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Run the two communication cables through one of the conduit openings under the controller board:
Repeat steps #2 through #5, until all the signs are connected as shown below:
MASTER UNIT
SERIAL ADDRESS = 1
SECONDARY MASTER UNIT
SERIAL ADDRESS = 2
SECONDARY MASTER UNIT
SERIAL ADDRESS = 3
Complete the sign installation.
• See the "AlphaEclipse StreetSmart Sign Installation Manual" (pn 1179600101).
• Remember to earth ground the sign using the ground lug on the back of the sign.
AlphaEclipse StreetSmart Multiple Master Sign Connection (pn 1179630201)
Control cube
(bottom rightmost cube)
Control cube
(bottom rightmost cube)
To COM 2 in next sign.
Temperature probe (optional)
Mount the probe to a light-colored surface at least 6 feet
above ground and not in direct sunlight.
COM 2
SHIELD
BLACK
RED
GREEN
WHITE
SHIELD
BLACK
RED
CONNECT TO
COM 2 (TEMP PROBE)
IN ADDRESS 2
COM 2
SHIELD
BLACK
RED
SHIELD
BLACK
RED
CONNECT TO
COM 2 (TEMP PROBE)
IN ADDRESS 3
To COM 0 in next sign.
Power wire conduit hole
Communication conduit hole
•
Run communication
cables through this
conduit hole.
•
Do NOT run
communication cables
in the same conduit as
the power wires.
COM 0
COM 2
Controller board
COM 0
1
2 3 4
5
1 2 3 4 5 6 7
SHIELD
BLACK
RED
Communication Cable Conduit:
• Run the two communication cables
through a conduit.
CONNECT TO
COM 0 (MAIN RS485)
• Do NOT run communication cables in the
IN ADDRESS 2
same conduit as the power wires.
• Cable that is not run through a conduit
will deteriorate from exposure to sunlight.
Controller board
COM 0
1
2 3 4
5
1 2 3 4 5 6 7
SHIELD
BLACK
RED
SHIELD
BLACK
RED
CONNECT TO
COM 0 (MAIN RS485)
IN ADDRESS 3
Connect
communication
cables to these
(see step #6.)
(bottom)
1 2 3 4
5
(bottom)
1 2 3 4
5
Ground lug
March 28, 2006
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