1Ch Bidirectional 3G-SDI with Loop-out + 1Ch Tally + 2Ch Bidirectional RS485 or RS422 + 2Ch Stereo Audio + 1Ch Microphone over Fiber Converter
SDI Fiber Extender Overview
The LNK-3G-1BV1T2BD2A1M series is a high-performance 3G/HD-SDI video optical transceiver.
It supports one-channel bidirectional 3G/HD-SDI video transmission (with embedded audio) ,
video loop-out , one tally signal , two-channel bidirectional RS485/RS422 data , two-channel
external stereo audio , and one microphone signal , transmitting high-definition video
and audio signals over optical fiber.
This series includes one transmitter and one receiver, supporting 1080P Full HD 3G/HD-SDI signal
transmission , and offers high stability and clear images . LED status indicators are included on
the device for real-time monitoring of operating status.
Applicable to: intelligent traffic monitoring, security systems, industrial monitoring
(electricity, chemical industry, steel, oil, railway, etc.), military monitoring (warehouses, borders, etc.),
campus networks, stadium live broadcasts, TV program transmission and other high-demand video
and audio transmission scenarios.
SDI Fiber Extender Features
► 1Ch Bidirectional 3G-SDI Video with Loop-out
► 1Ch Tally Signal
► 2Ch Bidirectional RS485 or RS422 Data
► 2Ch Stereo Audio
► 1Ch Microphone
► Automatic reclocking 270Mbit/s - 1.48Gbit/s - 3Gbit/s
► Support HDTV 720P, 1080I, 1080P, 1920*1080@60Hz
► Long transmission capability up to 20km (SMF)
► Hot swap and hot plug;
► Fully digital non-compression broadcast level transmission;
► Industry level ultra-broad temperature range (-20℃~+70℃), adaptable to various environments;
SDI Fiber Extender Technical Indexes
| Fiber Optical interface |
| Fiber interface |
Simplex LC |
| Transmission distance |
0-20Km |
| Wavelength |
1310nm/1550nm |
| Video |
| Video interface |
BNC |
| Video input/output impedance |
75Ω |
| Video input/output voltage |
Typical:1Vpp, Min 0.5Vpp, Max 1.5Vpp |
| Video Bits Rate |
Max 3.2Gb/s |
| Differential gain (10%～90% APL) |
<1% |
| SDI format support |
625/25 PAL |
| 525/29.97 NTSC, 525/23.98 NTSC |
| 720p50, 720p59.94 |
| 1080i 23/24/30/50/59.94 |
| 1080P 23.98/24/30/50/60 |
| Video SDI standard |
270Mbps (SD-SDI), 1.485Gbps/M(HD-SDI) |
| SMPTE425M3Gb/s Mapping(3G-SDI) |
| SMPTE424M 3Gb/s serial interface(3G-SDI) |
| Data or Tally |
| Physical interface |
Industrial standard screw terminal |
| Data type |
RS485 (Default) or RS422 (Optional), Tally signal |
| Frequency/Rate support |
Max. 115200bps for RS422
Max. 57600bps for RS485
|
| BER |
<10ˉ9 |
| Stereo Audio or Microphone |
| Audio input and output |
3.5MM Audio |
| Audio format |
@48KHz |
| Electrical |
| Power adaptor |
DC 5~25V |
| Power consumption |
<5W |
| LED Indicator |
| P/S |
Power Supply |
| DAT |
Data |
| Mechanical |
| Dimensions (LxWxH) |
120 x 105 x 28 mm |
| Weight |
1.5KG/pair |
| Casing |
Aluminum Case |
| Mounting Options |
Wall-mount |
| Environmental |
| Working Temperature |
-20℃～+70℃ |
| Storage Temperature |
-40℃～+80℃ |
| Working Humidity |
0~95% |
| MTBF |
≥100000 hours |
SDI Fiber Extender Ordering Information
| Model |
Description |
| LNK-3G-1BV1T2BD2A1M |
1Ch Bidirectional 3G-SDI with Loop + 1Ch Tally + 2Ch Bidirectional RS485 or RS422 + 2Ch Stereo Audio + 1Ch Microphone over Fiber Converter, Single Mode Fiber, LC, 20km, including Transmitter and Receiver, used by pairs |
SDI Fiber Extender Panel
Note:
1. To+/To- can drive the LED with current 50MA
2. TIN/TCM for Tally Signal connection
3. T+/R- for RS485 (default) or RS422 (optional)
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