1·Reasonable use of SACETRA source is very important in the maintenance of large capacity S1240 SPC exchange systems.
合理使用SACETRA是维护大容量s1240程控交换机的一项重要工作。
2·This article describes the management, extending methods and attentive problems for the internal storage of NEAX61E SPC exchange.
描述了NEAX61E程控交换机内存储器的管理、扩充方法和注意事项。
3·The common faults of S1240 (ELC type) SPC exchange are in user mod ul e, relay module and metering module in daily maintenance work.
在对S1240 (elc型)程控交换机进行日常维护时，常见故障有用户模块、中继模块和计费模块的故障。
4·This paper describes the development and realization of CPM on the basis of introducing a large capacity digital SPC exchange system.
本文在简要介绍某大型数字程控交换机系统的基础上叙述了其通信处理模块的研制与开发工作。
5·This paper reports a multi-feature stored program controlled (SPC) switching system which has voice and data exchange feature and multi-interface.
本文介绍一种具有话音和数据交换功能且具有多种用户接口的多功能交换系统。