Model AOP-SP70 is usually paired with the TLO to convert the signals of Model
TLO for compatibility with the receiving device for providing two-way audio. The
AOP-SP70 drives the audio signals into the audio input and output of the IP
Camera, etc, for transmission over the network and to an existing computer (or
other devices) at the receiving site. Person at the receiving site hears the audio
through the computer speaker or through a headphone. For talkback to the
remote site (TLO location), the computer’s microphone is used to transmit audio
back through the network to the AOP-SP70. It is then amplified and sent out to
the speaker portion of the remote TLO. The AOP-SP70 provides power to the
TLO and contains adjustments for microphone gain and speaker volume. A 12Vdc
power supply is included with the AOP-SP70.
MODEL TLO OUTDOOR SPEAKER/MICROPHONE
Model TLO is a two-way speaker and microphone and re-entry horn for high
volume penetration. Weatherized for outdoor applications, the microphone and
speaker horn are all within one housing. In operation, the TLO together with the
AOP-SP70 provides hands-free bi-directional audio communication with the audio
receiving device (DVR, IP Camera, etc.).
Red - 12Vdc Power
Black - Audio Output
Bare - Ground
Green - Speaker Positive
White - Speaker Ground
COLOR CODE FOR RECOMMENDED CABLE
Microphone Portion
}
Speaker Portion
}
Color code may vary if using wiring from other manufacturers
MICROPHONE CONNECTION OF TLO
The short cable extending from the back of the TLO is the microphone connection and consists of three wires:
red,black and bare. Using recommended wiring (West Penn 356 or equivalent), make microphone
connections using 20 gauge wire nuts and matching red wire with red, black with black and bare wire with
bare wire. See diagram next page.
SPEAKER CONNECTION OF TLO
Speaker connection is located near the rear of the TLO and has a plexiglass window. Remove window and
connect the speaker portion of West Penn 356 (green and white wires) to the two terminal screws marked 1
and 2.
Green speaker wire goes to position 1 (positive)
see diagram below
White speaker wire goes to position 2 (negative)
1 through 7
power tap settings
Speaker connection
(WHITE-negative)
2
1
1
35
6
7
2
set screw
Speaker connection
(GREEN-positive)
POWER TAP SETTINGS OF TLO
Located above the speaker connection of TLO is a set screw with a dial numbered 1 through 7. Using a small
screw driver, adjust the set screw to correspond to the proper power tap as shown below.
Setting
I Louroe Model TLO connected to Louroe AOP-SP70
conversion unit for interfacing with a DVR or IP Network Camera, use:#2 3.8W
Wattage
LOUROE ELECTRONICS® 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
website: www.louroe.com e-mail: sales@louroe.com
Page 2 of 8
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INSTALLATION AND OPERATING INSTRUCTIONS
POSITIONING TLO
After TLO has been mounted to desired structure (wall, pole, etc.), horn should be tilted in a downward position.
This will protect the microphone element from water damage.
WIRING DIAGRAM OF MODEL TLO OUTDOOR SPEAKER/MICROPHONE
Speaker terminal screws
MICROPHONE PC BOARD
AND HOUSING
MICROPHONE
CABLE
RED
(12Vdc)
green wire to #1 (positive)
white wire to #2 (ground)
BLACK
(audio output)
BARE
(ground)
1
35
2
1
6
7
2
2
1
MOUNTING
ARM
Microphone connection
using three wire nuts
Red wire to red = 12Vdc
Black wire to black = Audio Output
Bare wire to bare = Ground
Speaker Connections
green - positive
white - ground
WEST PENN 356
(A) RED
MICROPHONE
CONNECTION
(B) BLACK
{
(C) BARE
To
Green = speaker (positive)
White = speaker (negative)
See page 5
for connection diagram
Louroe AOP-SP70
Audio Conversion Unit
LOUROE ELECTRONICS® 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
website: www.louroe.com e-mail: sales@louroe.com
Page 3 of 8
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INSTALLATION AND OPERATING INSTRUCTIONS
CONNECTING TLO TO AOP-SP70 UNIT AND TO RECEIVING DEVICE (DVR, IP
NETWORK CAMERA, ETC.)
(Refer to Diagram on page 5)
MICROPHONE CONNECTION OF AOP-SP70
On the AOP-SP70 PC board locate the 3-pin terminal block marked A, B, C. This is the microphone connection.
