This paper described studying of ont ( optic network terminal ) in the apon system . this project originated form the high - tech project of jiansu province . title : studying and exploitation to the ont of oan 课题源于江苏省高技术项目，项目名称为基于异步传输模式的无源光网络系统( apon )中光网络终端的研制，项目代号： bg2001046 。
The purpose of this paper is to design a communication platform adapt to middle / low layer applications . it can support data transform between ethernet , isdn and atm networks , and network terminal equipment with rs232 , rs485 and usb interfaces 本文的目的是设计一种适合于中低端应用的通信平台，可支持如ethernet 、 isdn 、 atm网络之间的数据传输，以及具有rs232 、 rs485 、 usb等接口能力的网络终端。
Counter transfer is a service whereby a client completes a trust order , and the bank ' s teller helps the client transfer the funds of traded securities or foreign exchange inwards or outwards through the networked terminal to facilitate the client trade securities or foreign exchange 柜台转账是客户填写转账委托书，由银行柜台工作人员通过电脑联网终端，帮助客户进行买卖证券或外汇的资金转出转入，以方便客户买卖证券或外汇的服务。
Ont in apon system is an intelligent wide band network terminal appliance , which can make the fiber come to house . it has the function like set - top - box , which is located at home and has interface with all kinds of service appliances , such as tv , telephone , computer and so on 它是apon系统中置于用户家中的多媒体设备，可将图像、语音、数据等不同带宽的业务分配至家庭的不同终端(如电视机、计算机、电话等) ，具有类似于机顶盒的功能，但其所提供的容量和业务质量都优于现有的机顶盒。
