MTX Audio A-BUS HUB1X2 User's Manual
Contents
1. Comparison of an A BUS Input against a standard RJ 45 Socket PRODUCT INSTALLATION NOTES e All A BUS RJ 45 connectors are wires to the 568A standard e The colour code order of punchdown connectors may vary eStandard CAT5 patch leads may be used e The infrared system will relay 38kHz and 56 kHz commands IMPORTANT Substitute power supplies are not recommended Pre Wiring All cabling between the A BUS READY amplifier interface module dis tribution hubs and power modules should be category 5 cable or better The recom mended maximum cable run is 100 feet 30m Speaker wire should be run from the power module point to the speaker points however it is recommended that the cat egory 5 by extended to the speaker points as well to allow for the installation of an A BUS direct speaker system which has the power module incorporated in the speaker A BUS power modules will accept up to 14 gauge cable It is recommended to extend the category 5 cable past the power modules to the speaker points for future require ments It is recommended that all category 5 cables at the hub end be terminated with wall mounted RJ 45 sockets with standard 568A patch leads between the wall socket and the hub Before installing the category 5 cables check for Local Input Module requirements Eg in the case of a local TV the CAT5 cable should be run past the room s antenna connection point A 12 taped loop of cable for access is recommended The sam2. LED flashes when in use Outputs A BUS ports 4 RJ 45 Dimensions 2 8 70Mm D x 4 2 107Mm H x 1 7 44mm W IR 4 x 2 5mm TRS jacks Expansion RJ 45 ABUS HUB1X4 Wiring format 568A Dimensions ABUS HUB1X4 3 3 83mm D x 1 2 30mmH x 7 25 184mm W LOCAL SOURCE INPUT MODULE ABUS LS1RJ Auto turn on when local audio signal is sensed Auto return 30 seconds after audio ceases Inputs Local Audio RCA phone jacks 1pr ABUS HUB1X2 From Hub Cats RJ 45 2 4 61mm D x 1 2 30mMm H x 5 3 135mMm W Output 10y PONE moe eae Power Supply APS 40 ABUS HUB1X4 120 240VAC 50 60Hz 4A Dimensions 1 8 25mm D x 4 2 107mm H x 1 7 44mm W APS 23 ABUS HUB1X2 120 240VAC 50 60Hz 2 3A CABLE REQUIREMENTS Interface VC power module to HUB use Category 5 or equivalent VC power module to speakers up to 14 gauge recommended A BUS by MTX AUDIO products purchased in the United States from an authorized MTX dealer are guaranteed against defects in material and workmanship for a period of two years from the date pur chased by the end user and limited to the original retail purchaser of the product Product found to be defective during that period will be repaired or replaced by MTX at no charge This warranty is void if it is determined that unauthorized parties have attempted repairs or alterations of any nature Warranty does not extend to cosmetics or finish Before presuming a defect is present in the product be certain that all related e
3. A BUS Installation Instructions ABUS Welcome to A BUS Multi Room Audio When combined with our source equipment receiver CD player etc and speakers A BUS creates a versatile whole house au dio system that will fill your home with high quality music for years to come A BUS SYSTEM OVERVIEW A BUS Hub ABUS HUB1X2 ABUS HUB1X4 The A BUS hub is the core of the system distributing audio signal system power and status indication to A BUS power modules installed in rooms throughout the home and sends IR commands from the power modules back to the source components It is usually located near the main sound system Amplifier Receiver CD DVD Tape Cable etc They typically have two or more zone outputs with expansions ports IN OUT so multiple hubs can be connected to tailor the system to individual requirements eAudio input from the main amplifier s tape output or second zone output e4 Infrared IR outputs to remote controllable source components and the main ampli fier to allow for input selection Dual emitters may be used ePower supply for system power supplied Should not to be connected to the ampli fiers switched output eStatus optional see below eZone outputs to go to A BUS volume control power modules eExpansion ports to add additional zones A BUS HUB1X4 eOUT Connects to additional hubs to add more zones or rooms Each hub requires its own power supply elIN connects to the direct in
