Industrial Gigabit Managed Switch with SFP slots


  • Product Status (EU_RevA): Live
  • 8 x 100/1000BaseT ports, 4 x 100/1000BaseSFP slots
  • High availability
  • Easy-to-control management interfaces and security
  • Withstands extreme temperatures
  • Certified for vibration, shock, free-fall, NEMA‑TS2 Section 2, EMC

Download the datasheet.

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Managed Customization

Features user management interfaces, including an industrial-like CLI, and WEB-based management, the DIS-300G-12SW is easy to manage and provides the security and controls to guard and shape your network needs.

Gigabit Connectivity
Gigabit Connectivity with SFP slots

Designed with 8 x 100/1000BaseT ports and 4 x 100/1000Base SFP to suit a range of devices and network layouts.

Officially Certified
Officially Certified

Certifications for vibration, shock, free-fall, NEMA‑TS2 Section 2, and electromagnetic compatibility to maximise network uptime in a variety of deployment environments, including smart city surveillance, factory automation, and outdoor wireless networks.

Extreme Temperatures
Withstands Extreme Temperatures

Operates effortlessly in a range of industrial and harsh environments in temperatures from -40°C to +75°C, and can cold start from -40°C.

Strong Build
Strong Build

The tough housing has been created to keep your network protected and reliably rugged. That’s why every DIS-switch comes with a 5-year D-Link warranty.

High Availability
High Availability

Rapid ring failover recovery time of < 20ms, with even faster PROFINET speeds available at project request.

Fast Deployment
Fast Deployment

For instant installation it features a snap-to-DIN-rail clip, and also supports wall mounting.

Fanless Design
Fanless Design

With no moving parts inside to reduce downtime and maintenance call outs, the rugged housing has been optimised for the transfer of heat.

Discreet Size
Discrete Size

Small but mighty. To make the most of cabinet space, it measures: 61 x 154 x 109 mm.

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Type Smart managed
Number of ports 5 to 14 ports
Layer Layer 2
Main type of ports 1000BASE-T Gigabit Ethernet
Type of uplink ports SFP
Number of PoE ports 8
Form Factor DIN rail
Housing Metal
Jumbo frame
Environmental Free Fall: IEC60068-2-32

Shock: IEC60068-2-27

Vibration: IEC60068-2-6
<20ms link loss recovery
MAC address 8K
Spanning Tree Protocol 802.1D STP

802.1s MSTP

802.1w RSTP
Link aggregation 802.3ad
VLAN group (max static) 1024

VLAN type MAC-based


Advanced VLAN Double VLAN (Q-in-Q)
Number of QoS queues per port 8
Encryption protocol supported SSH
802.1X access control
RADIUS/TACACS+ authentication
SNMP (v1/v2c/v3)
Version Date Type File Size
Datasheet EN - PDF 0.56mb Download
Version Description Date Type File Size
Manual DIS-300G series Product Manual 2018-03-20 - - Download
CLI Manual DIS-300G series CLI Manual 2018-03-20 - - Download
Version Description Date Type File Size
Revision A Quick Installation Guide 2017-12-12 - - Download
Version Description Date
CE doc 2.00 Revision A1 CE Document 2018-09-19 Download
1.00 Revision A CE document 2017-12-07 Download