Audio Interfaces - Redbox - Video Distribution Amplifiers
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RB-VHDA2x4 3G/HD/SD-SDI 2 Input, 8 Output Video Distribution Amplifier.
RB-VHDA2x4 3G/HD/SD-SDI 2 Input, 8 Output Video Distribution Amplifier
The RB-VHDA2x4 is a high performance, reliable dual input and eight output digital video distribution amplifier for re-clocking and distributing up to two 3G, HD (high definition) or SD (standard definition) SDI sources.
By default, the RB-VHDA2x4 acts as two independent video distribution amplifiers, with input 1 routed to outputs 1-4 and input 2 routed to outputs 5-8. Either input can also be routed to all outputs if desired which can be selected by the Input Select switch on the front panel or via the built-in webserver. The webserver also provides status information for the unit.
The unit provides automatic input detection, re-clocking and cable equalisation of the input signals to 100/350 meters (HD/SD) of coax cable.
The full range of 3G, SD and HD standards are supported by the unit allowing PAL and NTSC signals up to 1080p 60Hz to be distributed.
Each output is individually buffered providing separately driven outputs for greater reliability.
As well as an AC power input, the unit also has a 12V DC input for use, for example, in outside broadcast vehicles. Both power inputs can be used to give a dual redundant power supply; whichever voltage is higher will be used.
RB-VHDA2x4 Diagram.
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Technical Specification For RB-VHDA2x4 |
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| Compatible Standards: | SMPTE-424M (3G) SMPTE-292M (HD-SDI) SMPTE-259M-AC1 (SD-SDI) SMPTE 344M DVB-ASI at 270Mb/s 1. Other rates will be passed without reclocking. |
| 1. Other rates will be passed without reclocking. | |
| Impedance: | 75Ω terminating |
| Equalisation: | Up to 100m of Belden 1694A at 1.485Gbps Up to 350m of Belden 1694A at 270 Mbps |
| Data Rates: | 143, 270, 1483.5, |
| Fully supported Passed but not reclocked: | 1485, 2967 & 2970Mbps 177, 360 & 540Mbps |
| Reclocking & Equalisation: | Automatic |
| Resolution: | Automatic |
| Return Loss: | >15dB at 1500MHz |
| Output Jitter: | <0.2UI |
| Signal Level: | 800mV ±10% |
Front Panel Indicators |
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| Power LED: | Red indicates power is present |
| Input Status 1 & 2 LEDs: | Green indicates signal is present, flashing red indicates signal is missing. |
Rear Panel Connections |
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| 3G/HD/SD-SDI Video Input: | 2 x BNC (Unbalanced) |
| 3G/HD/SD-SDI Video Outputs: | 8 x BNC (Unbalanced) |
| Ethernet Port: | RJ45 with status LEDs |
| Power Supply: AC: |
Filtered IEC, continuously rated 85-264VAC, 47-63Hz, fused, max 10W |
| Fuse Rating: DC: |
Anti-surge fuse 1A 20 x 5mm 12V 300mA max, DC supply, 2.5mm socket fused |
Equipment Type |
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| RB-VHDA2x4: | 3G/HD/SD-SDI 2 inputs, 8 output video distribution amplifier |
Physical Specification |
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| Dimensions (Raw): | 48cm (W) x 10.8cm (D) x 4.3cm (H) 19” (W) x 4.3” (D) x 1.7” (H) (1U) |
| Dimensions (Boxed): | 58.5cm (W) x 22.5cm (D) x 7cm (H) 23” (W) x 8.9” (D) x 2.8” (H) |
| Weight: | Nett: 1.3kg Gross: 1.9kg Nett: 2.9lbs Gross: 4.2lbs |
Accessories |
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| RB-RK3: | 1U Rear panel rack kit for large Redboxes |
