Thor Fiber Cobra II TX/RX is a revolutionary 12G-SDI UHD multi-function fiber optic transmitter and receiver set that combine multiple inputs and outputs to meet client demand in the Live Video market. Through a single optical fiber, these units can transmit one channel of bidirectional 12G-SDI video, bidirectional 3.5 stereo audio, and bidirectional RS232/485/422 serial port data/bidirectional tally signal with CWDM technology. All of this is achieved with zero delay and no compression, ensuring high-quality signal extension up to 10km.
Each unit has an SDI loop ouput for local signal monitoring
These are easy-to-use plug-and-play devices. The set includes the transmitter, receiver, and both power supplies. LC/PC connectors are standard. They are effective in both hot and cold weather and are, of course, resistant to electromagnetic interference.
One-channel bidirectional SD, HD, 3G or 12G-SDI video transmission; the transmitter has SDI video loop-out and HD audio and video
CWDM optical multiplexing allows ultra-low delay - 1ms
SDI Video formats supported: ST-2082-1 (12G), ST-2081-1 (6G), ST-424 (3G), ST-292 (HD), and ST-259 (SD); compatible with DVB-ASI and AES10 (MADI).
Supports up to 16 embedded SDI audios.
Both the transmitter and receiver feature reclock functionality.
The signal input includes an automatic cable equalization (EQ) function, and the output features drive (CD) functionality.
One-channel bidirectional 3.5 stereo audio transmission Independent
Transparent transmission of RS232/485/422 serial port data.
One-channel bidirectional tally signal.
Single-mode Fiber with a 10km transmission distance.
One Simplex LC/PC Optical connector
Plug-and-play operation; power supplies are included.
COBRA II TX/RX - Contains 2 units - Transmitter (Side A) and Receiver (Side B). - 10Km version over one single mode fiber
COBRA II TX is a Fiber Optic (Side A) transceiver with 12G SDI IN with Loop, 12G SDI Out, Audio In, Audio Out, RS232, RS485, RS422 IN/OUT, and Tally IN/OUT.
COBRA II RX is a Fiber Optic (Side B) transceiver with 12G SDI IN with Loop, 12G SDI Out, Audio In, Audio Out, RS232, RS485, RS422 IN/OUT, and Tally IN/OUT
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Fiber parameters |
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Wavelength |
1270/1330/1470/1490nm |
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Fiber type |
9/125um single-mode |
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Transmitter power |
0~-3dB |
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Receiver sensitivity |
>-10dB |
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Fiber connector |
LC |
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Optical Distance |
Single Mode Fiber 10km |
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Video parameters |
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Protocol standard |
SMPTE ST-2082 |
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SMPTE rate |
270Mbit/s,1.48Gbit/s,2.97Gbit/s,5.94Gbit/s, 11.88Gbit/s |
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SDI SMPTE |
259M SD-SDI 480i,576i |
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344M ED-SDI 480P, 576P |
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292M HD-SDI 720P, 1080i |
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424M 3G-SDI 1080P60Hz |
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ST-2081 6G-SDI 2160P30Hz |
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ST-2082 12G-SDI 2160P60Hz |
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EQ mode |
11.88Gbps at 75m |
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5.94Gbps at 120m |
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2.97Gbps at 200m |
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1.485Gbps at 300m |
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270Mbps at 600m |
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Signal amplitude |
800mV±10% |
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Impedance |
75Ω |
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Connector |
BNC IEC169-8 standard |
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Audio parameters |
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Sampling frequency |
48K |
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Sampling depth |
24bit |
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Dynamic bandwidth |
96db |
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Total harmonic distortion (THD) |
-88db |
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Signal to noise ratio (SNR) |
96db |
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Audio input/output impedance |
600Ω |
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Signal level |
VPP 3.5V |
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Physical interface |
3.5mm stereo audio socket |
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Signal type |
Stereo Audio |
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Data parameters |
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Standard |
EIA RS-232,RS-485,RS-422 standard |
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Physical interface |
Industrial terminal/3.81mm |
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Baud rate |
50bps to 115200 kbps (support non-standard baud rates) |
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RS232 |
3-wire(RXD,TXD,GND), full-duplex, point to point communication |
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RS485 |
2-wire (A, B), half-duplex, point to multi-master-slave communication |
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RS422 |
4-wire, full-duplex |
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RS485 circuit parameters |
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RS-485 pull-up resistance/pull-down resistance |
4.7 kΩ,4.7 kΩ |
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RS-485 terminal resistance |
N/A,120 Ω and 120 kΩ |
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Tally signal parameters |
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Level type |
TTL(5V)/LVTTL(3.3V) |
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Input level range |
3.3V~12V |
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Output level parameter |
0V or 3.3V |
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Default state |
No-voltage output (0V) |
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Physical interface |
Industrial terminal / 3.81mm |
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Mechanical & Environmental Parameters |
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Shell |
Aluminum alloy |
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Product size |
116x128x30mm / 4.57"x 5.04" x 1.18 inches |
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Storage temperature |
-40°C ~+85°C |
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Relative humidity |
5 to 95% (non-condensing) |
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MTBF |
> 10,0000 hours |
A tally light, also known as a tally indicator or tally lamp, is a visual signal used in broadcasting and video production to inform on-air talent, camera operators, and others involved in the production about the status of a video camera. Tally lights serve as a communication tool to coordinate the timing of when a camera is live or on-air.
Here's how tally lights typically work:
Live Status: When a particular video camera is selected to be live or "on the air," a tally light associated with that camera illuminates. This signals to the on-air talent that they are currently being recorded or broadcast.
Off-Air Status: Conversely, when a camera is not live or off-air, the tally light associated with it remains off or changes to a different color, indicating to the talent that they are not currently being recorded.
Coordinated Communication: Tally lights are typically connected to a central control system, such as a video switcher or production switcher. The director or switcher operator controls which cameras are live, and the tally system ensures that the appropriate tally lights are illuminated accordingly.
Tally lights are crucial for live television broadcasts, as they help talent and camera operators know when they are on-air or off-air, allowing for smoother transitions and more effective communication during a broadcast. They come in various forms, such as small LED lights mounted on cameras or larger indicator lights in a studio environment, and may use different colors or patterns to indicate status.
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