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Appendix A: Wiring Schematics
52
Legend LGD and Legend LPX Light Bars
Federal Signal
www.fedsig.com
Appendix A: Wiring Schematics
This section has schematics showing the Legend light bar with typical connections
to these controllers:
• SignalMaster controller (external control)
• SW400SS Switch Module (internal control)
• SmartSiren Model SS2000SM
• Non-SignalMaster
• PA640
An Overview of the Discrete-Wired 24-inch Legend Light Bar
The Discrete-Wired 24-inch Legend is a special model that is designed to flash
only one flash pattern as long as power is supplied to the light bar. Because the
light bar does not connect to the Serial Interface Module, it has no CAT5 cable; the
10 AWG red and black cables are the only connections. An installer supplied-switch
is required. See schematic A 1.
Schematic A 1 Discrete-wired 24-inch Legend light bar
+
−
BLK
RED
20
A
LEGEND LIGHT BAR
290A6306
INSTALLER-SUPPLIED
SWITCH
12 V BATTERY