Crestron DIN-KXI – KNX Secure IP Gateway, DIN Rail Mount

Product Overview

The Crestron DIN-KXI is a KNXnet/IP gateway that bridges a Crestron 4-Series control system to a KNX TP (Twisted Pair) bus installation. It mounts on a standard 35 mm DIN rail in a 1M (18 mm) wide form factor, occupying a single module slot in a DIN enclosure. The DIN-KXI supports KNXnet/IP Security (AES-128) and is capable of addressing up to 1,000 KNX datapoints through up to 8 simultaneous tunneling connections.

Product Description

The DIN-KXI provides Ethernet-based access to the KNX bus, allowing a Crestron control system — or a KNX programming workstation running ETS5 or ETS6 — to communicate with any KNX-compliant device on the TP bus without requiring physical proximity to the DIN rail enclosure. This remote programming capability reduces field labor on large or multi-floor KNX installations. The device draws power directly from the KNX bus (20 mA), eliminating the need for a separate power supply.

KNX Security (AES-128) can be enabled through ETS software to protect the KNX bus against unauthorized access, which is increasingly relevant in commercial building applications subject to cybersecurity requirements. The DIN-KXI's front panel includes push buttons and LEDs for on-device programming mode selection, BAOS connection selection (up to 10), and tunnel connection selection (up to 5), providing local diagnostics and configuration without a laptop connection.

Key Features

• Ethernet-to-KNX TP bridge for Crestron 4-Series control system integration
• Supports KNXnet/IP Security (AES-128) — configurable via ETS software
• Controls up to 1,000 KNX datapoints across up to 8 simultaneous tunneling connections
• Powers entirely from the KNX bus — no external power supply required
• 1M (18 mm) wide DIN EN 60715 rail mount, DIN 43880 compliant form factor
• Compatible with KNX ETS5 and ETS6 programming and diagnostic software
• On-board push buttons and LEDs for Programming mode, BAOS (up to 10), and Tunnel (up to 5) connection selection
• LAN port: (1) 8-pin RJ-45, 100BASE-TX with DHCP enabled by default
• KNX connectors: (2) push-in style 4-conductor bus connectors for TP wiring
• CE certified; compact 90 x 18 x 62 mm form factor weighing only 40 g

Typical Applications

• Crestron 4-Series control system integration with KNX lighting, HVAC, shading, or energy management installations in commercial buildings
• Office buildings and campus environments where KNX infrastructure is already deployed and Crestron is added as the primary control layer
• Remote KNX bus programming and diagnostics via LAN without requiring direct physical access to the DIN enclosure
• New commercial construction where KNX is specified for building systems and Crestron is specified for AV and room control
• Hospitality and multi-tenant buildings with mixed Crestron and KNX subsystems requiring unified automation control

Technical Specifications

Frequently Asked Questions

Does the DIN-KXI require a separate power supply?

No. The DIN-KXI draws power directly from the KNX TP bus at 20 mA. No external 24V power supply is required, provided the KNX line power supply has sufficient spare current capacity for the gateway.

How many KNX devices can be controlled through the DIN-KXI?

The DIN-KXI supports up to 1,000 KNX datapoints across the connected KNX TP line. The number of physical KNX devices depends on the datapoint count per device and the capacity of the KNX TP line infrastructure, not a hard device count limit in the gateway itself.

Is ETS software required on-site to configure the DIN-KXI?

ETS5 or ETS6 software is required for initial configuration, enabling KNX Security, and selecting the operational modes for BAOS and Tunnel connections. Once configured, the device operates autonomously and does not require ongoing ETS access for normal Crestron control system operation.