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RS485 Communication Connections:
NOTE: The below is common between all the controllers covered in the manual.
The connection of the RS485 cable is vitally important to the operation of the system.
This connection provides all the events and alarms to the Master controller that is being
used with the installation.
Factory connected wiring color code:
Boards are Labeled
Label "A"
Common
Label "B"
Option 1: RS485 consisting of 3 conductors, a drain wire and foil shield and braid.
Install Cable
Connected to
Label "A"
Conductor 1
Conductor 2
Common
Label "B"
Conductor 3
Drain wire
Ground stud
Foil Shield and
Clamping terminal
Braid
Option 2: RS485 consisting of 2 Conductors, a drain wire and either a shield or
braid is used.
Install Cable
Connected to
Conductor 1
Drain Wire
Conductor 2
Shield or Braid
Clamping Terminal
WARNING: For Color Codes not shown the installer must take note of the colors used
for these connections since it is required that all A, Common and B terminals be
connected the same throughout the system.
Description
Communications "A"
Common for RS485
Communications "B"
Description
Communications "A"
Common for RS485
Communications "B"
Description
Label "A"
Communications "A"
Common
Common for RS485
Label "B"
Communications "B"
1501 Route 34 South, Farmingdale, NJ 07727 Tel: (732)
Document No: 9100-127-1958-99 Rev F
Color Code
Color Code
Ground
Connected when
Ground
cable enters the
enclosure and must
be secured to the
Color Code
Connected when
Ground
cable enters the
enclosure and must
be connected to
919-3119 Fax: (732) 751-5778 www.dialight.com
Grey
Yellow
Blue
Grey
Yellow
Blue
Bare wire
plate
Red
Bare Wire
Black
plate
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