Kramer SL-240C Room Controller


Compact 16–Port Master / Room Controller with PoE

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SKU: SL-240C Category:


SL−240C is a compact master/space controller (Kramer Control brain) with PoE. It can operate over Ethernet with control interfaces that include: four bidirectional RS−232, four IR, four GPI/O, and four relays. It controls devices such as scalers, video displays, audio amplifiers, Blu−ray players, sensors, screens, shades, door locks, and lights. Multiple Kramer Ethernet control gateways can be used to add remote I/O ports.

  • Space Controller — Controls any AV device/display with its corresponding logic.
  • High Performance Architecture — Enables a scalable and flexible programming platform.
  • 4 RS–232 Bidirectional Control Ports — For controlling devices via bi–directional serial control protocols.
  • 4 IR Emitter & 1 IR Receiver Control Ports — Control devices via IR control protocols and learn commands from IR remotes.
  • 4 GPI/O Control Ports — Control devices via general purpose I/O ports, program configured as digital input, digital output or analog input interface for controlling sensors, door locks, audio volume and lighting control devices.
  • 4 Relay Control Ports — Control devices via relay contact closure, such as opening and closing drapes, shades, blinds, and projection screen scrolling.
  • Resilient powering with PoE and optional PSU (not included).
  • Network Support — 10/100/1000Mbps Ethernet.
  • LED Indicators — I/O port state and system status.
  • Software Management Support — Kramer Control, API.


  • Controls small to large spaces for commercial, education and government sectors.

Additional information


1 built–in IR sensor (for learning)


4 IR out and 4 relays on 2–pin terminal block connectors


4 RS–232 serial on 3–pin terminal blocks, 4 GPI/O on 2–pin terminal blocks, 1 Ethernet on a RJ–45 connector, 1 mini–USB connector for firmware upgrade


LED indicator for each port and function




512MB RAM, 4GB Flash


5V DC, 2A


PoE (for extra power resiliency, connect to the optional 5V DC power supply)

Product Dimensions

18.75cm x 11.50cm x 2.54cm (7.38" x 4.53" x 1.00" ) W, D, H

Product Weight

0.4kg (1.0lbs) approx.

Shipping Dimensions

34.50cm x 16.50cm x 5.20cm (13.58" x 6.50" x 2.05" ) W, D, H

Shipping Weight

1.0kg (2.2lbs) approx.



Kramer provides innovative IT/AV solutions that blend cutting-edge cloud, software, and hardware technologies for Pro AV.


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