ETV sdi tally intercom to fiber 3g sdi to optical fiber with support bidirectional transmission external audio RS422
● Support 1-way two-way 3G/HD/SD-SDI serial digital video and 1-way two-way audio transmission;
● Supports multiple serial digital video signals of 3G/HD/SD-SDI;
● Support rate 143Mbps ~ 2.97Gbps;
● Compatible with SMPTE 259M, 292M, 344M, 424M and ITU Serial digital video standards;
● Built-in cable automatic equalizer and clock reset function;
● 1-16 channels of analog video real-time digital transmission, video SNR ≥70dB
● Video transmission standards exceed EIA RS-250C short-range video transmission requirements
More business SDI hd video optical transceiver application of DSP and other digital technology development a core optical fiber transmission at the same time by a multiple of 3 g - SDI video, audio, data (RS485 / code / 422/232 man, best), the switch quantity, intercom, audio (intercom) compatible with a variety of brands, telephone, concerning line such as Ethernet and audio signals of compact optical transceiver. The product is small in size and low in power consumption, and can be installed by independent or rack structure. Ambient temperature -40℃ ~ +75℃, working humidity 0 ~ 95% (no condensation) under the state of normal work, with dustproof, salt fog, acid fog and other properties, fully suitable for the working conditions of more stringent field environment.
More business SDI hd video optical transceiver is designed for the characteristics of the resources are limited and complex transmission business requirements and custom design a model, it adopts any combination plug-in design a variety of business, at the same time provides a rich business interface such as Ethernet and RS232 / RS485 / RS422, FXO, FXS, provides video surveillance high-end users with professional integrated solutions. It has the extremely high network security and the network extension ability, supports the user to form any form of network according to the demand.
● Only one fiber is used for all transmissions
● All-digital, uncompressed, high-definition optical transmission;
● Support 1-way two-way 3G/HD/SD-SDI serial digital video and 1-way two-way audio transmission;
● Supports multiple serial digital video signals of 3G/HD/SD-SDI;
● Support rate 143Mbps ~ 2.97Gbps;
● Compatible with SMPTE 259M, 292M, 344M, 424M and ITU Serial digital video standards;
● Built-in cable automatic equalizer and clock reset function;
● 1-16 channels of analog video real-time digital transmission, video SNR ≥70dB
● Video transmission standards exceed EIA RS-250C short-range video transmission requirements
● Compatible with PAL, NTSC, SECAM and other CCIR allowed video standards
● Support RS-232, RS-422, RS-485 (2/4 line), mancode and other data communication formats
● Support forward, reverse and two-way switching signals
● Support a variety of intercom audio (intercom from Aifeng, Laibang, Mei-yi, Anjubao, Kehao, Zhenwei, Linlin, Sede)
● Can transmit single channel Ethernet or multi-channel isolated Ethernet signals simultaneously
● Can directly transmit telephone signals (inside line, outside line, hot line)
● The maximum transmission distance without relay is up to 80 km
● Optical relay nodes can be added
● No ELECTROMAGNETIC interference, no RF interference, no ground current
● Lightning protection for video, audio, data and Ethernet interfaces
● Plug and play, support hot plug, no debugging installation
● With device identification function, realize encryption, prevent illegal theft of video
● Indicator lights help with rapid diagnosis of system failures
● Product lifetime maintenance
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Serial signal parameter |
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|
Signal standard |
SMPTE305M (SDTi), SMPTE (19.4 Mb/s), SMPTE344M (540 MB/s), |
|
Reflection loss |
15 db |
|
Transmitter input/output |
1/1 (optional) 1 backup input |
|
The receiver output |
2 (optional) 1 backup input |
|
Input/output level |
800 mVp - p |
|
Cable equilibrium |
0-150 @1.485gb/s |
|
Connector |
75 Ω BNC |
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Video parameters: |
|
|
Video input/output impedance |
75 ohm (non equilibrium) |
|
Standard video input/output voltage |
1.0 Vp - p Type |
|
Video voltage range |
0.6 ~ 2.0 Vp - p Type |
|
Differential gain (10% 90% APL) |
< type plus or minus 1% |
|
Differential phase (10% 90% APL) |
< + 1 ° type |
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Signal-to-noise ratio |
> 65 db (weighted) (8 bit); >70dB (weighted) (10Bit) |
|
Channel physical interface |
the BNC |
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Audio parameters: |
|
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Audio input/output impedance |
600 Ohm (non equilibrium) |
|
Audio input/output voltage biggest |
the Vp - 4.0 p |
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The frequency response |
10 to 20 KHZ |
|
The total harmonic distortion of |
< 0.05% |
|
Signal-to-noise ratio |
> 95 db (weighted) |
|
Channel physical interface |
standard phoenix terminal |
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Data parameters: |
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Data format |
RS232 and RS422, RS485, yards, BIPHASE, etc |
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Data rate |
0 ~ 300 KBPS |
|
Ber |
10 to 9 |
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Channel physical interface |
phoenix wiring standards |
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Switching parameters |
|
|
Physical interface |
terminals |
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Signal input |
any active or passive alarm, switch quantity input, TTL, RS232/485 or passive switch, button |
|
Signal output |
any active or passive alarm, switch output, TTL and RS - 232/485 or relay contact output |
|
Channel physical interface |
standard phoenix terminal |
|
Optical parameters |
|
|
Wavelength |
1310 nm and 1470 nm to 1610 nm |
|
Optical fiber type |
50/125 9/125 62.5/125 u u multimode multi-mode u single mode |
|
Typical optical output power |
8 ~ 3 DBM |
|
Typical receiver sensitivity |
30 dBm |
|
Optical interface |
FC, ST, SC (optional) |
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Conventional parameters |
|
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The working power supply |
chassis power supply (170 v to 240 v ac adaptive) |
|
Working temperature |
35 ℃ ~ 70 ℃ |
|
Humidity work |
0 ~ 95% without condensation |
