12
CN SignalMaster
™
Federal Signal
www.fedsig.com
Installing the CN SignalMaster
For programming options, see the instructions included with the Interface Module or
the Federal Signal serial control head.
Table 2 CN SignalMaster controls and wires from the Serial Interface Module
Light Bar Controls
Wire Color
Description
Mode 1
Blue
Lowest priority
Mode 2
Blue/White
Overrides Mode 1
Mode 3
Black/Red
Overrides Modes 1 and 2
Steady Burn
Red/White
One (driver side) or two heads (driver and
passenger side) burn steadily when 12 Vdc is
applied to the control wire for Steady Burn. See
“Setting Configuration Options” on page 13.
Front Cutoff*
Green/White
Turns OFF power to the Front CN SignalMaster.
Rear Enable*
Green/White
Turns ON power to the Rear CN SignalMaster.
Not available for Front CN SignalMaster.
Flash Takedown
Red/Black
Flashes the Takedown lights in Modes 1, 2,
and 3 with every flash pattern. To have the
Takedown lights remain off and flash only when
the Flash Takedown wire is activated, see “Setting
Configuration Options” on page 13.
Left Alley
Green/Black
Not available for Front or Rear CN SignalMaster.
Right Alley
Orange/Red
Not available for Front or Rear CN SignalMaster.
Takedown
White/Black
Provides white light to the front. Overrides Flash
Takedown lights and Front Cutoff.
Low Power
White/Black/Red
Dims the lights approximately 50 percent to prevent
blinding approaching drivers. Low Power is only
available in Modes 1 and 2 and is disabled when
switched to another flash pattern, including Mode 3
and Intersection.
Intersection (SW-2
Switch 3 in the up
position)
Scene Light, Left
(SW-2 Switch 3 in
the down position)
Blue/Black
Typically a high activity pattern. Overrides all three
priority modes. Scene Light, Left is unavailable.
Applying 12 Vdc to the Scene Light, Left wire turns
on the left half of the CN SignalMaster. Intersection
is unavailable.
Light bar Test Pattern
(SW-2 Switch 3 in
the up position)
Scene Light, Right
(SW-2 Switch 3 in
the down position)
Black/White/Red
Flashes the LEDs sequentially and then flashes
the takedown and alley lights. Scene Light, Right is
unavailable.
Applying 12 Vdc to the Scene Light, Right wire
turns on right half of the light bar. Light bar Test
Pattern is unavailable.
*See document P/N 2562248 for instructions on setting these options in the Serial
Interface Module
NOTE: If you are installing a Front and Rear CN SignalMaster on the same vehicle, you
can use one interface box with a CAT5 splitter (P/N 1751531A).
