INSTALLATION INSTRUCTIONS
MODEL 490-95
MICRO LINK™ “PLASMA FRIENDLY” INFRARED RECEIVER
TABLE OF CONTENTS
INTRODUCTION ............................................................................................................................................................. 1
Features...................................................................................................................................................................... 1
Specifications .............................................................................................................................................................. 1
INSTALLATION ............................................................................................................................................................... 2
Placement ................................................................................................................................................................... 2
Mounting...................................................................................................................................................................... 2
Application Wiring........................................................................................................................................................ 3
Advanced Wiring Configuration.................................................................................................................................... 3
3.5mm Mini Plug Pinout ............................................................................................................................................... 4
INTRODUCTION
The 490-95 is designed to reject interference from Plasma Displays from entering the IR signal line. These Small IR
Receivers are intended to be mounted in panels, doors, cabinets, etc. for control of A/V equipment behind closed doors or
any IR Repeater System that is in close proximity of a Plasma or LCD Displays. Modeled after the original 490-90, the
490-95 offers the same features as its predecessor but in a smaller mounting frame.
FEATURES
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Small size; mounts in ¾” diameter hole. 2¾ inches deep (70mm)
Quick-Connect 3.5mm Stereo Mini Plug on 7ft. (213.36cm) cable for direct plug-in to Xantech Connecting Blocks
Works in normal 3-wire mode (12VDC, IR, GND)
Green Talkback LED for System Verification
Improved Fluorescent Light rejection (under most conditions) and rejection from LCD Displays
Can be used in Direct Sunlight
RF Grid included for EMI interference reduction
Includes CB12 Connecting Block for easy connection and extension of 7' ribbon cable
7 units may be powered by one 781RG power supply
Note: The 490-95 will not operate in 2-wire Phantom Power mode
SPECIFICATIONS
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Infrared modulation frequency bandwidth: 30 - 100 kHz
Reception range: up to 55 feet (17M), depending on local conditions
Reception angle: 55 degrees off axis for 50% range reduction
Cable requirements: 3-conductor. Use 24 gauge up to 200' (61M), 22 gauge up to 600' (182.5M), 20 gauge up to
1000' (305M), 18 gauge up to 2000' (610KM) -- unshielded OK)
Maximum transmission length: One mile using 18 gauge wire (1.6KM)
Maximum current output: 100 mA
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Dimensions: 0.75" diameter x 2.75" deep (19mm x 70mm)
Power requirements: 12 volts DC @ 20 mA
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Model 490-95
Page 3
APPLICATION WIRING
A typical system, with a 490-95, 781RG Power Supply and 283M Emitter plugged into a 789-44 Connecting Block, is
shown in Figure 3:
1. Plug in the 2.1mm Coaxial power plug of the 781RG Power Supply (not included) into the jack labeled 12VDC on
the 789-44 Connecting Block.
2. Plug the AC end of the 781RG power Supply into an ‘un-switched’ 120v AC Line outlet.
3. Plug the 3.5mm stereo mini plug from the 490-95 into the IR RCVR input on the 789-44 Connecting Block
4. Plug in the Emitters 3.5mm mono mini plug such as any of the 282, 284, 283 and 286 series into the jacks labeled
EMITTERS on the 789-44 and affix the opposite end to the IR Sensor Window of the controlled equipment.
781RG
Satellite Receiver
Power Supply
To 120 VAC
(unswitched)
283M Emitter
490-95
Micro Link
789-44
Connecting Block
VCR
Plasma-Friendly
IR Receiver
Hand Held
Remote
283M Emitter
+12 VDC
AV Receiver
GND
STATUS
IR IN
283M Blink-IR™
Mouse Emitter
Equipment Rack
Figure 3 - Typical System Layout using 490-95, 789-44, 781RG, and 283M Emitters
ADVANCED WIRING CONFIGURATION
490-95 may also be used where the 7-foot lead is not long enough. In this case, simply use the CB12 Connecting Block
as a “break-out” block. In Figure 4, a 490-95 is extended down to a 789-44 Connecting Block and combined with other
Xantech IR Receivers.
