求一个跟光端机有关的中英文对照翻译~
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求一个跟光端机有关的中英文对照翻译~
求一个跟光端机有关的中英文对照翻译~
求一个跟光端机有关的中英文对照翻译~
Overview
VBD-S8000 series adopt international advanced digital video transmit technology provides customer with the most cost-effective solution for transmission of 8 channel uncompressed digital video, 4*bidirectional audio, 8*telephone or 8* I/O on-off volume, 1* Ethernet,2*RS485 data signal over one single fiber cable. It is an easy installation and adjustment free device while providing high quality, real-time video. All the optical and the electrical interface accord with the international standard, adapt to different work condition. .
Features
◆ Support four channel video signal transmit
◆ Support video no lose regeneration relay.
◆ Auto compatible, PAL,NTSC,SECAM audio system.
◆ Support standard RS232/422/485 data signal.
◆ Support 1*10/100M Ethernet
◆ Industry level design, high dependability
◆ Independent module or rack mount style
◆ Support custom-tailor and OEM
Specifications
1、Video Port
Number of channels: 8
Video input/output impedance: BNC 75Ω unbalanced interface
Video input/output voltage: Typical peal value 1Vpp,maximum 1.5 Vpp
Video bandwidth: 10KHz ~ 7.5MHzMHZ
Differential gain :67 dB (weighting)
2、Audio Port
Audio input/output impedance: 600Ωbalanced/unbalanced interface
Audio input/output electrical level: Typical 0dBm
Frequency response: 10HZ-24KHZ
Audio digital bit width:24 bits
Signal-to-noise ratio: 75 dB
3、Data Port
Physical interface: industrial wiring terminal,
RS232/485/422 speed:DC-115.2Kbps
RS-422/485protocol: Transparently compatible
connect mode: support direction, reverse,bi-direction RS-232/485/422, support point to point, point to multi-point connect.
4、Ethernet Port Interface: compliance with IEEE 802.3
Support speed: 100Mbps line speed
Duplex: Half/Full auto-negotiation
Connector: RJ-45
Interface speed: 10/100Mbps auto-detection
5、Optical Port
Wavelength: 850/1310nm(multi mode),1310/1550(Single mode)
Receiver Sensitivity≤-36dBm(BER≤10-11)
Connector: FC/SC
一、产品简介
VBD-S8000系列数字视频光端机可在一根光纤上实现可达8路视频、1路以太网、16路双向音频或16路电话或16路双向开关量、2路双向RS485或RS422标准数据传输通道.产品的优化设计保证了在各种恶劣环境下的高可靠性运行.即插即用的设计使得安装更加方便,无需任何光或电的调节.各种状态指示灯提供了快速的系统诊断功能.
二、主要功能与特点
●可提供8路视频
●1路以太网
●16路音频口
●16路开关量
●16路电话
●2路双向RS422或RS485
●以太网接口10M/100M自适应,全/半双工自适应,交叉线/直连线自适应
●语音接口支持来电显示和反极性记费功能,支持各个站点的相互放号功能
●光纤接口FC/SC可选,单纤传输
●安装简易,无需调节
三、技术指标
图象
●视频标准: PAL/NTSC/SECAM
●信号输入:1Vp-p (75ohms非平衡)
●频宽: 8MHz
●微分增益: < 1%
●平坦度: 67dB (加权)
音频
●方向:双向
●数字采样: 16bit @ 48k
●频宽: 10Hz~24KHz
●最大输入输出电压:2Vp-p
●信噪比 (SNR): >75 dB
FXS电话接口
●振铃电压:75V
●振铃频率:25Hz
●二线输入阻抗:600Ω(摘机)
●回损:40db
FXO交换机接口
●振铃检测电压:35V
●振铃检测频率:17Hz-60Hz
●二线输入阻抗:600Ω(摘机)
●回损:40db
数据
●方向:双向
●带宽: 180Kbps
●标准: RS-232/RS-422/RS-485
●误码率: