1)TLAP Token Talk Line Access Protocol,象征性聊天链路访问协议2)LLAP Local talk Link Access Protocol,本地聊天链路访问协议3)LAP-B Link Access Protocol-B,链路访问协议B4)link access protocol (LAP),链路存取<访问>协议5)link access protocol-balanced,LAPB,平衡链路访问协议6)infrared link access protocol(IrLAP),红外链路访问协议
