Kramer Electronics Ltd.
SL-280 – Defining the SL-280 Master / Room Controller Kramer Control Brain
5
Figure 2: SL-280 Master / Room Controller Kramer Control Brain Rear Panel
#
Feature
Function
SERIAL
Ports (1–8)
Terminal Block
Connect to up to 8 serial controlled devices, for Ethernet-to-RS232
bidirectional tunneling.
IR
Ports (1–8)
Terminal Block
Connect to up to 8 IR emitters or blasters.
I/O
Ports (1–8) Terminal
Block
Connect to up to 8 sensors or devices to be controlled, for example, a
motion sensor. Port may be configured as a digital input, digital output, or
analog input (see
Configuring I/O Ports
on page
15
).
RELAY Ports (1–8)
Terminal Block
Connect to up to 8 devices to be controlled by relay for example, a
motorized projection screen. Six of the ports are NO and ports 1 and 5 can
be connected as NO or NC (see
Connecting the Relay Ports
on page
8
).
USB Connector
For future use.
ID Button
For self-identification over the network.
Press the button to send (broadcast) the Beacon P3K command.
Reply includes: IP address, UDP port number, TCP port number, MAC
address, and Model Name.
RESET Button
Press while performing a factory default reset (see
Resetting to Factory
Default Settings
on page
25
.
LAN RJ-45 Connector
Connect to a local area network. Indications:
LINK LED lights amber – 1000/100/10MB connection.
DATA LED flashes green – Ethernet data link activity.
Power Socket with Fuse
and Power Switch
Connect to the power cord and to the mains electricity.
Switch for turning the unit ON or OFF.
