Figure 2 Serial Interface Module; Table 10 Sw-2 Dip Switch Settings - Federal Signal Corporation Legend LGD Installation, Operation And Service Manual

Switch Settings in the Serial Interface Module
The switches to change default settings and reprogram flash patterns are
accessible through openings on the side of the Serial Interface as shown in
Figure 2.

Figure 2 Serial Interface Module

Table 10 SW-2 DIP Switch Settings

SW-2
Switch
Number
1
1
2
3
4
4
5
5
6
6
7
8
Selecting External SignalMaster Control
Internal control is the factory default setting. See Table 10.
To change to External control:
1. Unplug the 24-pin harness from the Serial Interface Module.
2. Move Switch 4 on SW-2 to the up (OFF) position.
3. Plug the 24-pin harness into the Serial Interface Module.
Installation, Operation, and Service Manual
Federal Signal www.fedsig.com
Switch Setting
Up Down
(OFF) (ON) Function
X FRONT/REAR LEDs cut off (turn off) when 12 Vdc is applied
their control wires (Table 9 on page 20)
X FRONT/REAR LEDs enable (turn on) when 12 Vdc is applied
to their control wires
X Keep in OFF position
X Keep in OFF position
X SignalMaster, Internal control (factory default)
X SignalMaster, External control
X
Cycle forward through the selection of flash patterns
X Cycle backward through the selection of flash patterns
X Operation Mode
X Program Mode
Switch for INTERSECTION operational settings (Table 11 on page 24)
Switch for INTERSECTION operational settings (Table 11)
Preparing the Legend for Installation
SW1 PUSHBUTTON FOR
SELECTING FLASH PATTERNS
J3 CONNECTOR FOR
SERIAL CABLE FROM
LIGHT BAR
SW2 DIP SWITCHES (SEE
TABLE 3.2 ON PAGE 21)
J1 CONNECTOR FOR 24-CONDUCTOR
CABLE SUPPLIED WITH SERIAL
INTERFACE MODULE
PROGRAMMING HEADER FOR CLONING
FLASH PATTERNS FROM VEHICLE TO
VEHICLE. (SEE THE INSTRUCTIONS
INCLUDED WITH THE PROGRAMMER.)
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