Kramer Electronics Switch TP 125 User Manual

Kramer Electronics, Ltd.  
USER MANUAL  
Models:  
TP-125, UXGA / Audio / Data Line Transmitter  
TP-126, UXGA / Audio / Data Line Receiver  
 
Introduction  
1
Introduction  
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been  
providing a world of unique, creative, and affordable solutions to the vast  
range of problems that confront the video, audio, presentation, and  
broadcasting professional on a daily basis. In recent years, we have  
redesigned and upgraded most of our line, making the best even better! Our  
1,000-plus different models now appear in 11 groups1 that are clearly  
defined by function.  
Thank you for purchasing the Kramer TOOLS TP-125, UXGA / Audio /  
Data Line Transmitter, and/or TP-126, UXGA / Audio / Data Line Receiver,  
which are ideal for:  
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Presentation and multimedia applications  
Long range graphics distribution for schools, hospitals, security,  
and stores  
Each package includes the following items:  
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TP-125 or TP-126  
Power adapter (12V DC Input)  
This user manual2  
2
Getting Started  
We recommend that you:  
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Unpack the equipment carefully and save the original box and  
packaging materials for possible future shipment  
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Review the contents of this user manual  
Use Kramer high-performance high-resolution cables3  
1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems; GROUP 4:  
Format/Standards Converters; GROUP 5: Twisted-Pair Solutions; GROUP 6: Specialty AV Products; GROUP 7: Scan  
Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity; GROUP 10: Accessories and  
Rack Adapters; GROUP 11: Sierra Products  
1
 
Getting Started  
2.1 Quick Start  
This quick start chart summarizes the basic setup and operation steps.  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
2
 
Overview  
3
verview  
The TP-125 and TP-126 are a high-performance twisted pair transmitter  
and receiver for computer graphics video (including HDTV), unbalanced  
stereo audio, and RS-232 control commands.  
The TP-125 converts computer graphics video, unbalanced stereo analog  
audio, and RS-232 control commands to a twisted pair signal, and the  
TP-126 converts the twisted pair signal back into computer graphics video,  
unbalanced stereo and S/PDIF digital audio, and RS-232 control signals.  
Together the TP-125 and TP-126 form a computer graphics/audio line  
transmitter/receiver system.  
ore specifically, the products feature:  
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Resolution up to UXGA or 1920x1200  
HDTV compatibility  
Simultaneous unbalanced stereo and S/PDIF (24-bit 48kHz) audio  
outputs (TP-126)  
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Level (gain) and EQ (peaking) controls (TP-126)  
System range up to 100m (300ft)  
This user manual describes the following Kramer TOOLS:  
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TP-125 UXGA / Audio / Data Line Transmitter, see section 4.1  
TP-126 UXGA / Audio / Data Line Receiver, see section  
This section describes:  
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Using shielded twisted pair (STP) / unshielded twisted pair (UTP),  
see section 3.1  
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Recommendations for achieving the best performance, see section 3.2  
3.1 Shielded Twisted Pair (STP) / Unshielded Twisted Pair (UTP)  
The decision whether to use shielded twisted pair (STP) cable or unshielded  
twisted pair (UTP) cable depends on the nature of the application.  
In applications with high interference, shielded twisted pair (STP) cable is  
recommended. However, the cable shield creates a capacitance that  
degrades the frequency response of the device. For distances of 50 meters or  
less shielded twisted pair (STP) cable is preferred because it provides  
interference protection without any apparent degradation.  
In applications where either: 1) the source and transmitter or receiver and  
destination monitor are disconnected from common ground, or 2) the source  
area (building) and destination area have no common ground – STP cable is  
preferred. For long-range applications, unshielded twisted pair (UTP) cable  
3
 
