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4

1. Pull four-conductor wire from each room (home runs) to the AT-1.0 near

the controlled components.

Note:

Use 24 gauge unshielded solid or stranded copper wire up to

1200' (Cat. 5e ok), 22 gauge up to 2000', 20 gauge up to 3000'
and 18 gauge up to 5300'. Total lengths include all wire runs from
each room added together, not just the longest single run. If using
shielded wire, these lengths would be reduced by approx. 30%.
Also, to achieve operation with long lengths, the DIP switch must be
set to the NET ON position. 

2. Connect IR receivers in each room to the four-conductor runs as shown.
3. Connect the four four-conductor home run wires to the correct terminals

on the 

EZ-Connect Terminals

4. Install and plug the various emitters into the AT-1.0.
5. Set the DIP switches to EM ON (or BL ON if using blasters behind closet

doors) and NET ON.

6. Plug the local IR receiver into the IR RCVR jack. 
7. Plug in the Power Supply. 
8. The AT-1.0 system should now control the components.

Power Supply Note: 

The SpeakerCraft PS-1.0 12V DC 200 mA power supply

is adequate for this application and for most installations using only
SpeakerCraft IR Receivers. However, if you use one or more keypads in the
system, be sure to add up all the currents for each keypad, IR receiver, emit-
ter and blaster (if used) and determine the total current (see specifications
for the keypads, IR receivers, etc.). If the total current exceeds 200 mA, then
you will need to use the SpeakerCraft PS-2.0 12V DC 1.2 A power supply.

An example may serve to illustrate: Suppose you have two keypads (80 mA
each), five IR receivers (6 mA each), three emitters (15 mA each) and one
blaster (150 mA each). The total current is: 2x80 + 5x6 + 3x15 + 150 =
385 mA. Therefore, the PS-2.0 Power Supply would be necessary.

CAUTION:

Never connect regulated power supplies in parallel! If you need

more current; always step up to a higher current supply, as in this example. 

STATUS Brightness

Fig. 3

also shows how an external resistor can be added to reduce the

brightness of the Status LED’s on SpeakerCraft IR Receivers to any desired
level.  

In this example, a PS-1.0 12V Power Supply is used as the voltage source to
indicate ON/OFF status of an AV Receiver. 

Choose a resistor value that achieves the brightness you desire (about 2.2k
to 12k, 1/8 W). Connect it in series with the STATUS terminal on each IR
receiver desired, as shown. 

Bi-Directional IR Control

Fig. 4 

is an example of a two-room system using two AT-1.0’s for Bi-

Directional control on a common IR Network. This type of connection per-
mits IR receivers (or keypads if used), located in each room, to control the
various components in both rooms, whether local or remote.   

5

LIT02100

SpeakerCraft

SpeakerCraft • 1650 Seventh Street, Riverside, CA 92507 • 800-448-0976 • Fax 888-599-9059

www.speakercraft.com

6

1. Pull four-conductor wire between each room and connect them to the

AT-1.0’s as shown.

2. Connect the local IR receivers in each room to the IR RCVR jacks or in

parallel with the four-conductor runs at the AT-1.0 EZ-Connect Terminals
as shown.

3. Install and plug the various emitters into both AT-1.0’s as shown.
4. Set the DIP switches to EM ON (or BL ON if using blasters behind closet

doors). Set NET ON at one of the AT-1.0’s and to NET OFF on the other
one. 

5. Plug a Power Supply into only ONE of the AT-1.0’s. 
6. All components should now be controllable from either room.

Note: 

Additional AT-1.0’s may be wired into other rooms on the same

IR Network, up to about ten AT-1.0’s maximum. In every case, be sure
only ONE of the AT-1.0 Terminators on the network is set to the NET
ON position – all the others must be set to NET OFF!

Blaster Operation

Fig. 5

shows a typical basic system using the SpeakerCraft IRE-5.0 Blaster to

control a stack of components. For further details, refer to the IRE-5.0
Instructions. 

1. Plug the IRE-5.0 Blaster(s) into the EMITTERS/BLASTERS port(s) on the

SpeakerCraft AT-1.0 Amplified Terminator 

(see Fig. 5)

.

