- DVOP-VE-VES01 Half duplex bidirectional differential video visual intercom optical terminal
DVOP-VE-VEU01 unidirectional differential video or balanced video visual intercom optical terminal is Shenzhen Guang Xiang Communication dedicated to visual intercom access control optical terminal, to achieve the visual intercom system of one differential unidirectional intercom video, up to four pulse /RS485/RS232 and other data, Up to 2 full duplex/half duplex intercom audio that can superposition two-way voltage control signals is digitally transmitted using a single fiber. DVOP-VE-VEU01 adopts analog interface and intercom equipment docking, adopts modular design, and uses the unique "digital adaptive video automatic switching control", "multi-channel bidirectional audio and video data multiplexing", "adaptive audio voltage data mixing control" and other technologies. It can achieve seamless docking with most of the current domestic and international intercom systems, without making any changes to the original visual access control intercom system, you can step by step to achieve digital, optical, long distance networking needs. DVOP-VE-VEU01 realizes various networking modes such as point-to-point star networking, hand-in-hand bus networking, distributed hybrid networking, etc., quickly and conveniently constructing the networking of visual intercom systems in various application environments.
DVOP-VE series adopts advanced digital video, audio, data, network multiplexing technology and optical fiber transmission technology design, in a single fiber to achieve multi-channel one-way/full-duplex bidirectional video/half-duplex bidirectional video, multi-channel RS485/RS232/ pulse data, multi-channel full-duplex/half-duplex audio in the intercom system. Real-time synchronization, distortion free and high-quality transmission of all kinds of access control unlocking signals.
● Differential video input and output, video blessing up to 8Vp-p, to achieve long-distance high-quality video transmission
● Adopt unique voltage control signal and audio signal splitting multiplexing technology to achieve seamless docking with the intercom system of superimposed voltage
● Can transmit 4 pulse /RS485/RS232/RS422 and other data types
● It can support unidirectional/bidirectional control voltage superposition of dual-wire system and single-wire system
● Support full duplex bidirectional and half duplex bidirectional, audio impedance 10K/600/32 optional, amplitude 4V/12Vp-p optional
● Adaptive technology, direct connection can be used, without any on-site electrical and optical adjustment
● Industrial design, the use of industrial original devices, the use of gold PCB board, long-term reliable and stable operation of the equipment
● Support point-to-point star networking, hand-in-hand bus networking, distributed hybrid networking and other networking methods
● Aluminum alloy housing, can be mounted on the desktop or wall
● Standard 5V power supply, can support 12VDC/24VDC/48VDC and other industrial control field power supply
● High level lightning, surge, ESD protection design to ensure long-term reliable operation of equipment in harsh electromagnetic environment
● Full digital optical fiber transmission platform, multi-service flexible configuration of the same platform, can form a complex communication network, saving investment resources
● Complete indication of power supply, optical fiber link, call and call status
● Support centralized rack installation, using 2.5U rack, a single rack can insert a maximum of 21 pieces
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Optical index |
Wavelength: |
Multimode :850/1310nm; Single mode :1310/1550nm; DFB:1260~1610nm |
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Fiber output power: |
0 dBm ~ -3 dBm/-5 dBm ~ -10 dBm |
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Reception sensitivity: |
≤-26dBm |
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Single wavelength bandwidth: |
155M |
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Transmission distance: |
Multi-mode 0-2km; Single mode: 0-120km |
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Maximum optical power reservation: |
15dbm/20dbm/25dbm/30dbm |
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Fiber optic interface |
FC/ST/SC Optional |
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Video Metrics |
Unbalanced/balanced unidirectional/full duplex bidirectional/half duplex bidirectional video |
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Video channel: |
Two way two-way or four way one-way |
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Signal system: |
PAL/NTSC/SECAM |
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Nominal input/output level: |
1Vp-p/8Vp-p (typical) |
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Nominal input/output impedance: |
75 Ω / 120 Ω |
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Bandwidth per channel: |
8 MHz |
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Sampling frequency: |
16MHz |
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Quantized rating: |
8/10bit |
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Differential gain: |
< 1% (typical value) |
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Differential phase: |
< 1˚ (typical value) |
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Weighted signal-to-noise ratio: |
65dB (typical value) |
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Color brightness delay difference: |
10ns (typical value) |
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Color brightness gain difference: |
±10% (typical value) |
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Connectors: |
Metal BNC/RJ45/ industrial crimp terminals |
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Audio indicators |
Input impedance: |
10K/600/32, balanced/non-balanced |
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Output impedance: |
10K/600/32, balanced/non-balanced |
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Input/output level: |
4Vp-p/12Vp-p |
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Audio bandwidth: |
300 to 3400Hz/20Hz to 20KHz |
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Sampling frequency: |
8KHz/48KHz |
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Quantization rating: |
8bit/24bit |
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Connectors: |
Industry standard terminal /RJ45 |
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Asynchronous data interface |
Physical interface: |
Industry standard terminal /RJ45 |
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RS-485 data interface |
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Data rate: |
DC - 115.2 Kbps/DC - 2 MBPS |
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Data bit error rate: |
<10-12 |
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Maximum number of knots: |
128 knots |
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Maximum distance: |
1,200 meters |
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Data protocol: |
Fully transparent support for any RS-485 protocol |
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Network connection method: |
Support forward/reverse/two-way RS-485, support point-to-point, point-to-multipoint connection |
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RS-422 data interface |
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Data Rate: |
DC - 115.2 Kbps/DC - 2 MBPS |
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Data bit error rate: |
< 10-12 |
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Maximum distance: |
1,200 meters |
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Data protocol: |
Fully transparent support for any RS-422 protocol |
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Network connection method: |
Support point-to-point, point-to-multipoint connections |
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RS232 data interface |
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Data rate: |
DC - 115.2 Kbps/DC - 2 MBPS |
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Data bit error rate: |
< 10-12 |
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Data protocol: |
Fully transparent support for any RS-232 protocol |
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Size/power supply/power |
Free-standing |
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Size: |
121mm(L)*130mm(W)*44mm(H) |
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Power supply method: |
External power adapter,5VDC |
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Maximum power consumption: |
10W |
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Rack type |
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Size: |
2.5U standard, takes up 2 slot slots in 2.5U rack |
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Power supply mode: |
Rack voltage AC-DC 220V/110V, -48V, +24V, +12V optional |
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Maximum power consumption: |
150W(complete frame) |
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