电子信息工程专业英语第12章 ISDN

1、Unit 12 ISDN Unit 12 ISDN Passage A Introduction of ISDN Passage B ISDN Multimedia Services Passage C ISDN Evolution and its Benefits Unit 12 ISDN Passage A Introduction of ISDN Imagine a network that would break down the walls of classrooms, letting teachers, students, and staff directly access com

2、puter-based resources and other communications facilities. 你可以想象这样一个网络，它可以打破教室的界限，使你可以想象这样一个网络，它可以打破教室的界限，使 得老师，学生，和职员可以直接使用以计算机为基础的得老师，学生，和职员可以直接使用以计算机为基础的 资源和通信设备资源和通信设备 accesses：kses n.入口，出口；接近，进入；增长；爆发入口，出口；接近，进入；增长；爆发 vt.接近，进入；接近，进入；使用使用，接近，获取，接近，获取 Unit 12 ISDN This network could enhance commu

3、nications between teachers and staff, allowing students to gain more of their teachers time for instruction, personal attention, and an enriched curriculum.1 teachers：复数名词作定语，修饰：复数名词作定语，修饰times，译：老师的时间，译：老师的时间 gain：vt. the display and the telephone call could both be forwarded to another agent, if n

4、ecessary. 当你询问一个用户的业务代理时，用户记录会自动出现在代当你询问一个用户的业务代理时，用户记录会自动出现在代 理人终端屏幕前。如果需要，屏幕显示和电话被转发到另一理人终端屏幕前。如果需要，屏幕显示和电话被转发到另一 个代理人那里。个代理人那里。 be forwarded:被转发被转发 Unit 12 ISDN Claims processing could be expedited by improving communications between the agent, customer, and claims adjuster. Independent agents co

5、uld access insurance company databases to quickly examine different policy plans and costs. claims processing：索赔处理：索赔处理 expedite：加快进展，迅速完成加快进展，迅速完成. be expedited：加快：加快 claims adjuster：理赔师，理赔调解人理赔师，理赔调解人 policy plans：政策计划，这里指投保方案。政策计划，这里指投保方案。 索赔处理可以通过增强代理人、客户、理赔师之间的交流来加速索赔处理可以通过增强代理人、客户、理赔师之间的交流来加速

6、执行。独立代理人能够进入保险公司数据库以便快速查询不同投执行。独立代理人能够进入保险公司数据库以便快速查询不同投 保方案的价格。保方案的价格。 Unit 12 ISDN Communications between the home office, branch agencies, benefits office, and various customers could be more easily arranged. All offices in a given area could be tied together in a citywide Centrex, bringing remot

7、e sites closer together. Arrange：rend 把把系统的分类，整理系统的分类，整理 tie together 捆在一起，（使）联系在一起捆在一起，（使）联系在一起 remote site 计算机计算机 远地，远程位置，偏远场地远地，远程位置，偏远场地 Centrex 中央交换机，虚拟交换机中央交换机，虚拟交换机 总部，代理机构分支，保险理赔部门和各类用户之间的交流将总部，代理机构分支，保险理赔部门和各类用户之间的交流将 变得很容易。在一个固定地区的所有办公地点可以通过一个市变得很容易。在一个固定地区的所有办公地点可以通过一个市 区范围的虚拟交换机联系在一起，并使他

8、们与较远网点的联系区范围的虚拟交换机联系在一起，并使他们与较远网点的联系 变得更紧密。变得更紧密。 Unit 12 ISDN PC-to-PC networking, 3270-connnectivity, access to X.25 packet networks, and Group 4(digital) facsimile transmission could all be supported. 端对端的网络，端对端的网络，3270连接器，连接器，X.25分组网络，以及四次群（数字）分组网络，以及四次群（数字） 传真发送现在都可以实现。传真发送现在都可以实现。 Unit 12 ISDN

9、 Imagine a network that would streamline the operation of a hospital, allowing more efficient delivery of health care. The network could provide communications between major medical centers, community hospitals, and doctors offices. 你可以想象一个网络，他可以使医院的管理更加高效，使你可以想象一个网络，他可以使医院的管理更加高效，使 健康护理工作更加高效的进行。这个

