Instalační součásti
Transformátory
Video transformátor TR-4P/70
Kód zboží: M16672
Cena s DPH
Sleva
Množství
579,22 Kč
0 %
Picture of the device
Front view
Rear view
TR-4P/70 is used for transmitting video signals and delivering power to 4 video transformers TR-1P/70 M1666 via twisted pair cables (UTP, FTP, STP). The device adjusts the impedance of 75 ohm coaxial cable to that of twisted pair cable, which enables convenient video transmission over greater distances (up to 400m). Video signal is sent over one pair of a twisted pair cable, the remaining 3 pairs are used for supplying 12V power. TR-4P/70 is powered by 12V DC coming from an external adapter. The device has the LED that indicates proper power connection. It works together with video transformers M1666.
| Name | TR 4P/70 |
| Code | M16672 |
| Transmission range | 400 m |
| Max. distance for 12V power delivery | 70 m: camera without a thermostat (250mA) 23 m: camera with a thermostat (250mA camera + 500mA thermostat;TT-12E) |
| Power supply voltage | 12V |
| Nominal video loss | 0.5 dB (at f=5 MHz) |
| Type of connectors | 4 x BNC sockets |
| Type of twisted cable connectors | 4 x RJ-45 sockets (8 pins, 4 pairs) |
| Impedance of coaxial cable output | 75 ohm |
| Impedance of the twisted cable output | 100 ohm |
| Weight | 98 g |
| Dimensions: | 117x64x30 mm |
The table shows distances allowed for equipment with different power consumption. All calculations have been done for power transmission via a 0.5mm cat.5 twisted pair (24AWG).
Current | Max. range |
| 50 mA | 353 m |
| 75 mA | 235 m |
| 100 mA | 176 m |
| 125 mA | 141 m |
| 150 mA | 117 m |
| 200 mA | 88 m |
| 250 mA | 70 m |
| 300 mA | 58 m |
| 350 mA | 50 m |
| 400 mA | 44 m |
| 450 mA | 39 m |
| 500 mA | 35 m |
| 600 mA | 29 m |
| 700 mA | 25 m |
| 800 mA | 22 m |
| 900 mA | 19 m |
| 1000 mA | 17 m |
Twisted pair cable should be connected in the following way:
Example of application - the item working together with video transformers M1666
Cena s DPH
Sleva
Množství
579,22 Kč
0 %
KNIHOVNA POBOČKY
NOVINKY V KNIHOVNĚ
PŘEČTĚTE SI
Při stavbě domů začíná každý stavitel se základy. Vnitřní dokončovací práce musí být zahájeny kabeláží. Při projektování elektrické instalace je... Více »