Kramer Electronics SL-12 User Manual
Page 9
6
SL-12 - 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
Note that the SL-12 cannot receive power via the K-NET
connector, but can power other units (but not another
SL-12)
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
12V DC connector for powering the unit
13
IR INPUT Built-in receiver
and STATUS LED
Accepts IR remote commands (see
Section
14
IR INPUT 3.5mm Mini Jack
Connect to an external IR receiver (1 and 2)
15
RELAYS LEDs
Illuminate when an relay is active (1 to 8)
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 4)
21
GPI/O LEDS
Illuminate while transmitting/receiving on a general
purpose I/O port (1 to 4)
22
PROGRAM USB Connector Connect to a computer for unit configuration and firmware
upgrading