10、网络可以为主要的中健康护理工作更加高效的进行。这个网络可以为主要的中 心医院，公立医院，各诊所之间提供信息交流。心医院，公立医院，各诊所之间提供信息交流。 streamlinestrimlan 使现代化，使简单化。使现代化，使简单化。 operation 经营，操作经营，操作 delivery 传送，投递，传送，投递， health care 健康护理健康护理 Unit 12 ISDN artificial intelligence 人工智能 Central databases and medical artificial intelligence (AI) systems could be

11、made more generally available, even to health care centers with imited financial resources. Databases could make the posting and tracking of patient care as well as billing easier and more accurate. 中心数据库和医疗人工智能系统的使用可以变得更加广泛。即使中心数据库和医疗人工智能系统的使用可以变得更加广泛。即使 对经济条件有限的健康中心亦如此。对经济条件有限的健康中心亦如此。 Unit 12 ISD

12、N 此外，万一重新住院或者转院，他的私人医生和下一家医院此外，万一重新住院或者转院，他的私人医生和下一家医院 都可以看到这些信息。都可以看到这些信息。 Furthermore, this information would be available to the patients private physician and to this (or another) hospital in case of a subsequent readmission or transfer to another facility. Unit 12 ISDN Teleconferencing and elec

13、tronic mail could enhance staff training and communications, making new medical technologies and protocols more generally available. Inventory control and access to needed equipment could be more simply handled using a centralized computer-based system. staff training 员工培训员工培训protocol prut , k:l n.草

14、案，协议草案，协议 电话会议和电子邮件可以加强全体医务人员之间的通信，并加强电话会议和电子邮件可以加强全体医务人员之间的通信，并加强 对他们的培训工作，使新的医疗技术和规范得到更加普遍的应用。对他们的培训工作，使新的医疗技术和规范得到更加普遍的应用。 Inventoryinvntri n.存款目录，存货清单存款目录，存货清单 Inventory control and access清单控制和使用清单控制和使用(访问访问) 使用一个集中的计算机系统使用一个集中的计算机系统 使清单控制和访问所需设备变得更使清单控制和访问所需设备变得更 加容易。加容易。 Unit 12 ISDN 无论院外的病人在哪

15、里，要对其监护只需要通过一个电话呼叫，无论院外的病人在哪里，要对其监护只需要通过一个电话呼叫， 便可得到更快的急救处理，可以缩短其住院时间，加快病情恢便可得到更快的急救处理，可以缩短其住院时间，加快病情恢 复。复。 Outpatient monitoring could be only a telephone call away , regardless of the patients location, allowing faster response to potential emergencies, shorter hospital stays, and faster recovery

16、times. monitoring 监控，追踪监控，追踪 regardless of 不管，无论不管，无论 potential 潜在的，潜在的， emergencies 紧急事件紧急事件 Unit 12 ISDN Imagine a network that would bring simultaneous voice and data applications to the home. A central computer could control telephone ringing, temperature, lighting on a room-by-room basis, and t

17、he operation of home appliances. simultaneously 同时发生的同时发生的 telephone ringing电话铃声电话铃声 lighting 照明照明 home appliances . 家用电器家用电器 你可以想象这样一个网络，他可以同时为每个家庭提供语你可以想象这样一个网络，他可以同时为每个家庭提供语 音及数据服务。中心计算机可以控制电话铃声，温度，房音及数据服务。中心计算机可以控制电话铃声，温度，房 间的照明和其他家用电器的操作。间的照明和其他家用电器的操作。 Unit 12 ISDN remotelyrimutli adv.adv.遥远地；

18、偏僻地；冷淡地；极小地遥远地；偏僻地；冷淡地；极小地 This computer could be controlled remotely by the user via the network. Other services might include call 、 forwarding, call waiting, and special telephone ring signals, all tailored dynamically by the user depending upon the telephone number of the calling party. 用户可以通过网络

19、对计算机进行远程控制，其他服务包括呼叫用户可以通过网络对计算机进行远程控制，其他服务包括呼叫 转移，呼叫等待及特殊铃声信号等，用户都可以根据主叫的电转移，呼叫等待及特殊铃声信号等，用户都可以根据主叫的电 话号码进行灵活定制（灵活设置）话号码进行灵活定制（灵活设置） Unit 12 ISDN Two-way television 双路电视双路电视 easy access to data and video services 快捷访问数据图像服务快捷访问数据图像服务 Two-way television and easy access to data and video services coul

