华为NodeB的内部结构和单板介绍

NAOI

NodeB ATM Optical Interface unit

NodeB ATM光接口板

NDCS

NodeB DC Switch

NodeB直流电源开关盒

NDDL

NodeB Dual Duplexer & Low-noise amplifier module

NodeB双双工低噪放模块

NDLP

NodeB Down Link Processing Unit

NodeB下行链路处理单元

NDTI

NodeB Digital Trunk Interface unit

NodeB数字中继接口单元

NFAN

NodeB FAN box

NodeB风扇盒

NIFP

NodeB Interface Processing Unit

NodeB接口处理单元

NLPA

NodeB Linear Power Amplifier module

NodeB线性功放模块

NMON

NodeB Monitor unit

NodeB监控板

NMPT

NodeB Main Processing & Timing unit

NodeB主控时钟板

NTRX

NodeB Transceiver module

NodeB收发模块

NTTA

NodeB Tower Top Amplifier Module

NodeB塔顶放大器模块

NULP

NodeB Uplink Processing Unit

NodeB上行链路处理单元