Your TP-125 / TP-126  
is preferred. However, unshielded twisted pair (UTP) cable should be  
installed far away from sources of electromagnetic interference such as  
electric cables and motors.  
It is recommended to use shielded twisted pair (STP) skew-free Kramer cable  
BC-SXTP for transmitting VGA signals, and shielded twisted pair (STP)  
non-skew-free Kramer BC-STP cable for digital signals.  
3.2 Recommendations for Achieving the Best Performance  
To achieve the best performance:  
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Use only good quality connection cables1 to avoid interference,  
deterioration in signal quality due to poor matching, and elevated  
noise levels (often associated with low-quality cables)  
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Avoid interference from neighboring electrical appliances that  
may adversely influence signal quality and position your Kramer  
TP-125/TP-126 away from moisture, excessive sunlight and dust  
Caution – No operator-serviceable parts inside unit.  
Warning – Use only the Kramer Electronics input power  
wall adapter that is provided with this unit2.  
Warning – Disconnect power and unplug unit from wall  
before installing or removing device or servicing unit.  
4
Your TP-125 / TP-126  
This section defines the:  
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TP-125, UXGA / Audio / Data Line Transmitter (see section 4.1)  
TP-126, UXGA / Audio / Data Line Receiver (see section  
)
2 For example: model number AD2512C, part number 2535-000251  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
4
 
Your TP-125 / TP-126  
4.1 Your TP-125 UXGA / Audio / Data Line Transmitter  
The TP-125 is a high-performance transmitter that accepts:  
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A computer graphics input signal  
An unbalanced stereo analog audio signal  
RS-232 control commands  
The TP-125 codes the signals and transmits them over CAT 5 cable to a  
TP-126 receiver. The stereo analog audio signal is converted to the digital  
audio (S/PDIF) stream before transmitting, thus preserving the quality of  
the audio source signals. Commands and data can flow in both directions  
via the RS-232 interface, allowing status requests and control of the  
destination unit.  
Figure 1 and Table 1 define the TP-125:  
Figure 1: TP-125 UXGA / Audio / Data Line Transmitter  
5
 
Your TP-125 / TP-126  
Table 1: TP-125 UXGA / Audio / Data Line Transmitter Features  
#
Feature  
Function  
1
2
3
4
12V DC  
AUDIO IN 3.5mm Mini Jack  
RS-232 Terminal Block Connector  
LINE OUT RJ-45 Connector  
+12V DC connector for powering the unit  
Connects to the audio source  
Connects to the PC or the Remote Controller (see section 5.1)  
Connects to the LINE IN RJ-45 connector on the TP-126  
UXGA / Audio Line Receiver  
5
6
UXGA IN 15-pin HD (F) Connector  
ON LED  
Connect to the UXGA source  
Illuminates when receiving power  
4.1.1 The TP-125 Internal Polarity Switches  
Figure 2 and Table 2 define the internal sync polarity switches inside the  
TP-125.  
Note, that you need to open the TP-125 unit to gain access to the Vs and Hs  
Polarity switches. After setting the switches, close the TP-125 unit.  
Figure 2: TP-125 Internal Polarity Switches  
Table 2: Features of the TP-125 Internal Polarity Switches  
Feature  
VS Switch  
Function  
Slide down to set the V SYNC to negative polarity (NEG);  
slide up1 to set the V SYNC to positive polarity (NORM)  
HS Switch  
Slide down to set the H SYNC to negative polarity (NEG);  
slide up1 to set the H SYNC to positive polarity (NORM)  
1 By default, both switches are set down (for a negative V SYNC and H SYNC polarity)  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
6
 
Your TP-125 / TP-126  
4.2 Your TP-126 UXGA / Audio / Data Line Receiver  
The TP-126 is a high-performance receiver obtaining the computer graphics  
signal/audio/control data from the Kramer TP-125 via UTP cabling at its  
CAT 5 line input. The TP-126 outputs a computer graphics signal, an  
unbalanced stereo analog audio signal, a converted digital audio (S/PDIF)  
signal, and bi-directional RS-232 control commands and data, to and from the  
receiver. The RS-232 interface makes it possible to control virtually any  
device over a transmission range of more than 300 feet (more than 100  
meters) over UTP cabling. In addition, the TP-126 features:  
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Level and EQ. control for the UXGA signals  
The capability to change the polarity of decoding H and V Sync  
24 bit 48kHz S/PDIF digital audio that supplies the highest quality audio  
12V DC power  
Figure 3 and Table 3 define the TP-126 UXGA / Audio / Data Line Receiver:  
Figure 3: TP-126 UXGA / Audio / Data Line Receiver (Top, Front, and Rear)  
7
 
