Kramer Electronics SL-10 - Manual (Page 9)

6 SL-10 - Overview
# Feature Function
8 K-NET Connector PIN GND is for the Ground connection; PIN B (-) and
PIN A (+) are for RS-485, and PIN +12V is for
powering other units
K-NET is a proprietary Kramer protocol for
interconnecting Kramer units
The ground connection is sometimes connected to the
shield of the RS-485 cable (in most applications, it is not
connected)
Note that the SL-10 cannot receive power via the K-NET
connector, but can power other units (but not another
SL-10)
9 RS-485 TERM Switch Slides down for RS-485 termination, slides up for not
terminated
10 K-NET TERM Switch Slides down for K-NET termination, slides up for not
terminated
11 PROG. Switch For service use only
12 12V DC Socket 12V DC connector for powering the unit
13 IR
INPUTS Built-in receiver and
STATUS LED Accepts IR remote commands
14 3.5mm Mini Jack Connects to an external IR receiver
15 RELAY LEDs Illuminate when a relay is active (1 to 5)
16 IR LEDs Illuminate when an IR port is active
17 NET LED Illuminates when The Ethernet link is active
18 K-NET LED Illuminates while transmitting over K-NET
19 RS-485 LED Illuminates while transmitting/receiving on an RS-485
port
20 RS-232 (Tx/Rx) LEDs Illuminate while transmitting/receiving on an RS-232
port (1 to 2)
21 GPI/O LEDS Illuminate while transmitting/receiving on a general
purpose I/O port (1 to 2)
22 PROGRAM USB Connector Connect to a computer for unit configuration and
firmware upgrading