A.Abis接口處理板,即BIPB2(AbisInterfaceProcessingBoard2) B.BSCIP接口板,即BIPI(BSCIPInterfaceboarD. C.LAPD處理板,即LAPD2 D.雙速率變換板,即DRTB2(DualRateTranscoderBoard2)
A.控制框BCTC B.資源框BGSN C.分組交換框BPSN D.基帶框BABN
A.RGUM1 B.RGUM2 C.RUIM1 D.RUIM2