Specifications
Specifications subject to change without notice.
Maximum Distance* 2,500 feet
Bandwidth 20 Hz to 20 kHz
Impedance 600 ohms, balanced
Isolation 500 V
Nominal Level 1.0 volts
Insertion Loss 1 dB
Common Mode Rejection Greater than 40 dB
Unshielded Twisted Pair Maximum capacitance: 20 pf/foot
Cabling Specifications Impedance: 100 ohms @ 1 MHz
(24 gauge or lower solid Attenuation: 6.6 dB/1000 ft. @ 1 MHz
copper) Cat 3, Cat 5, Cat 5e, Cat 6, Cat 7 compatible
Connectors Four (4) female RCA to one (1) RJ45
RJ45 Pinout Channel 1 (L): 4 & 5, pair 1
Channel 1 (R): 1 & 2, pair 2
Channel 2 (L): 3 & 6, pair 3
Channel 2 (R): 7 & 8, pair 4
Temperature Operating: 32 to 131 F (0 to 55 C)
Storage: -4 to 185 F (-20 to 85 C)
Humidity: up to 95%
Enclosure Front: standard decora-style wallplate
Rear: metal
Dimensions 4.0” x 1.4” x 1.7”
Weight 0.2 lbs (3.2 oz.)
Ordering Information AVO-A4-WP: single AVO-A4-WP balun in bulk packaging
Warranty 2 years
* Distances and picture quality may be affected by cable grade, cable quality, source and
destination equipment, RF and electrical interference, and cable patches. Intelix specifications are
based on straight-through cabling with standard-grade Cat 5.
Contact Information
Intelix
2222 Pleasant View Road
Middleton, WI 53562
Toll-free: 866-4-MATMIX
Phone: 608-831-0880
Fax: 608-831-1833
www.intelix.com
AvoCat
Series
Intelix AVO-A4-WP Stereo Audio Balun
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The Intelix AVO-A4-WP wallplate balun transmits four mono or two stereo analog
audio signals via standard structured cabling, such as Cat 5. Used in pairs or with
the Intelix AVO-A4 rack-mountable balun, the AVO-A4-WP transmit analog audio
in either direction up to 2,500 feet and is ideal for corporate A/V, churches, schools,
auditoriums, and almost any other situation involving audio distribution.
The Intelix AvoCat Series of baluns is the ideal solution for sending audio and
video over structured cabling. When signal quality matters, choose Intelix.
Installation
Caution: Do not attempt to disassemble or alter the balun housing. There are
To install an AVO-A2-WP balun, perform the following steps:
1. Turn off power and disconnect the audio equipment by following the
manufacturer’s instructions.
2. Make certain that outlets and cross connects to which you will connect the AVOA4-WP are configured properly and labeled appropriately to identify the circuit.
Caution: Do not connect the AVO-A4-WP to a telecommunication outlet
3. Verify the desired twisted pairs are not being used for other LAN or telephony
equipment.
4. Connect the RCA outputs from the source equipment to the AVO-A4-WP.
Connect the RCA inputs from the receive device to a second AVO-A4-WP or
another compatible Intelix balun, such as the AVO-A4.
Caution: Do not mount the balun over equipment ventilation openings.
5. Connect the two baluns with a structured cable with RJ45 connectors, such as
Cat 5. Verify the cable’s pinout conforms to EIA/TIA 568A or 568B pattern
standards.
6. Power on the source and destination equipment and test for correct operation.
no user-serviceable parts inside the AVO-A4-WP. Modifying the unit
will void your warranty.
wired to unrelated equipment. Making such a connection may damage
the equipment and/or balun. Please ensure all wiring is “straightthrough.”
Covering the openings may cause the equipment to overheat.
Troubleshooting
If your equipment malfunctions with AVO-A4-WP baluns in place, follow the troubleshooting procedures below:
How do I crimp an unshielded RJ45 connector onto Cat 5?
Crimping an RJ45 connector onto Cat 5 is a fairly straight forward task, assuming you have
the proper tools. Keep in mind that baluns require either the EIA/TIA 568A or 568B crimp
pattern, which are the industry standards for networking.
1. Perform diagnostics on your audio equipment by following the manufacturer’s
instructions.
2. Check all the connections and the structured cabling system. Verify the RJ45 crimp
pattern conforms to either EIA/TIA 568A or 568B standards.
3. Check the pin configuration of the structured cable.
4. The maximum operational distances over which the AVO-A4-WP can be
transmitted is dependant on the equipment used and cable. Ensure that the
maximum recommended operational distances have not been exceeded.
5. Check that only twisted pair patch cords are being used.
6. Replace the AVO-A4-WP balun with another AVO-A4-WP that is known to be
working.
7. If you still cannot diagnose the problem, contact Intelix for support.
Frequently Asked Questions
How do I expose the individual pairs in Cat 5 cabling?
There is no single method when exposing the four
individual pairs in twisted pair cabling, such as Cat 5
and Cat 6; however, it does help to have a cable
stripping tool designed to strip the cable jacket/
insulation.
Begin by stripping back the cable’s outer jacket/
insulation about an inch (or more depending on
whether multiple baluns will be connected to the pairs
of a single cable) so that the internal wires are exposed.
Be careful not to cut the internal wires when stripping
the insulation/jacket. Eight twisted wires and a string
should now be visible; the string is unnecessary and
may be removed. These eight wires, which when
combined form four pairs, connect directly to the
baluns. Typical protocol pairs similar colors; the
important thing is to verify the same color-coded pairs
are used on each end.
1. First, strip a portion of the insulation about 3/4" to expose the four twisted pairs.
2. Next, untwist the wires and fan them out so that they match either EIA/TIA 568A or
568B pattern.
3. Evenly trim the wires to about 1/2". Most RJ45 crimp tools feature a built-in wire
trimmer.
4. Insert the trimmed wires into the RJ45 connector so that each wire is in its individual
slot. Verify each wire is completely inserted.
5. Finally, insert the RJ45 connector into the crimp tool and squeeze firmly.
6. Repeat the above steps on the other end of the Cat 5 cable and verify pinout is iden-
tical on each end.
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