1) Connect RED wire to pin A (12Vdc)
2) Connect BLACK wire to pin B (Audio Output)
3) Connect BARE wire to pin C (Ground)
SPEAKER CONNECTION OF AOP-SP70
Located on the AOP-SP70 Transformer are two wires, Green and White.
1) Connect Green wire of AOP-SP70 Transformer to Green wire from TLO (speaker positive) using a
wire nut.
2) Connect White wire of AOP-SP70 Transformer to White wire from TLO (speaker ground) using a wire
nut.
WIRING CONNECTION FROM AOP-SP70 TO THE AUDIO RECEIVING DEVICE (DVR,
IP NETWORK CAMERA, VIDEO SERVER, SOUNDCARD, ETC.)
WIRING REQUIREMENTS
3 Conductor consisting of:
+
2 Conductor shielded, 20 gauge
with 22 gauge drain
+
1 Conductor unshielded, 20 gauge
All in the same jacket
West Penn 358 or equivalent
CONNECTION TO AOP-SP70
Locate the 4-pin terminal block (marked A, B, C, SP) and connect as follows:
1) Red wire goes to Pin BAudio Output
2) Black wire goes to Pin CGround (audio)
3) Bare wire goes to Pin CGround (speaker)
4) White wire goes to Pin SPSpeaker Output
NOTE: Pin “A” is not used. Both black and bare wire connect to Pin C.
CONNECTION FROM AOP-SP70 TO DVR, IP NETWORK CAMERA, ETC.
After wiring connection has been applied to the 4-pin terminal block of the AOP-SP70, run other end of cable to the audio
receiving device’s audio Input/Output (usually either RCA, 3.5mm mono or 3.5mm stereo). If Audio In/Out of DVR, IP
Camera, etc. is 3.5mm type, refer to the specific instructions to determine if mono or stereo. Solder on the appropriate
plugs to match the “Audio In” and “Audio Out” of the DVR, etc. as shown on page 5.
LOUROE ELECTRONICS® 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
website: www.louroe.com e-mail: sales@louroe.com
Page 4 of 8
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ASPB
C
West Penn 358
or equivalent
INSTALLATION AND OPERATING INSTRUCTIONS
INTERCONNECTION DIAGRAM
LOUROE MODEL AOP-SP70 SPEAKERPHONE CONVERSION UNIT,
AND LOUROE MODEL TLO SPEAKER/MICROPHONE
CONNECTION TO
DVR, IP NETWORK CAMERAS OR VIDEO SERVER
Using power supply (included), connect as
follows:
Positive 12Vdc connects to terminal marked
“+”
Negative 12Vdc or ground connects to
terminal marked “GND”(wire with white
stripes)
LOUROE MODEL AOP-SP70
EXT
EXT
SPKR
RED (A)
BLACK (B)
BARE (C)
SPKR SPKR
WHITE
GREEN
A B CCBA SP
Vdc+12
GND
WIRE NUTS
+
WIRING REQUIREMENTS FOR TLO
4 Conductor shielded cable
2 shielded 20 gauge and
2 unshielded 18 gauge,
20 gauge drain wire
West Penn 356 or equivalent
Model TLO is Designed For Outdoor
or Moist Applications
BLACK
RED
MICROPHONE
CABLE
Microphone connection
using three wire nuts
Red = 12Vdc
Black = Audio Output
Bare = Ground
BARE
GREEN SPEAKER
(POSITIVE)
WHITE SPEAKER
(GROUND)
(C) BARE
(B) RED
TO AUDIO IN OF DVR, ETC.
BLACK (C)
WHITE (SP)
TO AUDIO OUT OF DVR, ETC.
For connection to DVR, IP Network Camera, etc., solder the appropriate plug (RCA, 3.5mm
mono or 3.5mm stereo) to match the audio inputs of the receiving device as shown below.
