
D-Link DGS-1248T Web Smart 48-port 10/100/1000 switch with 4 combo SFP uplink ports.
The D-Link DGS-1248T is a Web Smart 48-port 10/100/1000 Gigabit switch with 4 additional combo SFP ports for fibre uplinks, giving 52 usable ports in total (using an SFP disables its paired copper port). All 48 copper ports auto-sense speed and duplex and support auto MDI/MDIX for straight cable runs without crossover cables.
Management features include 802.1p QoS, 802.3ad link aggregation, 802.1d Spanning Tree, port mirroring, jumbo frame support and SNMP v1. D-Link’s Safeguard Engine detects and blocks broadcast, multicast and unicast flooding, and the switch supports 802.1X port-based authentication, broadcast storm control and up to 256 static MAC address entries for access control.
It’s a good match for organisations maintaining an existing D-Link DGS-1200/1248 Web Smart switch estate who need matching hardware for expansion, redundancy or like-for-like replacement. Tech-Star (UK-based, shipped worldwide) checks every switch before it ships. Get in touch to confirm compatibility with your gigabit network.

| Platform | D-Link DSL series ADSL routers |
|---|---|
| Manufacturer | D-Link |
| Key Features | 48 x 10/100/1000 ports; 4 combo SFP uplinks; Web Smart management; link aggregation and VLAN support |
|---|---|
| Applications | SMB network core or aggregation switch; server room gigabit connectivity; fibre uplink to core switch via SFP |
| Compatibility | 1000BASE-T copper ports; SFP transceivers on combo ports 45-48 |
| Specifications | 48 x 10/100/1000BASE-T ports; 4 x combo SFP; 802.1p QoS; 802.3ad LACP; SNMP v1 |
| Platform | D-Link DGS-1200/1248 Web Smart switch series |
| Manufacturer | D-Link |
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