模擬中繼模塊: KX-TDA0181CX 16路外線模塊 16-Port Analogue Truck Card KX-TDA0180CX 8路外線模塊 8-Port Analogue Truck Card 數(shù)字中繼模塊: KX-TDA0284XJ 4端口(8話路)BRI中繼模塊 4-Port ISDN BRI CardKX-TDA0288XJ 8端口(16話路)BRI中繼模塊 8-Port ISDN BRI Card KX-TDA0290CJ 30路PRI中繼模塊Primary Rate Interface(PRI)Card(PRI30) KX-TDA0188CX E1(30路)中繼模塊 E1 Truck Card KX-TDA0184XJ 8路E M模塊8-Port E M Truck CardKX-TDA0105XJ 內(nèi)存擴(kuò)充卡 Memory Expansion Card(MEC)