Refer to IP Camera’s instruction to determine if 3.5mm audio is mono or stereo
3.5mm STEREO CONNECTION
Black Wire
Bare Wire
Red Wire
S
T
E
R
E
O
Audio In
LOUROE ELECTRONICS® 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
White Wire
Audio Out
3.5mm MONO CONNECTION
Black Wire
Bare Wire
Red Wire
M
O
N
O
Audio In
Audio Out
RCA CONNECTION
White Wire
Red Wire
(818)
Bare Wire
Audio In
White Wire
Black Wire
Audio Out
website: www.louroe.com e-mail: sales@louroe.com
Page 5 of 8
aopsp70_ inst_3/15
INSTALLATION AND OPERATING INSTRUCTIONS
APPLYING POWER TO AOP-SP70
AOP-SP70 requires 12Vdc, 500mA power. A 12Vdc power supply is included. Connect the
stripped ends of the power supply to the 2-pin terminal block located in the far right of the pc
board marked “12Vdc”. Positive 12Vdc connects to the terminal marked “+” and negative 12Vdc
or ground connects to the terminal marked “GND”.
TLO SPECIFICATIONS
SPECIFICATIONS (MICROPHONE)
Sensitivity-45 dBV/Pa
1 Pa = 94 dB SPL
Frequency Response50 Hz to 15 kHz
OutputLine Level (0 dBV, 600W @ 1kHz)
Current Drain 10mA
Supply Voltage12 Vdc
Microphone HousingHigh Impact Anti-Static ABS
Dimensions2 5/8” L x 2 1/8” W x 1 1/16” H
SPECIFICATIONS (SPEAKER)
Power rating30W max @ 167W (setting 5)
Dimensions
Frequency response
Input
Voice coil impedance8W
Weight of TLO
11”W x 6 5/8”H x 12 3/4”D
350Hz to 14 kHz
70V constant
5 Lbs 5 oz
SPECIFICATIONS FOR AOP-SP70
Audio output impedance
Audio input impedance
Talkback power output
Power Input
Dimensions
Weight
Shipping Weight
600
600
1W @ 70V
12 Vdc, 500 mA
8 3/8”L x 7 3/8”W x 2 3/4”H
3 lbs 8.5 oz
6 lbs
LOUROE ELECTRONICS® 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
website: www.louroe.com e-mail: sales@louroe.com
Page 6 of 8
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INSTALLATION AND OPERATING INSTRUCTIONS
LOUROE ELECTRONICS® 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
website: www.louroe.com e-mail: sales@louroe.com
Page 7 of 8
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MANUFACTURED
IN THE
IMPORTANT NOTICE
When this equipment is used as part of an audio monitoring system, the law requires that the public be given notice of AUDIO
MONITORING ON THE PREMISES. To protect the installing dealer and his customers, when this equipment is used as part of
an audio monitoring system, a decal stating AUDIO MONITORING ON THESE PREMISES (provided by Louroe Electronics)
must be installed in a visible location at the entrances and exits of both private and public buildings and vehicles.
This is to comply with United States Code, Title 18, Section 2510(2) regarding rights of privacy, it states:
“Oral communication means any “oral communication” uttered by a person exhibiting an expectation that
such communication is not subject to interception under circumstances justifying such expectation.”
By definition of the code section, a person cannot have an expectation of privacy, nor can he or she expect that
communication will not be intercepted. THIS IS THE CASE ONLY IF THERE ARE PUBLIC SIGNS POSTED, INDICATING THAT THE COMMUNICATION IS BEING MONITORED.
These laws vary from state to state. If you are not informed on these matters, consult a qualified attorney or contact the
appropriate state agency.
A decal notice is included with each microphone shipped
from Louroe Electronics.
EXTRA DECALS ARE AVAILABLE FOR FREE
Call (818) 994-6498
or
email sales@louroe.com
AUDIO
MONITORING
On
These Premises
®
WARRANTY
LOUROE ELECTRONICS® warrants that at the time of shipment products manufactured by LOUROE
ELECTRONICS® to be free of defects in material and workmanship. Should a defect appear within one
year (12 months) from date of shipment, LOUROE ELECTRONICS® will, at its sole discretion, repair or
replace the defective equipment. This equipment shall not be accepted for repair or return without
prior notification by LOUROE ELECTRONICS®.
This warranty does not extend to any Louroe product that has been subjected to improper or incorrect
installation, misuse, accident, or in violation of installation instructions provided by LOUROE
ELECTRONICS®.
Returned shipments to LOUROE ELECTRONICS® shall be at customer’s expense. LOUROE
ELECTRONICS® will return the equipment prepaid via best way.
LOUROE ELECTRONICS® 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
website: www.louroe.com e-mail: sales@louroe.com
Page 8 of 8
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