CV-87R
IR over CAT5 Extender
User Manual
Made in Taiwan
Safety and Notice
The CV-87R IR over CAT5 Extender has been tested for conformance to safety regulations and requirements,
and has been certified for international use. However, like all electronic equipments, the CV-87R should be used
with care. Please read and follow the safety instructions to protect yourself from possible injury and to minimize
the risk of damage to the unit.
z Follow all instructions and warnings marked on this unit.
z Do not attempt to service this unit yourself, except where explained in this manual.
z Provide proper ventilation and air circulation and do not use near water.
z Keep objects that might damage the device and assure that the placement of this unit is on a stable surface.
z Use only the power adapter and power cords and connection cables designed for this unit.
z Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device before
cleaning.
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The CV-87R IR over CAT5 Extender boosts up your IR control distance at least 100m (330ft). With single
cost effective CAT-5 cable, users can readily extend and duplicate IR access to IR controllable devices such as
Blue-ray disc players and TV to increase application flexibility. Typical applications include digital signage,
education and demonstration system, and home theater. CV-87R includes two units: transmitting (CV-87R [Tx])
and receiving (CV-87R [Rx]) units. With single 5V power supply, CV-87R can support +12V IR extension cables*.
ntroduction
Dependent upon model
*
Features
z Support full bandwidth of IR signal, 20KHz ~ 60KHz
z Built-in IR splitter on TX and RX unit
z Bi-directional IR path
z Super long extension distance
z Single power supply on either TX or RX unit
z Easy to install
z Wall mounting housing design for easy and robust installation
The length depends on the characteristics and quality of the cables. Higher resolutions and longer
transmission distances require low skew cables (<25ns/100m) for best performance. Unshielded CAT6
with metal RJ-45 connectors is recommended.
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Specifications & Package Contents
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Model Name CV-87R
Technical
Role of usage Transmitter and Splitter
IR bandwidth 20 ~ 60 KHz
ESD protection
Input 1x 3.5mm 1x RJ-45 + 1 x 3.5mm
Output 1x RJ-45 + 2x 3.5mm 2 x 3.5mm
RJ-45 connector WE/SS 8P8C with 2 LED indicators
3.5mm connector Earphone jack for IR Transmitter or Receiver cable
IR remote control
Mechanical
Housing Metal enclosure
Dimensions
(L x W x H)
Weight
Fixedness Wall-mounting case with screws upon request
Power supply
Power consumption 1 Watts [max]
Operation temperature
Storage temperature
Relative humidity 20~90% RH [no condensation]
Package Contents
Model [TX/RX] 75 x 55 x 25mm [3.0”x2.2”x1”]
Package 270 x 175 x 80mm [10.6” x 6.9” x 3.1”]
Carton 450 x 370 x 300mm [1’6” x 1’3” x 1’]
Model 270g [9.5oz]
Package 670g [1.5 lbs]
Human body model
& ±12kV [contact discharge]
Electro-optical characteristics: τ = 25°
Carrier frequency: 20-60kHz
X RX
1x 5V 2A interlocked wall wart power adapter
eceiver and Splitter
±19kV [air-gap discharge]
nter-locked 5V 2A DC
0~40°C [32~104°F]
-20~60°C [-4~140°F]
1x CV-87R
1x User Manual
In fact, there is no difference between TX and RX. Therefore customer can take any as TX or RX without
any limitation.
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CV-87R-TX/RX Front Panel
Panel Descriptions
1. IR receiver: Connect to a IR receiver cable
2. IR local output1: Connect to a IR transmitter cable
3. IR local output2: Connect to a IR transmitter cable
4. +5V power input: Connect to the +5V power adaptor
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CV-87R-TX/RX Rear Panel
5. RJ-45 output: Plug in a CAT-5/5e/6 cable that needs to be linked to the RJ-45 connector of the RX unit.
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1. Connect the IR receiver cables to both TX and RX units.
2. Connect the IR transmitter cables to both TX and RX units.
3. Connect one Cat-5/5e/6 cable between TX and RX unit.
4. Make sure your Cat-5/5e/6 cables are tightly connected and not loose.
5. Plug the +5V power supply to the power jack on either TX or RX unit.
Hardware Installation
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1. There are 2 models for CV-87R: +5V and +12V types. Different IR cables come along with different model and
can NOT be mixed. Any misuse can damage IR cables permanently.
2. The transmission length is largely affected by the type of Cat-5/5e/6 cables. The testing result shows solid
UTP cables (usually in bulk cable 300m/1000ft form) can transmit a lot longer signals than stranded UTP
cables (usually in patch cord form). Shielded STP cables are better suited than unshielded UTP cables. A solid
UTP Cat-5e cable shows longer transmission range than stranded STP Cat-6 cable. For long extension
applications, solid UTP/STP cables are the only viable choice.
3. EIA/TIA-568-B termination (T568B) for LAN cables is recommended for better performance.
4. To reduce the interference among the unshielded twisted pairs of wires in Cat-5/5e/6 cable, one can use
shielded STP cables to improve EMI problems, which is worsen in long transmission.
5. Because the quality of the Cat-5/5e/6 cables has the major effect on how long the transmission limit can
achieve and how good is the received picture quality, the actual transmission range is subject to one’s choice
of Cat-5/5e/6 cables.
Notice
Performance Guide for HDMI over CAT5/6 Cable Transmission
Performance rating Type of CAT5/6 cable
Wiring Shielding CAT5 CAT5e CAT6
Solid
Stranded
Unshielded (UTP)
Shielded (STP)
Unshielded (UTP)
Shielded (STP)
Termination Please use EIA/TIA-568-B termination (T568B) at any time
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The SELLER warrants the CV-87R IR over CAT5 Extender to be free from defects in the material and
workmanship for 1 year from the date of purchase from the SELLER or an authorized dealer. Should this product
fail to be in good working order within 1 year warranty period, The SELLER, at its option, repair or replace the unit,
provided that the unit has not been subjected to accident, disaster, abuse or any unauthorized modifications
including static discharge and power surge. This warranty is offered by the SELLER for its BUYER with direct
transaction only. This warranty is void if the warranty seal on the metal housing is broken.
Unit that fails under conditions other than those covered will be repaired at the current price of parts and
labor in effect at the time of repair. Such repairs are warranted for 90 days from the day of reshipment to the
BUYER. If the unit is delivered by mail, customers agree to insure the unit or assume the risk of loss or damage in
transit. Under no circumstances will a unit be accepted without a return authorization number.
The warranty is in lieu of all other warranties expressed or implied, including without limitations, any other
implied warranty or fitness or merchantability for any particular purpose, all of which are expressly disclaimed.
Proof of sale may be required in order to claim warranty. Customers outside Taiwan are responsible for
shipping charges to and from the SELLER. Cables and power adapters are limited to a 30 day warranty and must
be free from any markings, scratches, and neatly coiled.
Limited Warranty
The content of this manual has been carefully checked and is believed to be accurate. However, The SELLER
assumes no responsibility for any inaccuracies that may be contained in this manual. The SELLER will NOT be
liable for direct, indirect, incidental, special, or consequential damages resulting from any defect or omission in
this manual, even if advised of the possibility of such damages. Also, the technical information contained herein
regarding the CV-87R features and specifications is subject to change without further notice.
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