4. M provides local input capability for sources such as TV sound MP3 player computer sound cards etc located in the zone The LIM automatically switches to the local input when a local source is detected 30 seconds after the local source ceases the LIM automatically reverts to the main input source The LIM is easy to install Note Care should be taken during pre wire to run the category 5 cable from the hub to the power module via the LIM installation point if this facility is to be made available This is often a forgotten requirement e g In the case of local TV the category 5 cable should be run past the room s aerial point A BUS COMPATIBILITY This product complies with the A BUS format The A BUS format has been adopted by other manufacturers who make variety of products that can give your system added flexibility When looking to expand and or upgrade your home entertainment system be sure to look for products that carry the A BUS trademark RJ45 Ethernet vs ABUS RJ 45 Socket A BUS Socket Pin Signal Function 24v ve Signal Function NC Not Connected Brown NC Not Connected Brown amp White Ground RX Receive ve Orange Right Channel NC Not Connected Blue amp White Status Not Connected Blue Signal Receive ve Orange amp White Ground Transmit ve Green Left Channel Transmit ve Green amp White Ground
5. e could be applied to a point in a child s room next to a desk where a computer or MP3 player may be located IMPORTANT These instructions contain directions for installers of A BUS systems The manufacturer or its agents shall not be liable to any person or entity for loss or damage including consequential loss or damage arising out of any error or fault in the installation of the A BUS system or any of its components parts IMPORTANT INSTALLATION GUIDELINES Before installation review the manuals included with each component in your system If you are unsure of any of the installation procedures it is recommended that you contact your dealer or a professional electronics installer During installation do not connect power to the hub Before powering up the system make sure all volume levels are on minimum level Note before installing the power modules into the walls be sure to adjust the trim pots after all modules have been connected The power modules should be installed into standard UL CSA approved electrical J Boxes 21A8328 SETUP The A BUS installation should be completed with all power modules connected but not installed into the walls Follow these steps to give you maximum control flexibility over the volume of your A BUS system On the back of the power modules there are trim pots Left amp Right that fine tune the output level to compensate for the length of the cable run the efficiency of the speakers and size of th
6. e room There are also situations where you may want to limit the output level in a particular room With the trim pots adjusted to minimum the main volume control should be adjusted to maximum level then with popular music playing the trim pots should be brought up to a point just below the amplifier s clipping level Clipping is the point where the sound starts to distort When the trim pots are all set to the desired level the installation maybe completed A BUS READY STANDARD SYSTEM R SOURCE1 SOURCE1 IR SPEAKER INFRARED IR I RIGHT SPEAKER TO ADDITIONAL HUBS LOCAL INPUT MODULE VOLUME CONTROL MODULE CABLE O E W O O SPEAKER CABLE Q t LINE LEVEL AUDIO LINE LEVEL AUDIO 24V POWER 12V POWER INFRARED OUT EXPANSION IN R AUDIO L POWER STATUS 2 T s E M EN aie eee TRIM POTS EE ABUS a2 o A BUS OUTPUTS IREMITTERS 2 6 T F pees FAULT FINDING eMost faults occur as a result of incorrect wiring RJ 45 Connection Details eCheck all connections carefully Connection shown RJ 45 using T568A Wiring Standard eMake sure all speakers are wired in phase BUR cin cn ike bottom 12 34 56 eDisconnect power modules from hub and check operation one by one eA short in a line or incorrect wiring will cause the power module to shutdown until the fault is fixed eSta
