产品描述
1-8路综合复用音频光发射机/接收机采用数字编码技术,音频接口为XLR(卡侬座),可将音频信号、数据信号、开关量信号及以太网信号通过一根单模光纤实现远距离双向传输,最大可将信号不失真无中继地传输100Km。音频接口采用24Bit AD/DA,128K采样,演播级传输质量。
音频光端机均由光发射机和光接收机组成,可以配置成4路双向音频与8路单向音频方式。
功能特点
◆ 全数字光纤传输平台、同平台多业务灵活配置;
◆ 音频接口为XLR卡侬头平衡接口,音频供电电源为大功率环形变压器,+-18V供电,高动态范围;
◆ 可提供普通型台式迷你型台式,集中插卡式机架多种方式;
◆ 数据接口与音频接口提供三级防雷功能,能通过ITU-T K.21(10/700 μS),共模:6KV,阻抗(40 Ω)的测试;
◆ 单纤传输,可选双纤;
◆ 可以检测收无光时,远端设备是掉电或断纤;
◆ 音频采用24Bit AD/DA,128K采样,演播级传输质量;
◆ 提供双向异步数据(正向和反向);
◆ 异步数据,传输速率110-115.200Kbps以上;
◆ 异步数据可为RS232/RS485/RS422/ Manchester码;
技术参数
◆ 光纤部分
多模光纤:
50/125um 或 62.5/125um,
最大传输距离 5Km@ 62.5/125um单模光纤,衰减(3dbm/km )
波长: 820nm
发射功率: -12dBm (Min) ~ -9dBm (Max)
接收灵敏度: -28dBm (Min)
链路预算: 16dBm
单模光纤:
8/125um, 9/125um,
最大传输距离 40Km(实际如需更大距离需定制)
传输距离: 40KM@9/125um 单模光纤,衰减(0.35dbm/km )
波长: 1310nm
发射功率: -9dBm (Min) ~-8dBm (Max)
接收灵敏度: -27dBm (Min)
链路预算: 18dBm
[注:用户可选择单纤双向的单模或多模的光模块]
◆ 音频接口
信号电平: 0.5-4Vp-p
输入/输出阻抗: 600Ω(非平衡或平衡)
带宽: 20Hz-20KHz
总谐波失真: <1%
音频A/D: 24bit
信噪比(SNR):>85dB
连接端子: RCA
◆ 电器和机械特性
电压: AC165V ~ 265V;DC –48V;DC +24V
功耗: ≤10W
独立安装尺寸: 445(长)*45(高)*202(深)
重量: 2.0kg
◆ 工作环境
工作温度: -10℃ ~50℃
工作湿度: 5% ~ 95% (无凝露)
存储温度: -40 ℃~ 80℃
存储湿度: 5%~ 95% (无凝露)
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.