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D-Link DGS-1248T Web Smart 48-Port Green Ethernet Gigabit Switch (Buy 5 Get 1 Free)


Images for illustration purposes only. Actual product may differ from image shown. Monitors not included with PC's unless stated

£2,104.03
Debit Card Discounted Price: £2,093.51



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    Quick Find Code: K72341
    Manufacturers SKU: DGS-1248T?B5G1F


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    More Switches   More from D-Link
    The D-Link Web Smart DGS-1248T blends plug-&-play simplicity with exceptional performance and reliability to create a cost-effective solution for bandwidth-starved workgroups and departments. This 48 Port Gigabit Web Smart switch provides a solution for any size business with any size need. The DGS-1248T switch supports 4 Combo fiber SFP uplinks for uplinking to servers, storage, or other switching devices providing superior performance with exceptional value. The DGS-1248T delivers a high performance features set sufficient to monitor and secure an SMB network efficiently. The Web Smart DGS-1248T supports SNMP v1. SNMP is a useful tool in managing and controlling SNMP supported network devices. SNMP enables the Web Smart DGS-1248T to be polled to provide valuable information about the status of the unit and send traps on abnormal events. This sharing of vital management information saves time and money. Like 802.1Q VLAN tagging, 802.1p places a tag in a frame to indicate the priority of the frame. This differs from port based QoS in that in Port Based QoS all traffic entering a specific port is prioritized the same way with the same value. In 802.1p a port can receive frames with varying priority tags and classify them based on these tags. For example a VoIP phone that supports 802.1p can assign a priority to its VoIP traffic. When it enters the switch, the switch can then prioritize it so that voice traffic is always clear and jitter free.

    The DGS-1248T provides a robust set of security features normally found only in fully managed switching solutions. The DGS-1248T is equipped with the D-Link Safeguard Engine to protect the CPU from malicious attack. When frames enter the switch, the D-Link Safeguard Engine detects and blocks broadcast/multicast/and unicast flooding which can overload a CPU and bring network traffic to a halt. In addition, The DGS-1248T also provides support for secure encrypted 802.1x port based user authentication, broadcast storm control, and up to 256 static MAC address entries. A VLAN or (Virtual LAN) is a collection of computers that are grouped together. VLANs allow the network to be segmented into groups (Departmental Groups/Hierarchical groups/Security Groups). 802.1Q is a standard that places a “tag” in a frame identifying which VLAN it belongs to. The advantage of this is that all 802.1Q compliant devices can work seamlessly together to manage VLAN traffic. The DGS-1248T supports static link aggregation. Link aggregation provides a means of “trunking” multiple ports together to function as a single large bandwidth channel. When a high bandwidth channel is needed to uplink to another switch, link aggregation makes this process simple and hassle-free. Jumbo Frame support is designed to improve network throughput and significantly reduce the CPU utilization of large file transfers (such as multimedia files or large data files) by enabling more efficient larger payloads per packet. The DGS-1248T supports Jumbo Frames up to (9KB) in size.

    Main Features:
    • Power-saving feature, for up to 21% less power consumption
    • 48 Gigabit Ethernet ports and four free SFP slots
    • Cable Diagnostic Function
    • Advanced QoS and security features
    Manufactuer's Warranty: Limited Lifetime Warranty
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    Specifications
    PERFORMANCE MAC Addresses 8000
    INTERFACES/PORTS Fixed Ports 48 port(s) x 10/100/1000
    GBIC Slots SFP
    Network Slots 4 slot(s) x SFP , ( )
    COMPLIANCE Emissions CE Mark A • FCC Class A
    Safety CUL • RoHS compliant • VCCI
    ELECTRICAL Voltage/Power/Frequency 100 to 240 VAC / 99.7 W / 50 to 60 Hz
    Power Adaptor Type Internal
    ENVIRONMENTAL Heat Dissipation 339.98 BTUs per Hour
    Environmental Operating Temperature 0 to 40 °C - Humidity 10 to 90 %
    PHYSICAL Form Factor Network Switch
    LED Status Indicators Power • Link/Activity • Speed
    Dimensions 44.0 cm (W) x 31.0 cm (D) x 4.4 cm (H) - Weight 4.6 kg
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