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KRAMER:  SIMPLE CREATIVE TECHNOLOGY

 

Overview 

 

3  Overview 

The Kramer 

WP-121

 wall plate is a line transmitter that accepts a UXGA video 

and an unbalanced stereo audio signal, encodes them to a TP (Twisted Pair) signal 

and transmits the TP signal to a compatible TP receiver

1

The 

WP-121 

XGA/Unbalanced Stereo Audio Line Transmitter

 features: 

 

 

HDTV compatibility—up to 1080p 

 

The option to use either

2

 

Kramer Power Connect™ 

 a 9-pin terminal block or RJ-45 output TP connector 

 

EDID Capture—copies and stores the EDID from a display device 

 

12V DC power supply 

3.1  About the Kramer Power Connect™ Feature 

The Power Connect feature applies as long as the cable can carry power. This 

feature is available when using STP cable and the distance does not exceed 50m on 

standard CAT 5 cable. For longer distances, heavy gauge cable should be used 

(CAT 5 cable is still suitable for the video/audio transmission, but not for feeding 

the power at these distances). 
For a CAT 5 cable exceeding a distance of 50m, separate power supplies should be 

connected to the transmitter and to the receiver simultaneously. 

3.2 Shielded Twisted Pair/Unshielded Twisted Pair 

We recommend that you use Shielded Twisted Pair (STP) cable. There are 

different levels of STP cable available, and we advise you to use the best quality 

STP cable that you can afford. Our non-skew-free cable, Kramer 

BC-STP

 is 

intended for analog signals where skewing is not an issue. For cases where there is 

skewing, our UTP skew free cable, Kramer 

BC-XTP

, may be used. Bear in mind 

though, that we advise using STP cables where possible, since the compliance to 

electromagnetic interference was tested using those cables. 
Although Unshielded Twisted Pair (UTP) cable might be preferred for long range 

applications, the UTP cable should be installed far away from electric cables, 

motors and so on, which are prone to create electrical interference.  
However, since the use of UTP cable might cause inconformity to electromagnetic 

standards, Kramer does not commit to meeting the standard with UTP cable. 

                                                       

 

1 For example, the Kramer TP-122 or TP-122-od  
2 Only one can be connected at a time to a TP receiver. Connecting both simultaneously results in neither operating  

Содержание WP-121

Страница 1: ...Kramer Electronics Ltd USER MANUAL Model WP 121 XGA Unbalanced Stereo Audio Line Transmitter ...

Страница 2: ...ctor 8 6 Capturing the EDID 9 6 1 Capturing the EDID from a Display Device 9 6 2 Setting a Preconfigured EDID 10 7 Technical Specifications 11 Figures Figure 1 WP 121 Front Panel 4 Figure 2 WP 121 Rear Panel 4 Figure 3 WP 121 80 86mm Front Panel 5 Figure 4 WP 121 80 86mm Rear Panel 5 Figure 5 Installing and Connecting the WP 121 6 Figure 6 WP 121 Grounding Components 7 Figure 7 TP Connector 8 Figu...

Страница 3: ...tems WP 121 XGA Unbalanced Stereo Audio Line Transmitter A 12V DC power supply This user manual2 Note All references to WP 121 in this manual refer to the US version 69mm as well as to the WP 121 80mm and WP 121 86mm European versions 2 Getting Started We recommend that you Unpack the equipment carefully and save the original box and packaging materials for possible future shipment Review the cont...

Страница 4: ...ate power supplies should be connected to the transmitter and to the receiver simultaneously 3 2 Shielded Twisted Pair Unshielded Twisted Pair We recommend that you use Shielded Twisted Pair STP cable There are different levels of STP cable available and we advise you to use the best quality STP cable that you can afford Our non skew free cable Kramer BC STP is intended for analog signals where sk...

Страница 5: ...he output The WP 121 is supplied with a default EDID but it can also store and recall EDID data in non volatile memory allowing convenient and reliable connection to the source 3 4 Recommendations for Achieving the Best Performance Achieving the best performance means Utilizing only good quality connection cables thus avoiding interference deterioration in signal quality due to poor matching and e...

