Installation And External Connection; Installing The Wall Mount; Termination Resistor - Samsung SSA-R2010 User Manual

installation and external connection

INSTALLING THE WALL MOUNT

1. Use 2 screws to fi x the Wall Mount on an appropriate point.
2. Drill a hole on the center of the Wall Mount so that the cables are arranged through it.
3. Take out the cables through the center hole.
4. Connect the cables to the 4 connectors as appropriate, and use one screw to fi x the Wall Mount with the
product.
64.0

TERMINATION RESISTOR

A resistor is inserted for line's impedance matching to prevent distortion and reduction in RS-422 or RS-485 long distance
data communications, which is referred to as termination resistor.
Note that termination resistors of lower than 90— are not allowed, neither more than one termination resistor is accepted
for the communications system.
RS-485/RS-232
Converter
3-Ø4.5
RS-485
120Ω
Termination Resistors
A
RS-485
B
120
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