgradeable firmware via TFTP or web interface

Energy Efficiency

- IEEE 802.3az Energy Efficient Ethernet - Supports D-Link Green technology to optimize energy consumption and reduce heat production

Dimensions (H x W x D)

44 mm x 442 mm x 250 mm

Weight

2.76 kg (6.08 lbs)

Power Supply

Internal Power Supply, AC input: 100-240V, 50/60Hz

Cooling

Fanless design for quiet operation

Operating Temperature

0°C to 50°C (32°F to 122°F)

Warranty

5-Year Limited Warranty

Additional Features

- SNMP v1/v2/v3 support - Diagnostic LEDs for status monitoring - Enhanced security with DHCP Snooping, Dynamic ARP Inspection (DAI)