20
Installation
Directional Speaker (Model DS100)
Federal Signal www.fedsig.com
Figure 11 Opening speaker
Cover Screws
Wiring the Boards
You need to wire the audio for both the AC- and DC-powered units. For the AC-powered
unit, you need to wire power and relays to the Interconnect Board. For the DC-powered
unit, you need to wire a 24 Vdc input to the Amplifier Board.
Wiring the Audio to the Amplifier Board for AC and DC Units
Audio is brought over from the controlling speaker or another audio source to JP3 on
the Amplifier Board. Audio comes back out of the Amplifier Board on JP7 and can be
connected to an additional DS100 if used.
AC Units Only
Wiring Power to the Interconnect Board
AC power is brought over from the controlling speaker or another source to JP4 on the
DS100’s Interconnect Board. The power passes to JP5 to connect to an additional DS100
is used. Verify that the switch on the Power Supply Board is set correctly.
IMPORTANT: The total AC current draw from the controlling speaker should not exceed
8.5 amperes. This is the AC for powering the speaker.
Wiring the Relays to the Interconnect Board
Relay outputs from the controlling speaker are connected to JP1. They pass on to JP2
and can be connected to an additional DS100 if used. You can attach a light to the DS100
and connect it to one of the four relay outputs on JP3. Each relay output can handle a
maximum total load of 1 ampere.
DC Units Only
Wiring 24 Vdc Power to the Amplifier Board
To wire 24 Vdc power to the Amplifier Board:
1. Disconnect and remove the wires that connect the power supply board to the
Amplifier Board. See “Figure 13 DS100 Wiring Schematic for DC Powered Unit” on
2. Bring 24 Vdc from an outside source to JP1 on the Amplifier Board.