Your TP-125 / TP-126  
Table 3: TP-126 UXGA / Audio / Data Line Receiver (Top, Front, and Rear) Features  
#
Feature  
Function  
+12V DC connector for powering the unit  
Connects to the digital audio acceptor  
Connects to the analog audio acceptor  
1
2
3
12V DC  
S/PDIF RCA connector  
ANALOG 3.5mm Mini Jack  
4
5
6
7
8
9
RS-232 Terminal Block Connector  
LINE IN RJ-45 Connector  
UXGA OUT 15-pin HD (F) Connector Connects to the UXGA acceptor  
Connects to the controlled unit  
Connects to1 the LINE OUT RJ-45 connector on the TP-125  
ON LED  
Illuminates when receiving power  
Adjusts the cable compensation equalization level  
Adjusts the output signal level  
EQ.2 Trimmer  
LEVEL Trimmer  
LINK LED  
10  
Illuminates when receiving the correct input signal  
4.2.1 Your TP-126 UXGA / Audio / Data Line Receiver (Underside)  
Figure 4 and Table 4 define the underside of the TP-126 UXGA / Audio /  
Data Line Receiver. Note, that you need to open the TP-126 unit to gain  
access to the Vs and Hs Polarity switches. After setting the switches, close  
the TP-126 unit.  
Figure 4: TP-126 UXGA / Audio / Data Line Receiver (Underside)  
Table 4: TP-126 UXGA / Audio / Data Line Receiver (Underside) Features  
#
1
Feature  
VS Switch  
Function  
Slide down to set the V SYNC to negative polarity (NEG);  
slide up1 to set the V SYNC to positive polarity (NORM)  
2
HS Switch  
Slide down to set the H SYNC to negative polarity (NEG);  
slide up1 to set the H SYNC to positive polarity (NORM)  
1 Using a UTP cable with CAT 5 connectors at both ends (the PINOUT is defined in Figure 7 and Table 6)  
2 Degradation and UXGA signal loss can result from using long cables (due to stray capacitance), sometimes leading to a  
total loss of sharpness in high-resolution signals  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
8
 
Connecting the TP-125/TP-126 Transmitter/Receiver Pair  
5
Connecting the TP-125/TP-126 Transmitter/Receiver Pair  
You can use the TP-125 UXGA / Audio / Data Line Transmitter and the  
TP-126 UXGA / Audio / Data Line Receiver to configure a twisted pair  
transmitter and receiver system, to transmit the video, audio and RS-232 control  
signals via CAT 5 UTP cable.  
To connect the TP-125 and the TP-126 to create a twisted pair transmitter and  
receiver system, as the example in Figure 5 illustrates, do the following:  
1. On the TP-125, connect:  
°
An UXGA source (for example, the graphics card on a laptop) to  
the UXGA IN 15-pin HD (F) connector and an audio source to  
the Audio IN 3.5mm mini jack, for example, using a Kramer  
C-GMA/GMA cable (VGA 15-pin HD (M) +Audio jack to VGA  
15-pin HD (M) +Audio jack)2  
°
An RS-232 cable with a 9-pin D-sub connector at one end to the  
laptop, and a 3 PIN terminal block connector at the other end to  
the TP-125 RS-232 port3  
2. On the TP-126, connect:  
°
The UXGA OUT 15-pin HD (F) connector to the AV display  
system  
°
The S/PDIF Audio OUT RCA connector to a digital AV  
Receiver (leave the ANALOG Audio OUT 3.5mm mini jack  
unconnected)  
°
An RS-232 cable with a 3 PIN terminal block connector at one  
end to the TP-126 RS-232 port3, and a 9-PIN D-SUB connector  
at the other end to the RS-232 port on the AV display system  
3. Connect the Line OUT RJ-45 connector on the TP-125 to the LINE IN  
RJ-45 connector on the TP-126, via UTP cabling4 (with a range of more  
than 300ft (>100m)).  
4. Connect the 12V DC power supply to the power socket and connect the  
adapter to the mains electricity on both the TP-125 and the TP-126.  
5. On the TP-126:  
°
Adjust the video output signal level and/or cable compensation  
equalization level with a screwdriver, if required  
1 By default, both switches are set down (for a negative V SYNC and H SYNC polarity)  
connect an UXGA source to the UXGA IN 15-pin HD (F) connector, and a separate audio source to the AUDIO IN 3.5mm  
mini jack  
3 As defined in Figure 6 and Table 5  
4 For details of how to wire a CAT 5 LINE IN / LINE OUT RJ-45 connector, see section 5.2  
9
 
