产品描述
16路RS232/485/422 光纤MODEM 提供16路RS232/485/422在光纤中传输，该产品突破了传统串行接口通讯距离与通讯速率的矛盾，同时，也解决了电磁干扰、地环干扰和雷电破坏的难题，大大提高了数据通讯的可靠性、安全性和保密性。
可广泛用于各种工业控制、过程控制和交通控制等场合，特别适合银行、电力及对电磁干扰环境有特殊要求的部门和系统。RS232/RS485/RS422通道可以传输异步从0-115200波特率自适应的串口数据。
功能特点
◆ 基于自主知识产权的集成电路;
◆ 16路串口每１路接口类型RS232/RS485/RS422可选；
◆ 具备自动侦测串口信号波特率的能力;
◆ 串行口接口防雷达到IEC61000-4-5 (10/700μS) 差模:6KV 阻抗(2Ω)；共模:6KV，阻抗(2Ω) 标准;
◆ 串行数通道可以传输异步从300-57.6Kbps波特率自适应的串口数据;
◆ 光接口支持多模双纤、单模双纤、单模单纤三种光纤传输模式，SC/ST/FC/LC接口可选；
◆ 内置电源多种电源方式可选：AC220V、DC-48V/DC+24V／DC+V12等；支持AC+DC;AC+AC;DC+DC等双电源模式；
技术参数
◆ 光纤部分
光纤：单纤双纤
光纤接口：FC/SC/ST/LC(SFP)
波长：850nm/1310nm 多模；1310nm/1550nm 单模
无中继传输距离：20~120Km
典型发射功率:
单模1310/1550nm：≥-9dBm
多模850nm：-18dBm
多模1310nm: -25dBm
接受灵敏度范围：-28dBm~- 40dBm
◆ 串行接口
标准
EIA/TIA-232 RS-232 (ITU-T V.28)
EIA/TIA-422 RS-422 (ITU-T V.11)
EIA/TIA-485 RS-485 (ISO/IEC8284)
串口界面:
RS-422: TxD+ TxD- RxD+ RxD-
RS-485 4 wires: TxD+ TxD- RxD+ RxD-
RS-485 2 wires: A(对应Txd+) B(对应Txd-) Signal Ground
RS-232: RXD TXD Signal Ground
物理接口：RJ45
物理接口：RJ45
◆ 电源需求
系统电源： AC180V ~ 260V；DC –48V；DC +24V
功 耗： ≤3W
◆ 尺寸大小
19英寸1U： 483（宽）X138（深）X44（高）mm
◆ 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.
