Owner manual
KRAMER: SIMPLE CREATIVE TECHNOLOGY 
Your SL-1 Master Room Controller 
4 
4  Your SL-1 Master Room Controller 
Figure 1 and Table 1 define the unit. 
Figure 1: SL-1 Master Room Controller 
Table 1: SL-1 Master Room Controller Functions 
# 
Feature 
Function 
1  RELAYS Terminal Blocks  Connect to low-voltage relay-driven devices (from 1 to 3) 
2  IR Output Terminal Blocks  Connect to IR emitter cables (from 1 to 2) 
3  RS-232 Terminal Blocks  Connect to the RS-232 devices (from 1 to 2) 
4  ETHERNET RJ-45 Connector  Connects to the PC or other serial controller through computer networking 
LAN 
5  DEFAULT Pushbutton  Press to reset to factory default definitions
1
6 
: 
IP number − 192.168.1.39, mask – 255.255.0.0, gateway – 0.0.0.0 
K-NET
2
PIN GND is for the ground connection Terminal Block 
3
7 
; PIN B (-) and PIN A (+) are for 
RS-485, and PIN +12V is for powering the unit 
12V DC Connector  For supplying power to the unit 
8  IR IN Sensor and LED  Accepts IR remote commands 
9  IR INPUT 3.5mm Mini Jack  Connects to a remote infrared sensor 
10  NET LED  Illuminates when the Ethernet link is active 
1 First disconnect the power cord and then connect it again while pressing the ETH Factory Reset button. The unit powers up 
and loads its memory with the factory default definitions and erases all stored presets  
2 K-Net is a proprietary Kramer protocol for interconnecting Kramer units 
3 The ground connection is sometimes connected to the shield of the RS-485 cable (in most applications, it is not connected) 