7. infrared data connection Some A BUS READY amplifiers can power one power module independently while others require a separate power supply The A BUS READY jack may also be con nected to the Expansion Input of an A BUS hub to enable multiple zones IMPORTANT When purchasing a new amplifier or home theater receiver look for the A BUS READY logo on the front That means a simple RJ 45 connection on the back immediately connects you to the whole house system as long as the house is wired for A BUS Power Status There are several ways to activate an A BUS system When not in operation the A BUS system is in standby mode It is activated by eAutomatic Signal Sensing Default The Hub automatically detects when audio sig nal is present and activates the A BUS system 30 seconds after the audio signal ends the system returns to standby eMain System Sensing Preferred A BUS also activates automatically when the main sound system is switched on including source components A 12 volt 100 300 amp power pack should be plugged between the main amplifier s switched power outlet and the hub s Status input eA BUS READY The hub can be directly connected to an A BUS READY amplifier via the Expansion Input port The A BUS system automatically powers up when the A BUS READY amplifier is switched on This may be done via remote control from any room Note The hub power supply is still required A BUS Local Source Input Module ABUS LS1RJ The LI
8. put of an A BUS READY amplifier or connects to an A BUS input selector eLocal infrared input xantech compatible to relay IR commands if the main system amplifier is concealed single zone amplifiers only A BUS Volume Control Power Modules ABUS VC2RJ A BUS volume control power modules are stereo amplifiers with level control that power a pair of speakers in each room Only one category 5 cable is required between the hub and the power module Speaker cable is run from the power module to the speakers except when the A BUS power module is located on the speaker itself Standard rotary A BUS power modules do not include infrared repeating IR equipped modules relay 38KHz and 56 KHz codes to the source components for input track channel selection etc They also include infrared talkback and status indication An LED indicator indicates when the A BUS system is on See Power Status below and it flashes signifying an infrared command has been received The volume level on touch button A BUS modules can also be operated by the ARC 40 remote control handset supplied with ABUS VC2R4J The IR repeater system is always active regardless of system status Audio IR Data and Status Connections A BUS READY amplifiers are equipped with an RJ 45 A BUS output socket enabling direct connection to either a single A BUS Volume Control power module for one extra zone or to an A BUS hub for multiple zones The A BUS READY outlet supplies audio status and
9. quipment and wiring is functioning properly MTX disclaims any liability for other incurred damages resulting from product defects Any expenses incurred in the removal and reinstallation of products are not covered by this warranty MTX s total liability will not exceed the purchase price of the product If a defect is present your authorized MTX dealer may be able to effect repairs Proof of purchase is required when requesting service so please retain your sales receipt and take a moment to register your product online at mtx com
10. tus indicates the system is active LED indicator on infrared models only GREEN BLUE ORANGE BROWN Infrared Your A BUS infrared relay system is world standard using the most up to date technology However some infrared codes may present problems Make sure the infrared emitters are properly placed on the IR receiver of the source components Infrared systems are more likely to give trouble as a result of too much power Try moving the emitter away from the component Cable boxes and Plasma screens often cause difficulties FEATURES AND SPECIFICATIONS GREEN WHITE BLUE WHITE BROWN WHITE ORANGE WHITE VOLUME CONTROL POWER MODULES ABUS VC2RJ REMOTE CONTROL ABR 40 Speakers Drives 1 pair of speakers 4 8 ohms A BUS miniature remote control included with ABUS VC2RJ Control Touch button up and down Inputs Buttons Up Down Remote controllable volume level Zone 1 4 off All off Remote control included Battery 3VDC Lithium CR2024 Wall Plate Designed to fit Decora style wall plates Dimensions 3 4 86mm H x 1 3 33mm W x 0 3 6 83mm D Terminals Input CAT5 RJ 45 Output setscrew terminal up to HUBS ABUS HUB1X2 ABUS HUB1X4 14ga Inputs Audio RCA phone jacks 1pr IR 38kHz and 56kHz Power 2 5mm DC v center Nominal range in sunlight lt 15ft 5m Indoors gt 60ft 20m Status 2 1mm DC v center Status System ON indicated by LED Expansion RJ 45 ABUS HUB1X4 Talkback
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