RC-74DL 12-Button Master Room Controller with Digital Controller Knob

Our Part Number: RC-74DL
Manufacturers Part Number: 85-709770190
  • 12 RGB–color, backlit buttons
  • Custom labeled, removable button caps
  • Digital knob for volume control
  • 3 8–characters program–configurable LCD displays
  • 1 Ethernet port
  • 2 KNET™ ports
  • 3 Bidirectional RS–232port
  • 2 IR emitter port
  • 4 Relay ports

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The RC−74DL is a 12−button control keypad, with knob and LCD displays. It is a versatile device that connects to powerful control tools: over Ethernet it connects to Kramer's Site−CTRL™, a remote AV control, site management & monitoring system. For extended controlled device capacity it connects to LAN−connected control gateways. For remote keypad control it connects via KNET™ to master room controllers and auxiliary keypads. It flexibly serves either as a standalone room controller, part of multi−units KNET™ system, or part of multi−unit Ethernet system managed by Kramer Site−CTRL™ site management platform. The RC−74DL is ideal for auditoriums and meeting rooms, for convenient control of their complex multimedia systems and other room facilities such as screens, lighting and shades.

  • Back Lit & Label Capable Buttons — 12 RGB–color, tactile feedback, backlit buttons. Buttons are grouped in 3 groups, each with it group LCD display.
  • Custom Labeled, Removable Button Caps.
  • Volume Control Knob with LEDs — Bi–directional rotary dialed digital knob for volume control, with 5 LEDs bar for visual volume level feedback.
  • LCD Displays — 3 blue–color and 8 white–characters LCD displays, in 3 button groups, for programmed visual feedback indication and group configured labeling.
  • 2 K–NET™ Connectors — Connect to master room controller, and auxiliary keypads for remote keypad control.
  • K–NET™ Single Link Connection — Provides a single keypad link cable–connectivity, carrying both power and keypad control communication information.
  • 1 RS–485 Bi–directional Control Port — Control devices via RS–485 control protocols.
  • 3 RS–232 Bi–directional Control Ports — Control a device via bi–directional serial control protocols.
  • 2 IR Emitter Control Ports — Control a device via IR control protocols.
  • 2 GPI/O Control Ports — Control a device 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 light dimming level, or lighting control devices.
  • 4 Relay Control Ports — Control a device via relay contact closure, such as scrolling up and down screens, drapes, shades, and blinds.
  • IR Sensor Port — Learns commands from IR remotes.
  • Program Control — Program configuration with Kramer K–Config software.
  • Kramer Site–CTRL™ Compatibility — For network management and remote control over the Ethernet port.
  • Keypad Lock–Out — Option for tampering prevention by locking and unlocking of the keypad buttons.
  • Mini USB Port — For uploading configuration files, setting the K–NET™ ID number, and powering the device during configuration.
  • Mounting — In–wall, in standard 3 gang US wall junction boxes.
  • Easy Installation — Fits to standard in–wall boxes for simple and cost–reducing installation.


  • Control in presentation and conference room systems, board rooms and auditoriums.

RC-74DL User manual

User manual for the RC-74DL 12-Button Master Room Controller with digital controller knob.

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RC-74DL Technical Data Sheet

Technical Data Sheet for the RC-74DL 12-Button Master Room Controller with digital controller knob.

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