20、d all be available. Banking, insurance, and utility companies could design applications to take advantage of this network to provide better and more efficient service to the customer in the home. 双路电视以及快捷访问数据图像服务都可以实现。双路电视以及快捷访问数据图像服务都可以实现。 utility company公用事业公司公用事业公司 银行业，保险业，以及公用事业公司可以设计各种应用以银行业，保险

21、业，以及公用事业公司可以设计各种应用以 便能充分利用网络，为那些在家的用户提供更好的，更有便能充分利用网络，为那些在家的用户提供更好的，更有 效的服务。效的服务。 Unit 12 ISDN scenariosinriun.设想，剧本，可能发生的情况设想，剧本，可能发生的情况 idealistic adj.理想主义的理想主义的；空想家的；唯心主义的；唯心论的；空想家的；唯心主义的；唯心论的 futuristic adj.未来派的；极其前卫现代的未来派的；极其前卫现代的，幻想未来的，幻想未来的 implementation n.履行；实施履行；实施 While these scenarios ma

22、y sound idealistic and futuristic, they are very real possibilities with the implementation of ISDN. 这些设想听起来比较理想和不切实际，但是这些设想听起来比较理想和不切实际，但是ISDN的实现使这一切的实现使这一切 真正成为可能。真正成为可能。 Unit 12 ISDN trials 试用期，实验，试用期，实验， More than 100 ISDN trials or service implementations comprising more than 100,000 lines alre

23、ady exist today in Canada, England, France, Japan, the United States, Germany, and other countries. 在加拿大，英国，法国，日本，美国和其他国家，已经拥有在加拿大，英国，法国，日本，美国和其他国家，已经拥有 超过超过100个个ISDN试验点或业务，他们已经占用了多余试验点或业务，他们已经占用了多余100000 条的线路条的线路 Unit 12 ISDN ISDN is here. The capabilities mentioned in the paragraphs above are all

24、possible; it remains only for the applications and products to be designed to take advantage of this communications technology.3 ISDN 就在眼前。上面所提到的所有功能都是可以实现的；目就在眼前。上面所提到的所有功能都是可以实现的；目 前要做的只是开发和设计应用产品以更好地使用这个通信技前要做的只是开发和设计应用产品以更好地使用这个通信技 术。术。 mentioned in the paragraphs above 在上文提到的在上文提到的 remain vi. i

25、t remains only for the applications and products to be designed to take advantage of this communications technology. 以上各段提到的功能都是可能的，所剩下的只是更好地 运用通信技术来设计产品并应用它们。 Unit 12 ISDN Exercises 1. Fill in the blanks. (1) Computer-aided instruction (CAI) and computer-based teaching and grading could be enhanced

26、, allowing better courses and tracking of and individual students progress. (2) Outpatient monitoring could be only a telephone call away, regardless of the patients , allowing faster response to potential emergencies, shorter hospital stays, and faster recovery times. (3) ISDN provides end-to-end c

27、onnectivity to support a wide range of . (4) The ISDN access path acts as a level to the customers premises. Unit 12 ISDN 2. True/False. (1) Independent agents could not access insurance company databases to quickly examine different policy plans and costs.( ) (2) Some services such as call forwardi

28、ng, call waiting, and special telephone ring signals, all tailored dynamically by the user depending upon the telephone number of the called party.( ) (3) Each new service, such as telex service or CATV service, requires an additional communications path, different protocols and different network fa

29、cilities. ( ) Unit 12 ISDN (4) Each service might still be provided by a separate sub- network, if there are multiple sub-networks embedded within the ISDN, they will be transparent to the user, that means the user will only see a single access port and single set of protocols to request service.( )

30、 (5) The ISDN standards describe the services that may be offered, they also describe their implementation or applications that use the services.( ) Unit 12 ISDN (6) The revolution that will occur will be by the users and in the way they perceive the “telephone company” as a communications service provide.( ) (7) ISDN is just a European and North American idea, and it is not a scheme of only academic interest or a play of the telephone companies to generate more revenue.( ) Unit 12 ISDN 3. Fill in the blanks with the best choice. (1) PC-to