Kramer Electronics RC-76M - Manual (Page 9)

6 RC-76M/ RC-712M - Overview
Figure 2 defines the rear panel of the RC-76M/RC-712M:
Figure 2: RC-76M/RC-712M Room Controllers – Rear Panel
# Feature Function
5 K-NET Terminal Block 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
6 RS-485 Terminal Block Connector Pins B (-) and A (+) are for RS-485;
Pin G may be connected to the shield (if required)
7 ETHERNET RJ-45 Connector Connects to the PC or other serial controller
through computer LAN to control AV products
8 RELAY C1 Connect to low-voltage relay-driven device 1
9 GPIO/GND Terminal Block
Connector Connect to various sensors, switches, LEDs, or
relays
10 IR 2 Terminal Block Connector Connect to IR emitter cable 2
11 IR 1 Terminal Block Connector Connect to IR emitter cable 1
12 Power Supply 2-pin Terminal
Block Connector Connect +12V to +12V, ground to GND
13 RS-485 Terminator Switch Slide the DIP-switch up to terminate the RS-485
line with a 120Ω load; down is for no termination
14 K-NET Terminator Switch Slide the DIP-switch up to terminate the K-Net line
with a 120Ω load; down is for no termination
15 RS-232 (1) Terminal Block
Connector Connects to a PC or the remote controller
16 RS-232 (2) Terminal Block
Connector Connects to a PC or the remote controller
17 Program Switch For technical support use only (should be set
downwards for normal operation)