Used, like-new ETC Response Gateway 4 port 5 pin DMX out mk2 up for sale.  No power supply included (none is shipped with a new unit for reference).  Fully tested and functioning. Used for RDM.

 Ask any questions you may have.

From the manufacturer:

Response Mk2 DMX Gateways provide DMX and RDM data distribution, taking advantage of the reliability and interoperability of industry-standard protocols such as ANSI E1.31 (sACN) and ANSI E1.20 (RDM) using standard Ethernet cabling and infrastructure. The Gateways are available in 1-, 2-, and 4-port models to support multiple DMX universes. Each Gateway supports 256 RDM devices.

Response Mk2 DMX Gateways offer seamless integration into ETC’s Unison architectural lighting control systems, and also pair perfectly with ETC’s entertainment controls.

Finding the right Ethernet gateway has never been easier. With wall-mount, portable, and DIN rail form factors, you can always find the perfect fit for your application. And ETC's variety of DIN rail enclosures ensure you have a secure, convenient place to house your DIN rail devices. All Gateways can be powered via Power over Ethernet or 12-24 VDC external power supply.

All models feature:

• 10/100 Mbps Ethernet connection

• sACN (ANSI E1.31) Support (up to eight sources per port)

• DMX/RDM (ANSI E1.20) Support

• OLED Screen and local UI

• cETLus Listed / CE compliant / EAC certified

• PoE (IEEE 802.3af) or 12-24 VDC external power supply (available separately)