A.具有TDM業(yè)務(wù)、ATM業(yè)務(wù)或以太網(wǎng)業(yè)務(wù)的接入功能 B.具有TDM業(yè)務(wù)、ATM業(yè)務(wù)或以太網(wǎng)業(yè)務(wù)的傳送功能 C.具有ATM業(yè)務(wù)或以太網(wǎng)業(yè)務(wù)的帶寬統(tǒng)計(jì)復(fù)用功能 D.具有ATM業(yè)務(wù)或以太網(wǎng)業(yè)務(wù)映射到SDH虛容器的指配功能
A.傳輸、復(fù)用、分插復(fù)用和交叉連接 B.傳輸、同步、交叉連接和網(wǎng)絡(luò)保護(hù) C.傳輸、波分復(fù)用、交叉連接和網(wǎng)絡(luò)管理 D.網(wǎng)絡(luò)管理、映射、定位和復(fù)用
A.850nm,1310nm,1550nmB.8.5\mum,1.31\mum,1.55\mumC.850m,1310m,1550mD.850mm,1310mm,1550mm