bts fe1/v.35 series converter, which can realize the converting from n*64k(n=1~31) framed e1 and 2048kbps unframe e1 to v.35 interface, so as to provide v.35 interface for e1 access network and provide the method of access for equipment with v.35 interface, such as router with v.35 interface.we also provide card style fe1/v.35 converter for our centralized chassis chas02 which is easy to maintain and to realize unified network management so as to save investment on the project. ----------- svpe(super virtual ethernet equipment)series product is a kind of reverse multiplexer that converting from ethernet traffic to tdm code stream so that ethernet service can transmit over e1 transmission network to the peer end of local svpe equipment. besides single e1 to ethernet converter, we also provide multiple e1s to ethernet converters for certain demands from our customers, the latter is actually utilized in order to build broadband ethernet using cheap e1 resource instead of expensive e3 resource. taking benefits from reasonable design or architecture, our svpe series equipments not only have no special requirements for the latency of e1 channels, but also can realize automatical fault tolerance for e1 channels so even when some of the e1 channels of our multiple e1s to ethernet converter fail, the normal data traffic shall not break down,instead, the through-put decreases. the svpe series product is featured by flexible configuration, easy maintenance and complete management functions, we also provide plug-in service cards that have all the functions of standalone svpe series equipments, with the "k" prefix in the model name of that of corresponding standalone svpe series equipments,the plug-in service cards can be plugged into our company's chas02 central chassis designed for center office.svpe equipment is widely used in the broadband access of enterprises, colleges, and netbars, and the interconnecting of two wlans, in applications of which the svpe equipments play the role of traditional e1 to 10base-tx converter. ----------- and others....