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Installing an RS232 Interface
Installation
Read all instructions completely before installation.
Important Installation Notes
1. Install in accordance with all national and local
electrical codes.
2. Do not paint the RS232 Interface.
3. Operate in ambient temperatures between 0°C
(32°F) and 40°C (104°F).
4. Use only the AC adapter provided by Lutron with
your RS232 Interface unit. Using an AC adapter not
rated at the following specifications could damage
the control and possibly overheat the AC adapter.
• Input: AC 120V 60Hz
• Output: AC 9V/500mA Class 2
5. The range and performance of the RadioRA
System is highly dependent on a variety of complex
factors such as:
• Distance between system components
• Geometry of the home
• Construction of walls separating system
components
• Electrical equipment located near system
components
4
RadioRA
Setup Guide Addendum for the RS232 Interface
®
Step 1
Find a suitable location for the
RS232 Interface
Place the RS232 Interface in a convenient and
accessible location. Note: RS232 Interface
must be located within 30 feet of a Repeater.
Step 2
Mount the RS232 Interface
Using two screws, mount the RS232 Interface
to a 4"x4" junction box or directly to a wall
(screws and wall anchors provided).
Use two screws for mounting.
Display
1–15
See the RA-RS232 Setup
Guide for programming
and operating instructions.
For additional assistance call the Lutron Hotline:
RadioRA is a trademark of Lutron Electronics Co. Inc.
This product may be covered by one or more of the following
U.S. patents: 5,248,919; 5,399,940; 5,736,965; 5,798,581;
5,838,226; 5,848,054; 5,905,442, 5,982,103
4"x4" Junction Box
W
A
L
L
Knockout Hole
Mounting to
junction box
Coopersburg, PA USA
Infrered Interface
RA-RS232
Display
Assignment
Power
Up
Mode
9V
RS232 Connector
AC IN
TX
RX
Down
Select
Level Set
Power
Mode
Programming Mode
Phatom Button
U1 - ROOM/SCENE Selection
Number
Assign LED – SCENE
16
ALL ON
Level Set LED – ROOM
17
ALL OFF
U2 – Dimmer Number Assignment
U3 – Master Control Number Assignment
U4 – Hardware Handshaking
Assign LED – ON
Level Set LED – OFF
(800) 523-9466
Assignment Mode
Up
Down
Select
Level Set Mode
Power
W
A
L
L
Mounting to
wall
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