The SL−1N is a master room controller. It controls audio and video components and other room facilities such as lights and screens.

- 2 Bidirectional RS–232 Ports — Control AV equipment such as projectors, LCD and PDP displays, power amplifiers, switchers and scalers.
- 3 Relay Contact Closure Ports — Conveniently control other room items related to the AV system such as raising and lowering drapes, the screen or the projector.
- IR Control — 1 input (3.5mm) and 2 outputs (terminal blocks).
- IR Learning Function — Learns commands from any IR remote.
- Kramer Site–CTRL™ Compatible — For network remote control and management using Kramer Site–CTRL software over the Ethernet port.
- K–NET™ Control Channel — For connecting compatible user interfaces and supplying power and control data over a single cable.
- USB Port — For uploading configuration file.
- Flexible Control — Ethernet, K–NET™, IR sensor and external IR commands.