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Kramer SL-240C

Compact 16–Port Master / Room Controller with PoE

  • Supported by Kramer Control
  • Scalable & flexible control
  • Bidirectional RS–232 & IR with learning capability
  • GPI/O & relay control
  • Power over Ethernet
  • Supported by: Kramer Control Only

Download Specsheet

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.

Bidirectional Ports

  • 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


  • 1 built–in IR sensor (for learning)


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


  • LED indicator for each port and function

Processor Speed

  • 1GHz


  • 512MB RAM, 4GB Flash

Power Consumption

  • 5V DC, 2A

Power Source

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

Product Dimensions

  • 19.00cm x 11.50cm x 2.70cm (7.48" x 4.53" x 1.06" ) 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.


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

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