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Details
View of the device
The TR-2P+2AU Transmitter/Receiver allows to transmit video signal from two cameras, and two audio signals - by twisted pair cables (usually UTP cable). For the video signals the device adjusts 75 ohms coaxial cable impedance to twisted pair cable impedance. It guarantees video signal transmission up to 400 meters. For the audio signal the device adapts 600 ohms microphone impedance to twisted pair impedance. It guarantees audio signal transmission up to 1200 meters.
Front view
The TR-2P+2AU Transmitter/Receiver is a passive device (no power supply needed). Two devices need to be used for complete channel transmission. One of them works as a transmitter and the second as a receiver. Audio Insertion Loss for 1200 meters (two devices + line) is 6 dB.
Rear view
Audio-Video signal transmission by twisted pair cable is cheaper than transmission by coaxial cable, and assuring good quality because the signal is transmitted differentially. It means satisfactory reduction or even elimination of interferences.
Specifications
| Name | TR-2P+2AU Transmitter/Receiver TR-2P+2AU |
| Code | M1662 |
| Maximum range of video transmission | 400 meters |
| Maximum range of audio transmission | 1200 meters |
| Video insertion loss | - 0.5 dB (f=5MHz) |
| Audio insertion loss | -1.75 dB (f=1KHz) |
| Video bandwidth | up to 50MHz |
| Video and audio input/output isolation | -50 dB min. |
| Video Input/Output Impedance | 75 ohm |
| Audio Input/Output Impedance | 600 ohm (f=1kHz) |
| Twisted Pair Input/Output Impedance | 100 ohm |
| Coaxial Cable Video InputOutput Socket | 2 X BNC socket |
| Audio InputOutput Socket Type | 2 X CINCH socket |
| Audio InputOutput Socket | RJ-45 socket (8-pin, 4 pairs) |
| Size | 117x64x30 mm |
| Weight | 107g |
Wiring sequence inside the RJ-45 plug.
Pin Number | Color | Application |
| 1 | White/Orange | signal (+) VIDEO-1 |
| 2 | Orange | signal (-) VIDEO-1 |
| 3 | White/Green | signal (+) VIDEO-2 |
| 4 | Blue | signal (-) AUDIO-L |
| 5 | White/Blue | signal (+) AUDIO-L |
| 6 | Green | signal (-) VIDEO-2 |
| 7 | White/Brown | signal (+) AUDIO-P |
| 8 | Brown | signal (-) AUDIO-P |
Examples of application
Specifications
| Nazwa | Transformator audio/video TR-2P+2AU |
| Kod | M1662 |
| Zasięg video | 400 metrów |
| Zasięg audio | 1200 metrów |
| Tłumienie przelotowe video | -0,5 dB ( dla f=5MHz ) |
| Tłumienie przelotowe audio | -1,75 dB ( dla f=1KHz) |
| Zakres pasma video | do 50MHz |
| Separacja między we/wy video i audio | > -50 dB |
| Impedancja we/wy video | 75 Ohm |
| Impedancja we/wy toru audio | 600 om (dla f=1kHz) |
| Impedancja we/wy symetrycznego | 100 ohm |
| Typ złącz we/wy koncentrycznego toru video | 2 X Gniazdo BNC |
| Typ złącz we/wy toru audio | 2 X gniazdo CINCH |
| Typ złącz we/wy symetrycznego | Gniazdo RJ-45 (8 Pin, 4 pary) |
| Wymiary | 117x64x30mm |
| Masa | 107g |