Kramer Electronics RC-3TBU - Manual (Page 9)

Figure 2: SL-14RC/N Master Controller Rear Panel
# Feature Function
7 K-NET Connector Connect the GND pin to the Ground connection; pin B (-) and pin A (+) are for RS-485, and the
+12V pin is for powering the unit
The ground connection is sometimes connected to the shield of the RS-485 cable (in most applications, it is
not connected)
8 SRVC and K-NET TERM
DIP-Switches For service use only. Slides down for K-NET termination, slides up for not terminated
9 FACTORY DEFAULT Button Press to reset to factory default definitions (see Section 11 )
First switch off the unit and then switch it on while pressing the DEFAULT button. The unit powers up and
loads its memory with the factory default definitions and erases all stored presets
10 RS-232 Terminal Blocks Connect to the RS-232 devices (from 1 to 6)
11 RELAYS Terminal Blocks Connect to low-voltage relay-driven devices (from 1 to 2)
12 I/O Terminal Block Connect to various analog and digital sensors
13 IR Output Terminal Blocks Connect to IR emitter cables (from 1 to 2)
14 ETHERNET RJ-45 Connector Connects to the PC or other serial controller through computer LAN
15 PROGRAM USB Connector
(on the SL-14RCN) Connects to a PC for software upgrading
On the SL-14RC this USB port is located behind the front panel (remove it by opening the four hex
screws)
16 Power Receptacle Connects to mains power
17 Power ON/OFF Switch Illuminated switch for turning the unit on and off
Note: In earlier versions (that is, with the SL-14RC) the USB connector is accessed via the front panel by removing the four front panel screws.
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