产品描述
本系列设备是本公司研制的专用超大规模集成电路的基础上开发的点对点E1传输设备。本产品为19英寸 1U高度,提供60路电话与2E1传输接口,应用十分灵活。
设备电部分为全数字电路,整机工作可靠、稳定,功耗低,集成度高,体积小,易于安装维
功能特点
◆ 基于自主知识产权的集成电路;
◆ 19英寸 1U高度,节省用户机柜空间;
◆ 语音口支持FXO口/FXS/2线音频/磁石接口,FXO口与程控交换机对接,FXS口与用户的电话机相连;
◆ 2E1传输接口,60路语音接入,支持来电显示功能/反极性计费/传真功能;
◆ 支持各个站点的相互放号功能;
◆ E1接口符合G.703 建议,采用全数字化时钟恢复和平滑锁相技术;
◆ 多种电源方式可选:AC220V、DC-48V/DC+24V等;支持AC+DC;AC+AC;DC+DC等双电源备份模式;
◆ 电话接口带防雷保护,防雷达到GB/T17626.5(IEC61000-4-5) 短路电流波10/700μs,开路峰值输出电压6KV标准;
◆ 语音口支持FXO口/FXS/2线音频/磁石接口,FXO口与程控交换机对接,FXS口与用户的电话机相连;
◆ 2E1传输接口,60路语音接入,支持来电显示功能/反极性计费/传真功能;
◆ 支持各个站点的相互放号功能;
◆ E1接口符合G.703 建议,采用全数字化时钟恢复和平滑锁相技术;
◆ 多种电源方式可选:AC220V、DC-48V/DC+24V等;支持AC+DC;AC+AC;DC+DC等双电源备份模式;
◆ 电话接口带防雷保护,防雷达到GB/T17626.5(IEC61000-4-5) 短路电流波10/700μs,开路峰值输出电压6KV标准;
技术参数
◆ E1 接口
设备接口: 设备接口符合G.703建议
速 率: 2048Kb/s±50ppm
码 型: HDB3
阻 抗: 非平衡式 75Ω/平衡式 120Ω
非平衡式配同轴接口适配器,可适配75-2/3同轴电缆
抖动特性: 满足G.742、G.823建议
输入口允许衰减:0~6dBm
◆ FXS 用户电话口
振铃电压: 75V
振铃频率: 25Hz
二线输入阻抗:600Ω(摘机)
回损: 20dB
◆ FXO 中继口
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: 20 dB
◆ E&M 2/4线音频接口
E&M类型: TYPE V
E线最大电流:22mA;饱和电压:3V
M线恒定电流:7mA; 最小检测电流:5mA
AD增益:0dB;
DA增益:0dB
2/4线输入阻抗:600Ω
◆ 磁石电话接口
振铃电压:75V
振铃频率:25Hz
二线输入阻抗:600Ω(摘机)
回损:20dB
◆ 电气和机械特性
系统电源: AC180V ~260V;DC –48V;DC +24V
功耗: ≤20W
外观结构: 485(长)X200(宽)X45(高)mm 19英寸 1U机架式
◆ 环境指标
工作温度: -10℃—+60℃
储存温度: -40℃—+85℃
工作湿度: 0%—95%(无凝结)
MTBF: >100000小时
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.