Description
The D-Link DMS-1250-28/E is a black L2 managed switch, with 24 basic RJ-45 Ethernet 2.5G (100/1000/2500) switching ports and 4 slots for SFP+ modules, designed to centralise the traffic of a demanding network. It incorporates web-based administration and CLI configuration, so you can adjust its parameters both from a graphical interface and via command line. It offers quality of service (QoS) with traffic classification, ARP inspection and VLAN support to segment the network and prioritise critical flows. In the connectivity section, it adds link aggregation, spanning tree protocol, storm transmission control, flow control support, activation link detection and rate limiting. Its electrical connector is AC-in power and its dimensions are 440 x 44 x 250 mm (width x height x depth), with a weight of 3.47 kg.
Specifications
Management features
- Switch type: Managed
- Switch layer: L2
- Quality of Service (QoS) support: Yes
- Web-based management: Yes
- Traffic classification: Yes
- ARP inspection: Yes
- Configuring Location Settings (CLI): Yes
Ports & interfaces
- Power connector: AC-in jack
- Basic switching RJ-45 Ethernet ports quantity: 24
- Basic switching RJ-45 Ethernet ports type: 2.5G Ethernet (100/1000/2500)
- SFP+ module slots quantity: 4
Network
- Networking standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ab, IEEE 802.3ae, IEEE 802.3an, IEEE 802.3az, IEEE 802.3bz, IEEE 802.3u, IEEE 802.3z
- Port mirroring: Yes
- Flow control support: Yes
- Link aggregation: Yes
- Broadcast storm control: Yes
- Rate limiting: Yes
- Auto MDI/MDI-X: Yes
- Spanning tree protocol: Yes
- Active link detection: Yes
- VLAN support: Yes
- Number of VLANs: 4096
Data transmission
- Switching capacity: 200 Gbit/s
- Forwarding rate: 148.81 Mpps
- MAC address table: 16000 entries
- Store-and-forward: Yes
- Jumbo frames support: Yes
- Jumbo frames: 12000
- Packet buffer memory: 16 MB
Security
- DHCP features: DHCP server, DHCP snooping
- Access Control List (ACL): Yes
- IGMP snooping: Yes
- MAC address filtering: Yes
- Loop protection: Yes
- Password protection: Yes
Multicast features
- Multicast support: Yes
Design
- Rack mounting: Yes
- Stackable: Yes
- Product colour: Black
- LED indicators: Yes
- Number of fans: 2 fan(s)
Performance
- Internal memory: 512 MB
- Flash memory: 32 MB
Power
- Power source: AC
- Power supply included: Yes
- AC input voltage: 100 - 240 V
- AC input frequency: 50/60 Hz
- Power consumption (max): 39.73 W
Power over Ethernet (PoE)
- Power over Ethernet (PoE): No
Operational conditions
- Operating temperature (T-T): -5 - 50 °C
- Storage temperature (T-T): -20 - 70 °C
- Operating relative humidity (H-H): 0 - 95%
- Storage relative humidity (H-H): 0 - 95%
Weight & dimensions
- Width: 440 mm
- Depth: 250 mm
- Height: 44 mm
- Weight: 3.47 kg
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