模拟中继模块: KX-TDA0181CX 16路外线模块 16-Port Analogue Truck Card KX-TDA0180CX 8路外线模块 8-Port Analogue Truck Card 数字中继模块: KX-TDA0284XJ 4端口(8话路)BRI中继模块 4-Port ISDN BRI CardKX-TDA0288XJ 8端口(16话路)BRI中继模块 8-Port ISDN BRI Card KX-TDA0290CJ 30路PRI中继模块Primary Rate Interface(PRI)Card(PRI30) KX-TDA0188CX E1(30路)中继模块 E1 Truck Card KX-TDA0184XJ 8路E M模块8-Port E M Truck CardKX-TDA0105XJ 内存扩充卡 Memory Expansion Card(MEC)