1. Plug the 3.5mm stereo mini plug from the 490-95 into the IR RCVR input on the CB12 Connecting Block.
2. Using 3-Conductor wire (refer to Specifications section for proper Wire Gauge) connect the terminals labeled V
G S of the CB12 to the terminals labeled +12VDC, GND, and IR IN on the 789-44 Connecting Block (or other)
3. Plug in the 2.1mm Coaxial power plug of the 781RG (or 782) Power Supply (not included) into the jack labeled
PWR on the 789-44CB.
CAUTION! Do not plug in a 781RG or any other Power Supply into the CB12 when using in a “break-out”
configuration. This will put 2 supplies in parallel and possibly damage your equipment. If a ‘local’ emitter is needed on
the CB12, see Step 5 below.
4. Plug in the Emitters 3.5mm mono mini plug such as any of the 282, 284, 283 and 286 series into the Emitter
Outputs on the 789-44.
© 2004 Xantech Corporation
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Page 4
Model 490-95
ROOM 2
ROOM 3
ROOM 4
GND
+12V
3-Wire
Cable
490-95
Plasma-Friendly
IR Receiver
480-00
Dinky Link™
IR Receiver
Hand Held
Remote
780-10
J-Box
IR Receiver
Red
Stripe
IR OUT
+12V
(See Text)
+12 VDC
X
X
IR OUT
O U T
P W R CB12
IR OUT
GND
Connecting
Block
GND
To 120 V AC
(unswitched)
Satellite Receiver
782-00
Power
Supply
Smart
Pad™
282M
Mouse Emitter
789-44
V
G
S
VCR
Connecting Block
282M
Emitter
AV Receiver
+12 VDC
GND
STATUS
IR IN
283M
Blink IR Emitter
3-Conductor Room-to-Room Cable
24 to 18 gauge (unshielded OK)
286M
Dual Blink IRs
(to other
controlled
devices)
291-10
IR Receiver
MAIN ROOM 1, EQUIPMENT CABINET, ETC.
Figure 4 - Advanced Wiring Configuration using 490-95, CB12, 789-44, 781RG and multiple 286M’s
5. If a local Emitter is needed on the CB12, you will need to place a 470 Ohm Resistor in Series with the Signal
Output on the CB12. To Wire in this fashion:
a. Cut a standard Mouse Emitter (282M or 283M) approximately 12inches from the 3.5mm Mono Mini Jack.
You will now have 2 cables; one with a 3.5mm Mono Mini Jack and one with the Mouse Emitter.
b. Wire the 2 leads of the Mono Mini Jack side to a terminal Strip.
c. On the Terminal Strip, opposite the lead with the White Stripe (Signal) connect one side of the 470 Ohm
Resistor.
d. Wire the other side of the resistor to the lead with the White Stripe on the Mouse Emitter.
e. Connect the Black Wire of the Mouse Emitter to the Terminal Strip opposite the Black Wire (GND) from
the 3.5mm Mono Mini Jack.
This will keep the proper load balance and prevent miscommunication with the Emitters on the 789-44 CB.
3.5MM MINI PLUG PINOUT
There might be times when the 490-95 needs to be wired directly to a Terminal Block. In that case you will need to cut off
the 3.5mm jack and wire according to Table 1.
Table 1 - 490-95 Connector Pin-Out
PLUG
CABLE LEADS CIRCUIT ITEM
TIP
WHITE
BLACK
RED
IR OUT
GROUND
+12V
RING
SLEEVE
CAUTION: With any of these systems, be sure the 781-RG Power Supply is plugged into an un-switched AC outlet. This
maintains the 490 system in "stand-by" operation so that power-on commands can be sent to the controlled equipment.
XANTECH CORPORATION
13100 Telfair Avenue, Sylmar CA 91342-3829
phone 818.362.0353 • fax 818.362.9506
Part No. 08901485 Rev A 07-22-04
© 2004 Xantech Corporation
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