- DVOP-HM-VA8X8 Audio and video switching matrix
DVOP-HM-VA8X8 series is Shenzhen Guangxiang's high performance and high bandwidth intelligent audio and video switching matrix with complete intellectual property rights. The product is based on HD audio and video ASIC chip, professional ultra HD audio and video processing technology, adopts large-scale high-resolution chip, and has long-term driving function. Using signal long-distance transmission distortion gain compensation technology to achieve audio and video gain compensation, using modular structure design, can provide 8 channels of composite video, 8 channels of stereo LR audio input, 8 channels of composite video, 8 channels of stereo LR audio output, to achieve 8 channels of composite video/audio input and 8 channels of composite video/audio non-blocking cross-connection. The device has a high video bandwidth of 500M to achieve distortion-free video cross-connection, supports local control keyboard control, infrared controller remote control, and also has a RS232 serial communication interface for local and remote control. The device has a unique RS232 communication interface. With the corresponding software, the real-time switching control of the input/output optical signal and the query of the device status can be conveniently realized by the GUI man-machine interface in the computer management side. The device provides an open communication control protocol, which is convenient for the remote implementation of the switching and cross-connection management of ultra-clear audio and video in the higher-level management software. DVOP-HM-VA8X8 built-in 8 groups of round-robin switching function, can set any interval time and channel; Built-in 50 group timing switch function, can set the time and channel arbitrarily; Built-in 32 scenario control storage modes.
● 8 composite video signal input; 8 channels composite video signal output, can be fully cross-switched
● 8 stereo audio input,8 stereo audio output; Can be fully cross-switched with video synchronous or asynchronous
● Adopt the latest 32-bit ARM9 embedded processor
● Video with ultra-high bandwidth :500MHz
● Large-scale high-resolution chip, with long-term drive function
● Using signal long-distance transmission distortion gain compensation technology
● Digital synchronous identification processing (DSIP) technology
● Programmable logic array circuit (CPLD), more stable performance
● Built-in 8 groups of round-robin switching function, can be arbitrarily set interval time and channel
● Built-in 50 group timing switching function, can set the time and channel arbitrarily
● Built-in 32 scene control storage modes
● Using double serial loop connection technology, 99 matrices can be controlled in one RS-232 serial port
● Compatible with the codes and instructions of all similar products in the market
● Unique TCP/IP network control management function, can be controlled through Ethernet
● Full SMD process, unique ESD electrostatic protection function
● Dual-core processing technology is used in this product design, with better overall performance, and in concurrent multitasking, it will be reasonable coordination according to each different needs
● This product is a highly reliable intelligent equipment, the design adopts fault tolerance technology, and can self-judge the fault point, enable the standby circuit, and the use of high anti-interference ability of the communication interface circuit, to ensure the reliability of communication
● With infrared remote control function and RS232 communication function, the user can easily complete the signal switch during the demonstration process, and can be easily used with the computer, remote control system or various central control system equipment (such as and other control systems)
● This product has the functions of power switch memory protection, LCD LCD display and so on
● Universal wide voltage switching power supply design, can adapt to AC 100 ~ 240V, 50/60Hz
● High quality, mass production, high compatibility and stability, high cost performance
① Video indicator
Video bandwidth :500MHz
I/O impedance: 75Ω
Differential phase I/0S <1.28 degrees, 3.58MHz
Differential phase error 0.1%, 3.58-4.43MHz
Differential gain error 0.1 degree, 3.58-4.43MHz
/ SECAM video formats: NTSC3.85 / NTSC4.43 / PAL
Luminance chrominance interference: < -80dB@100KHz, full load
Return loss: -30dB@5MHz
Video crosstalk: < 45dB@5MHz;
Video SNR: 78dB;
Synchronous phase lock: 0.3V-0.4Vp-p
Maximum DC compensation: 1.5V
Signal type: RGsB, Composite video, S-video, Component video, HDTV
② Video input:
Connector :RCA interface (8 series) BNC (16/24/32/64 series)
Standard level :1.0Vp-p@Video
Minimum/maximum level range: analog 0~1.0Vp-p without offset
Impedance :75Ω
Return loss :30dB@5MHz
③ Video processing:
Digital decoding :9Bit
Digital sampling :24Bit, 8Bit per color, 13.5MHz standard
Color :16.78 million
Switching: interfield spacing
④ Video output:
Connector :RCA interface (8 series) BNC (16/24/32/64 series)
Format: NTSC3.85 / / SECAM NTSC4.43 / PAL
Standard level :1.0Vp-p@Video
Output impedance :75Ω
Switching type: Switching during field blanking
⑤ Output range:
HDTV 480p, 576p, 720p, 1080i, 1080p
⑥ Synchronization signal:
Format: NTSC3.85 / / SECAM NTSC4.43 / PAL
Input level: 0 V~1.0 Vp-p
Output level: TTL 5.0 Vp-p
Input impedance: 75Ω
Output impedance: 75Ω
Maximum propagation delay: typical 20ns
Maximum input voltage: 5 Vp-p
⑦ Audio technical parameters:
Gain: unbalanced output 0dB, balanced output +6dB
Frequency response range: 20Hz~100KHz (-3dB)
Total harmonic distortion: 0.03%@1KHz standard level, 0dB gain
SNR: >90dB, maximum level output
Channel crosstalk: <-80dB@1KHz, full load
Common mode rejection ratio: > 75dB@20Hz ~20kHz
Stereo channel isolation: >80dB@1KHz
⑧ Audio input:
Input quantity and type: Stereo, balanced/unbalanced input
Input connector: RCA interface
Input impedance: >50KΩ non-equilibrium, 25KΩ balanced
Maximum level: +19.5dBu, balanced/unbalanced, standard SNR
⑨ Audio output:
Output quantity and type: Stereo, balanced/unbalanced output
Output connector: RCA interface
Output impedance: balanced 100Ω, non-balanced 50Ω
Channel and channel gain error: ±0.1dB
Maximum level: High resistance >+24dBu,
Standard SNR: 600Ω>+15dBm Standard SNR
⑩ Control mode:
1. Manual button
2, infrared remote control
3. RS-232 protocol
⑪ Baud rate and protocol:
Serial control interface: RS-232, 9-pin male D type interface
Baud rate: 1200 ~ 38400 (system default: 9600),
Data bits: 8 bits,
Stop bit: 1,
Check bit: No pair
Device address code: 1 ~ 99
Infrared control: IR-200 remote control
Serial control interface structure: 2 = TX, 3 = RX, 5 = GND
Control program: Version 3.0
⑫ Rule:
Power supply: 110 ~ 220VAC, 50/60 Hz
Power rate: 50W
Temperature: -30° ~ +80°C
Humidity: 10% ~ 90%
Size: 48cm x 30cm x (8-44) cm
Weight: 5.5-15 kg
Outer shell: metal material
Rack mounting: Standard U
Vibration :ISTA 1A (International Safe Shipping Association)
Compliance standard :CE/FCC Class A /VCCI/AS/NZS/ICES
Mean Time between failures (MTBF): 35,500 hours
