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CAT5 VGA Extender 

ITEM NO.:    HTA-TTP111VGA 

 
The VGA Extender allows VGA video signals to be transmitted up to 135 meters via 4-paris CAT5 STP or 
UTP cable.    Used in pairs, the VGA Extender is used in home or commercial applications as a smart, fast 
and cost-effective, eliminates costly and bulky VGA cable, allowing VGA monitors to be connected 
extended distances from the PC via standard twisted pair cable.    Ideal for classrooms video distribution, 
lecture halls, retail kiosks, video information displays, overhead projector systems, PC-training systems, 
and tradeshows PC demo systems. 

 

Features: 

 

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Passive device, no power required. 

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Including 2 units as transmitter and receiver. 

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Supports up to 1280x1024 pixels. 

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Up to 135 meters via standard 4 pairs CAT5 STP or UTP cable instead of VGA cable. 

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Transmitter built in virtual DDC to avoid improperly setting at resolution and frequency. 

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Transmitter built in sync mode selection for signal stability. 

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Receiver built in sync filter level adjustment for signal stability. 

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Perfect for classrooms, lecture halls, tradeshows, video information displays…etc. 

 

Installation: 
 

Recommend Cable: 

1. CAT5e UTP/STP or Cat6 UTP cable. 

 
2. There are some certain models or brands of monitors with very high demand at 

sync-sensitive, recommend use STP (shielding twisted pair) cable to instead of UTP 

(unshielded twisted pair) cable.       

 

RJ45 Pin Configuration: TIA/EIA 568B Wiring standard

 

 

1. Orange-white  

Red + 

2. 

Orange   Red 

3. Green-white   

H-Sync 

4. Blue   

 

 

Green + 

5. Blue-white 

 

Green - 

6. 

Green 

   V-Sync 

7. Brown-white   

Blue + 

8. 

Brown   Blue 

 

Switch Setting: 

TTP111VGA-T Sync Mode Select 
 

 

 Mode 

1  

 

 Mode 2 

 

 
1. For new type monitors, such like over 17” LCD Monitor, recommends setting at mode 1 for the best 

stability. If the picture not normal, then switch to Mode 2. 

 
2. For old type monitors, such like CRT or under 17” LCD Monitor, recommend setting at mode 2.    If 

picture still not normal after adjust the dip switch of HTA-TTP111VGA-R. Then please use STP 
(shielding twisted pair) cable. 

Содержание HTA-TTP111VGA-T

Страница 1: ...z Transmitter built in sync mode selection for signal stability z Receiver built in sync filter level adjustment for signal stability z Perfect for classrooms lecture halls tradeshows video information displays etc Installation Recommend Cable 1 CAT5e UTP STP or Cat6 UTP cable 2 There are some certain models or brands of monitors with very high demand at sync sensitive recommend use STP shielding ...

Страница 2: ... type of twisted pair cable and image resolution of the PC s VGA interface Make sure that the maximum recommended operational distances have not been exceeded 3 All wiring is straight through twisted pair cable not being used for other LAN or telephone equipment 4 Do not connect the VGA Extender to a telecommunication outlet wired to unrelated equipment Troubleshooting at picture problem 1 No pict...

Страница 3: ...e Pin 7 Pin 8 Balanced Horizontal Sync Pin 3 Vertical Sync Pin 6 Input RGB 75 ohms DB15 HD Unbalanced Input RGB 100 ohms RJ45 shielded Balanced Output RGB 100 ohms RJ45 shielded Balanced Output RGB 75 ohms DB15 HD Unbalanced Impedance Horizontal and vertical sync TTL standard Setting Switch 2 Stage Slide Switch 5 Stage Dip Switch Transmission Distance 60 135 meters depend on image resolution Link ...

Страница 4: ...STP shielding RJ45 connector with STP cable connection If your RJ45 connector is plastic housing unshielded then the cable connection must do the following 1 The ground cable must pull out around 5 10cm length to connect with VGA Extender s ground screw for grounding 2 Make the ground cable connect to ground screw then plug RJ45 connector ...

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