11
Installation, Maintenance, and Service Manual
Federal Signal
www.fedsig.com
Control Wires for the Serial Interface Module
Control Wires for the Serial Interface Module
The serially controlled SIFM SpectraLux ILS connects to a Federal Signal Convergence
Network Siren/Controller or to the Serial Interface Module. Table 2 shows the default
functions of control wires from the Serial Interface Module. The first color of wire is the
wire predominant color and additional colors are stripes. For programming options, see
the instructions included with the Interface Module or the Federal Signal Convergence
Network Siren/Controller.
Table 2 SIF Rear light bar controls and wires from the Serial Interface Module
Light Bar Control
Wire Color
Description of Function
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.
Front Cutoff*
Green/White
Turns OFF power to the Split Front ILS
Front Enable*
Turns ON power to the Split Front ILS
Rear Cutoff
Orange/Black
N/A
Rear Enable
N/A
Scene Light, Left
Blue/Black
Applying 12 Vdc to the Scene Light, Left wire
turns on the left half of the light bar.
Flash Takedown
Red/Black
Flashes the Takedown lights in Modes 1, 2, and
3 with every flash pattern.
Left Alley
Green/Back
N/A
Right Alley
Orange/Red
N/A
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 available only in Modes 1 and 2 and is
disabled when switched to another flash pattern,
including Mode 3 and Intersection.
Scene Light, Right
Black/White/
Red
Applying 12 Vdc to the Scene Light, Right wire
turns on the right half of the light bar.
See Serial Interface Module Instructions for more information on programming.