局间中继线 meaning in English

central office line trunk
interoffice trunk

In that sense , it represents a major trend in the exchange network to replace the current 2mbits trunks by stm - 1 links or even faster links
所以，采用stm - 1链路，甚至将来采用速率更高的链路来替代目前的2mbits中继线路作为局间中继线路，是交换网发展的重要方向。
Based on the results , beijing telecom has forwarded its suggestions to relevant vendors , who in turn have made a number of improvements in their later product versions . with the stm - 1 link as the inter - office trunk , the number of ddfs will be markedly reduced , thus saving floor space in the pit and wiping off distribution - related failures . besides , the number of outgoing trunks will be brought down , thus demanding less maintenance staff and improving the maintenance efficiency
交换机利用stm - 1链路作为局间中继线路，可以减少数字配线架ddf的数量与规模，从而大大节省局房占用面积，解决局房面积紧张的问题；还可大大减少配线数量，去除因配线引起的故障；另外，交换机利用stm - 1链路作为局间中继线路，可以减少出局中继线路数量，从而可以减少维护人员对中继线路进行维护的工作量，提高维护效率。