AAL ATM Adaptation Layer(atm 适配层)

APS Automatic Protection Switching（自动保护交换）

ATM Asynchronous Transfer Mode（异步转移模式）

BRAS Broadband Remote Access Server(宽带远程接入服务器)

CAC Connection and Admission Control（连接与接纳控制）

CBR Constant Bit Rate恒定比特率

CDVT Cell Delay Variation Tolerance信元时延变化率

CESoPSN Circuit Emulation Service over Packet-Switched Network

电路仿真业务在数据包交换网络

CLI Command Line Interface命令行界面

CLP Cell Loss Priority信元丢失优先权

CLR Cell Loss Ratio信元丢失率

CTC Common Transmit Clock

CTD Cell Transfer Delay信元传输延迟

DCN Data Communication Network数据通讯网络

DHCP Dynamic Host Configuration Protocol动态主机配置协议

DiffServ Differentiated Services区分服务

DS1 Digital Signal level 1 (T1)数字信号水平

DSLAM Digital Subscriber Line Access Multiplexer

EMS Element Management System网元管理系统

GFC Guaranteed Frame Control保证帧控制

GFR Guaranteed Frame Rate保证帧率