toll center 中文意思是什麼
toll center
解釋
長途總局-
We installed standalone exchanges in the press center that were equipped with pstnisdn interfaces to provide such services as international switching, toll switching, local hubbing and local switching. the international switching capacity reached 30, 000 circuit ports, and the toll switching capacity amounted to 126, 000 circuit ports
我們專門在新聞中心設立了獨立的交換機，採用Ｐ Ｓ Ｔ Ｎ Ｉ Ｓ Ｄ Ｎ業務介面，分別提供國際交換、長途交換、本地匯接和本地交換等業務，其中國際交換容量達到３萬路端，長途交換達到12 -
Toll collection system has 3 - layer tree structure : toll collection center, toll collection station and driveway toll
收費系統分為收費中心、收費站和收費車道三層樹狀結構的收費系統模式。 -
Chongqing expressway networking toll data communication network cotains 2 - ring and 8 - ray network structure based on expressway physical structure, setting up a trasmission trunk layer of sdh stm - 4 ( can be up - graded to stm - 16 ), and channel protection business entry layer consisting of sdh onu / olt stm - 1 ( can be up - graded to stm - 4 ). data exchange layer, through ip route exchange network above sdh network, forms 3 - level computer network structure of account settlement center - road section management company - toll station. to ensure obtaining original and reliable toll data from communication network, 2m circuitous chain is established between each toll station, accountsettlement center and road section management company, and also pstn dialing backup chain is set up between toll station and account settlement center. in order to maintain clock synchronization of the whole communication network, a proposal of sub - stage clock sychrononization signal network for differet network construction scale has been put forward in this design. in view of sensitivity and importance of toll data, this design particularly gives considerations of network safety and information safety for external and internel of network. therefore, communication safety, smoothness and reliability of networking toll system can be able to maintained in many ways
重慶高速公路聯網收費數據通信網的結構是根據高速公路的物理結構構築了2環8射的網狀結構，建立了以sdhstm - 4 （可升級到stm - 16 ）的傳輸主幹層，以sdhonu / oltstm - 1 （可升級到stm - 4 ）組成的通道保護業務接入層。數據的交換層是在sdh網之上的ip路由交換網，形成了結算中心-路段管理公司-收費站之間的3級計算機網路結構。為從通信網路上保證收費數據的原始性和可靠性，每個收費站和結算中心、路段管理公司之間建立了2m迂迴鏈路，同時在收費站和結算中心之間建立了pstn的撥號備份鏈路。 -
The shanghai - based fuji xerox center for customer telephone service provides, through our 800 toll - free telephone, all fuji xerox terminal users and authorized servicing stations throughout the country comprehensive services ranging from machine repair, online technical advice, vip customer service to sales of consumable materials and spare parts
該中心設立於上海，通過800全國免費電話向富士施樂的用戶及授權維修站提供機器報修，在線技術支持與咨詢， vip客戶服務，耗材及零配件銷售等全方位的售後服務。 -
2. describe the three - tie network architecture of network toll sysytem and introduce the network architecture of settlement center
2 .描述聯網收費系統的三層網路結構，提出結算中心網路結構。
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