网络释义
1)digital cross connectsystem equipment(SONET-Based),同步光纤网路数位交换连2)Digital Cross Connect System Equipment(SONET-Based),同步光纤网路数位交换连接系统设备3)optical/digital loop carrier equipment(SONET-Based),同步光纤网路光数位回路载4)SMDS,同步光纤网路5)digital cross connect Ssstem equipment(SDH-Based),同步数位阶层数位交换连接6)Digital Cross Connect System Equipment(SDH-Based),同步数位阶层数位交换连接系统设备