2. Set the DIP switch(s) on the Terminator to the BL ON (Blaster ON) position.

CAUTION:

The BL ON position sets the AT-1.0 to very high Blaster Power.

Be sure to return the DIP switch to EM ON (Emitter ON) position when driv-
ing normal emitters. 

Failure to do so will smoke the emitters!

3. Power the AT-1.0. Assuming other system connections have been properly

made, the components will now respond to Blaster control.

Note:

Blasters draw considerable current (150 mA) when passing IR

commands. If using two blasters, power the AT-1.0 with the PS-2.0 Power
Supply, not the PS-1.0.

VCR

A/V Receiver

IRC-3.0

Shelf Top IR Receiver

IRE-1.0

 

Emitter

To Switched
AC Outlet on
A/V Receiver

IRE-1.0

 

Emitter

STATUS

(yellow)

GND

(black)

To additional
AT-1.0's in other
rooms, if needed.
See text.

IR Network & Power Cable Bus

(Cat. 5, or other. See text.)

CD

To 120V AC 

(unswitched)

PS-1.0

Power
Supply

Satellite

DVD

AT-1.0

Amplified Terminator

IRE-3.0

  Visible Emitter

PS-1.0

"STATUS"
 Supply

IRE-4.0

  Dual

 Visible Emitter

To Additional
Controlled Unit

AT-1.0

Amplified Terminator

IRE-3.0

Visible Emitter

IRC-1.1

Flush Mount IR Receiver

+12V

(red)

IR OUT

(white)

To additional
Controlled Units
as desired.

CAUTION:

 Do NOT connect a power supply to this

or subsequent AT-1.0's on the Network. See text.

CAUTION:

 Connect ONLY this

power supply. See text.

X

ROOM 2 

ROOM 1 

NET ON

 only

this unit.

All others,

NET OFF

.

To additional
AT-1.0's in other
rooms, if needed.
See text.

+12V

GND

ST OUT

IR IN

IR

RCVR

STATUS IN

5~24V DC

12V DC

REGULATED

BL ON
BL ON
NET ON

EM ON
EM ON

EMITTERS /

BLASTERS

EMITTERS

NET OFF

AT-1.0

AMPLIFIED

TERMINATOR

SpeakerCraft

+12V

GND

ST OUT

IR IN

IR

RCVR

STATUS IN

5~24V DC

12V DC

REGULATED

BL ON
BL ON
NET ON

EM ON
EM ON

EMITTERS /

BLASTERS

EMITTERS

NET OFF

AT-1.0

AMPLIFIED

TERMINATOR

SpeakerCraft

EZ-Connect Terminals

EZ-Connect Terminals

®

®

Fig. 4

To 120V AC 

(unswitched)

PS-1.0

Power
Supply

AT-1.0

Amplified Terminator

IRC-3.0

Shelf Top

IR Receiver

IRE-5.0

IR Blaster

Remote Control

Cabinet

Door

Shelves

2nd 

IRE-5.0

 IR Blaster

(use if needed)

ILC-1.0

IR Light Collector
(use if needed)

Stacked Components in Cabinet

+12V

GND

ST OUT

IR IN

IR

RCVR

STATUS IN

5~24V DC

12V DC

REGULATED

BL ON
BL ON
NET ON

EM ON
EM ON

EMITTERS /

BLASTERS

EMITTERS

NET OFF

AT-1.0

AMPLIFIED

TERMINATOR

SpeakerCraft

®

Fig. 5

LIMITED 5-YEAR WARRANTY

SpeakerCraft warrants this product to be free of defects in materials or work-
manship. This extends for five years from the date of purchase by the original
consumer. Any products returned to SpeakerCraft and found to be defective
by SpeakerCraft within the warranty period will be repaired or replaced, at
SpeakerCraft’s option, at no charge. SpeakerCraft will not be responsible for
the actual cost of installation or removal of the product, nor for any incidental
or consequential damages. Some states do not allow the exclusion or limita-
tion of incidental or consequential damages, so the above limitation may not
apply to you. This warranty gives you specific legal rights. You may have addi-
tional legal rights that vary from state to state.

®

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