Страница 6: ...ures Feature Function 1 AUDIO IN 3 5mm Mini Jack Connect to an unbalanced stereo audio source 2 PC IN XGA 15 Pin HD F Connector Connect to the XGA source 3 ON LED Lights red when receiving power lights green when receiving a signal from a video source Feature Function 4 12V PIN Power Removable Terminal Block Connect to the positive of the power adapter GND PIN Connect to the negative of the power ...

Страница 7: ...Defining the WP 121 XGA Unbalanced Stereo Audio Line Transmitter 5 Figure 3 WP 121 80 86mm Front Panel Figure 4 WP 121 80 86mm Rear Panel ...

Страница 8: ...put of the WP 121 to the pre installed STP wiring in the wall box opening that connects to the TP receiver or RJ 45 line output of the WP 121 to the pre installed STP wiring in the wall box opening that connects to the TP receiver 2 Recommended ground the wall plate see Section 5 3 3 Connect the 12V DC power supply to the power terminal block1 4 Insert the WP 121 into the wall box opening and secu...

Страница 9: ...ing Screw Descriptions Item 1 M3x6 Screw 2 M3 Toothed lock washers 3 M3 Ring tongue terminal Figure 6 WP 121 Grounding Components The grounding screw is used to earth the chassis of the unit to the ground of the building thus preventing static electricity from interfering with the product s performance To connect the grounding to the WP 121 as illustrated in Figure 6 1 Crimp the ring tongue termin...

Страница 10: ... White 6 Orange 6 Green 7 Brown White 7 Brown White 8 Brown 8 Brown Pair 1 4 and 5 Pair 1 4 and 5 Pair 2 3 and 6 Pair 2 1 and 2 Pair 3 1 and 2 Pair 3 3 and 6 Pair 4 7 and 8 Pair 4 7 and 8 5 4 2 Wiring the 9 Pin Terminal Block Line Output Connector The 9 pin terminal block is a plug in connector for attaching the STP cable Follow the colors of the color coded sticker on these terminals for proper c...

Страница 11: ...DID Status LED Flashes slowly when capturing a valid display EDID Lights solid when EDID has been successfully captured Flashes rapidly when setting a preconfigured EDID 6 1 Capturing the EDID from a Display Device To capture the EDID from a display device 1 Using a Philips screwdriver remove the four screws holding the faceplate to the PCB assembly 2 Using a short cable1 3 Ensure that the rotary ...

Страница 12: ...see Figure 9 to the required position as defined in Table 6 3 Connect the 12V DC power adapter to the power terminal block see Figure 2 on the WP 121 and connect the adapter to the mains electricity 4 Press the EDID CAPTURE button see Figure 9 The EDID status LED flashes rapidly several times The new EDID is captured when the LED stops flashing and lights solid 5 Unplug the power adapter from the ...

Страница 13: ...EL Video 2Vpp Audio 2 8Vpp RESOLUTION Up to UXGA 1080p AUDIO BANDWIDTH 18KHz DIFF GAIN 1 8 DIFF PHASE 0 3 Deg K FACTOR 0 05 S N RATIO Video 60dB 5MHz Audio 71dB 1KHz COUPLING Video AC Audio AC AUDIO THD NOISE 0 07 AUDIO 2nd HARMONIC 0 001 POWER SOURCE 12V DC 340mA feeding a TP 112 or TP 122 od receiver OPERATING TEMPERATURE 0 to 55 C 32 to 131 F STORAGE TEMPERATURE 45 to 72 C 49 to 162 F HUMIDITY ...

Страница 14: ...ter lightning orotheractsofnature ii Product modification orfailureto followinstructions supplied with theproduct iii Repairorattemptedrepairby anyonenot authorized byKramer iv Anyshipment oftheproduct claims must bepresentedtothe carrier v Removalorinstallationoftheproduct vi Anyothercause whichdoes not relateto aproduct defect vii Cartons equipment enclosures cables or accessoriesusedinconjuncti...

Страница 15: ... REV 3 For the latest information on our products and a list of Kramer distributors visit www kramerelectronics com where updates to this user manual may be found We welcome your questions comments and feedback Caution Safety Warning Disconnect the unit from the power supply before opening servicing ...

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