Kramer SL-280 32-Port Master Room Controller Ethernet Control Gateway

The Kramer SL-280 is a professional master room controller designed for centralized AV management over Ethernet. It provides extensive control interfaces, including eight bidirectional RS-232, eight IR, eight GPI/O, and eight relay ports. This unit efficiently manages a variety of devices, such as video scalers, displays, audio amplifiers, and environmental systems. Its high-performance architecture ensures a scalable and flexible programming platform suitable for commercial, education, and government applications. The controller supports 10/100/1000Mbps Ethernet with 802.1x authentication for secure network integration. LED indicators provide real-time monitoring of all I/O port states and system status. Designed for reliability, it offers a robust solution for complex AV environments.

RS-232 Ports	8 (Bidirectional)
IR Ports	8 Emitter, 1 Receiver
GPI/O Ports	8
Relay Ports	8
Network	10/100/1000Mbps Ethernet, 802.1x authentication
Indicators	LED (I/O port state, system status)
Management Support	Kramer Control, API