Xantech Troubleshooting, Specifications, MRKP2 basic dimensions and cable lengths

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5. Troubleshooting

Symptom

Possible Cause

Solution

 

 

Verify wiring pin-out and RJ-

 

1. RJ-45 plug crimped

45 crimp. Correct by re-

 

crimping RJ-45 to CAT-5

 

incorrectly; or wiring pin-

 

cable.

 

out of RJ-45 reversed.

 

 

 

2. Break or intermittent

Check RJ-45 to RJ-45

MRKP2 does not power

connections with cable tester

connection in CAT-5

up or resets itself

or voltmeter. +12V terminal

between Zone and “Head-

randomly

on back of MRKP2 should

End”.

 

read +9V DC or higher with

 

 

 

3. CAT5 cable length

the keypad on.

 

 

 

exceeds specification, or

Use MRC44CB1 and

 

more than one keypad is

 

782ERGPS 12V High Current

 

used in a zone.

 

AC Adaptor at keypad side,

 

 

 

 

prior to the first keypad.

The Next button on

Protect switch on

 

touchscreen or any

MX88/MRC88m is left in

Return the Protect switch to

other virtual button in

Off position. Protect Off

On position and reset the

top right corner of the

setting is only to be used

MX88/MRC88m system

screen is not

during the QuickConfig

 

operational

setup.

 

 

 

 

 

1. Wiring: Incorrect wiring

Verify and correct wiring.

 

between MRKP2 and

 

 

 

MRC88m.

 

No control of IR

2. IR emitter defective at

Replace IR emitter.

sources

source.

 

 

3. IR Enable jumper is set

Make sure IR Sensor Enable

 

jumper is properly configured.

 

incorrectly

 

(See Section 3 and Figure

 

 

 

 

3.1)

 

 

Check to see if ambient light

 

 

is shining on built in IR

6. Specifications

MRKP2 basic dimensions and cable lengths

Front panel dimensions

4-1/2” (114mm) wide x 4-5/8” (117mm) high x 1/4”

(6mm) deep

 

 

 

Wall cutout

Depends on electrical back-box used – see below

 

 

Mounting depth

2-1/4” (57mm) for unit and wiring – actual

mounting depth will depend on electrical back-box

 

used

Max length Cat-5

250 feet (75 meters) total per zone* If this

distance is exceeded, a MRC44CB1 and

Cable* with 1 keypad

782ERGPS should be placed right before the

per zone

keypad.

 

 

Must use MRC44CB1 connecting block and

Max length Cat-5

782ERGPS 12V High Current AC adaptor at

and before the first keypad. After the first

cable* with 1 keypad

keypad, each time a cable run exceeds 250

and 1, 2, or 3

feet (75 meters) total, another MRC44CB1

expansion keypads

and 782ERGPS will need to be added before

 

 

the next keypad.

Operating Temperature

32-104°F (0-40° C)

& Humidity

0-90% Relative Humidity

 

 

 

 

Compatible Electrical back-boxes

 

 

North American

Carlon® BH235A, B232A-UPC, B225R-UPC,

standard two gang

or BH234R

electrical back boxes

 

 

 

* CAT5/5e/6/7 may be used. Cable quality may reduce this maximum length.

 

 

receiver or in direct line with

 

 

plasma TV noise. If the IR

Intermittent IR source

IR flooding

emitter is flashing when IR is

control

not being sent, IR flooding is

 

 

 

likely cause. Disable the built-

 

 

in IR Receiver. Consider use

 

 

of an external IR Receiver

 

 

(see Fig 2.2 and 3.2).

 

 

 

 

 

 

Extending external IR receiver connection with 3-wire cable

Size (AWG)

Maximum allowable

length (feet)

 

24

150

22

300

20

1000

18

2000

Extending external IR receiver connection

with Cat-5 cable using all 8

conductors

Use 4 striped wires for GND

Use 2 solid wires for IR signal

Use 2 solid wires for +12V

18

19

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Page 9 Page 11
Contents Installation Instructions Safety InformationOperating Temperatures & Environments Introduction MRKP2 FeaturesMRKP2 Accessories Definitions ZoneSystem Design Overview/Applications Cat MRKP2 Rear Connectors InstallationInternal IR Receiver ConnectionsMRKP2 to MX88 and Expansion Keypads Compatible Handheld remotesQuickConfig Set-up menu MRKP2 SetupInitial Power-up Backlight Settings See Fig Installer Settings See FigOther reference documentation MRKP2 basic dimensions and cable lengths TroubleshootingSpecifications With Cat-5 cable using all ConductorsPage Xantech Limited Warranty

MRKP2 specifications

The Xantech MRKP2 is a state-of-the-art multi-channel audio distribution system designed to enhance both residential and commercial audio systems. This innovative product stands out due to its impressive array of features, advanced technologies, and user-friendly characteristics that cater to the needs of audiophiles and casual listeners alike.

At the core of the MRKP2's functionality is its ability to distribute high-quality audio across multiple zones. With support for up to eight individual zones, users can enjoy synchronized audio or personalize listening experiences in different areas of the home or office. The system accommodates various audio sources, ensuring flexibility and convenience in playback options. Whether it’s streaming music, playing CDs, or connecting through various digital inputs, the MRKP2 supports it all, providing endless entertainment possibilities.

One of the key features of the Xantech MRKP2 is its compatibility with both traditional wired connections and modern wireless technologies. This dual functionality allows users to integrate the system seamlessly with existing setups. The MRKP2 also incorporates built-in power amplifiers, each capable of delivering high-quality sound without the need for additional equipment, streamlining installation and reducing clutter.

Control of the MRKP2 is intuitive, thanks to its user-friendly interface. The device can be managed via physical keypads distributed throughout the zones, or remotely using smartphone applications, enabling users to adjust settings effortlessly. Additionally, the MRKP2 is compatible with popular home automation systems, allowing for integrated control through a central hub.

The MRKP2’s audio quality is underpinned by advanced digital signal processing (DSP) technology. This ensures that sound is not only distributed efficiently but also remains true to its original quality. The system features multiple EQ settings, giving users the ability to customize their audio experience according to their preferences and room acoustics.

In terms of reliability, the Xantech MRKP2 is designed to endure. Constructed with high-quality materials and advanced engineering techniques, it promises longevity and robust performance under various conditions. Its compact design allows for easy integration into different environments without occupying excessive space.

Overall, the Xantech MRKP2 is an exemplary choice for anyone looking to upgrade their audio distribution system. Its combination of zoned audio flexibility, cutting-edge technology, and user-centric features make it a remarkable solution for modern audio needs, ensuring that every space can be turned into an immersive listening environment.
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