Connecting the TP-125/TP-126 Transmitter/Receiver Pair  
°
If necessary, set the H SYNC and V SYNC switches1, on the  
underside  
Figure 5: Connecting the UXGA / Audio / Data Line Transmitter / Receiver System  
1 By default, both switches are set down (for negative V SYNC and H SYNC polarity)  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
10  
 
Connecting the TP-125/TP-126 Transmitter/Receiver Pair  
5.1 Transmitting via RS-232 (for example, using a PC)  
Prepare an RS-232 cable with a 9-pin D-sub connector at one end, and a 3  
PIN terminal block connector at the other end, as defined in Table 5 and  
Figure 6:  
Table 5: RS-232 PINOUT  
Connection  
Connect this PIN on To this PIN on the  
the Terminal Block  
Connector:  
9-pin D-sub  
Connector  
TxD  
RxD  
GND  
PIN 2  
PIN 3  
PIN 5  
Figure 6: RS-232 PINOUT  
Connection  
5.2 Wiring the CAT 5 RJ-45 Connectors  
Table 6 and Figure 7 define the CAT 5 pinout, using a straight pin-to-pin  
cable with RJ-45 connectors:  
Table 6: CAT 5 Connector Pinout  
EIA /TIA 568A  
EIA /TIA 568B  
PIN  
1
Wire Color  
Green / White  
Green  
PIN  
1
Wire Color  
Orange / White  
Orange  
2
2
3
Orange / White  
Blue  
3
Green / White  
Blue  
4
4
5
Blue / White  
Orange  
5
Blue / White  
Green  
6
6
7
Brown / White  
Brown  
7
Brown / White  
Brown  
8
8
Pair 1 4 and 5  
Pair 2 3 and 6  
Pair 3 1 and 2  
Pair 4 7 and 8  
Pair 1 4 and 5  
Pair 2 1 and 2  
Pair 3 3 and 6  
Pair 4 7 and 8  
Figure 7: CAT 5 Connector  
11  
 
Technical Specifications  
6
Technical Specifications  
The TP-125, TP-126 technical specifications are shown in Table 7:  
Table 7: Technical Specifications of the TP-125 / TP-126  
TP-125  
TP-126  
INPUTS:  
Video: 1 UXGA on an HD15 connector  
1 RJ-45 LINE IN connector  
Audio: 1 audio ANALOG 3.5mm mini jack  
OUTPUTS:  
1 RJ-45 OUT connector  
Video: 1 UXGA on an HD15 connector  
Audio:  
1 audio S/PDIF RCA connector  
1 audio ANALOG 3.5mm mini jack  
RESOLUTION:  
MAX. OUTPUT LEVEL:  
Up to UXGA or 1920x1200  
RS-232 3 PIN Terminal Block  
Video: 1.6V  
Audio: 2.3V  
RS-232 3 PIN Terminal Block  
Level: –7.5dB to +4.4dB,  
EQ.: 0dB to +33dBm (130m) @ 50MHz  
CONTROLS:  
RS-232 BAUD RATE:  
RS-232 MODE:  
BANDWIDTH:  
S/N RATIO:  
Up to 19200kbps  
Full-duplex  
Audio: 20Hz – [email protected]  
Audio: <–80dB  
TOTAL GAIN:  
Audio:  
Analog/analog: 0dB  
Analog/SPDIF: –12dBFS  
COUPLING:  
TND+N:  
POWER SOURCE:  
DIMENSIONS:  
WEIGHT:  
AC  
Audio: <0.01%  
12 VDC 60mA  
12.1cm x 7.18cm x 2.42cm (4.76" x 2.83" x 0.95"), W, D, H  
0.3 kg. (0.67 lbs.) approx.  
ACCESSORIES:  
Power supply  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
12  
 
13  
 
For the latest information on our products and a list of Kramer  
where updates to this user manual may be found.  
We welcome your questions, comments and feedback.  
Safety Warning:  
Disconnect the unit from the power supply before  
opening/servicing.  
Caution  
2900- 000371  
4
P/N:  
Rev:  
Kramer Electronics, Ltd.  
P/N: 2900-000371 REV 4  
 

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