中兴认证判断题库

higher microwave frequency, the information capacity is bigger.
1＋1HSB配置下，单端合路器损耗为7dB。| For 1+1 HSB configuration, single port combiner loss is 7dB.
ZXPR10的IDU电源接口中，NC端接-48V。
| For ZXPR 10 IDU power supply port, the NC end is connected to -48V.
中兴微波中的IDU电源位置在MU板子上。
| In ZTE microwave equipment, the location of IDU power supply is on MU board.
should be set to the same with the address of Q interface.
工程安装中，制作完的电缆必须经过万用表测量合格后方可使用。
| In the installation procedure, the hand made cable can be used only after measuring correctly bymultimeter.
中兴的A1版的ODU是长方体形状。
| ZTE A1 version ODU is cuboids shape.
中频电缆不可以和220V电源线缆扎在一起。
| IF cable cannot be bundled with 220V power supply wire.
天线极化孔对准H，属于垂直极化。
| When polarization hole of antenna aims at H direction, this belongs to vertical polarization.
combiner, and connect the waveguide port of combiner with waveguide port of special mounting rack;
then, fix mounting rack on pole by using U-shape pole.
ZXMW-PR10设备允许输入的最大电平是-20dBm
| The maximum input level of ZXMW-PR10 is –20dBm
PDH数字微波主要应用于对网络管理综合能力要求较高的重要通信电路。
| PDH digital microwave are mainly used in the crucial communication circuits that has higher requirements on integration ability of network management.
Antenna is connected with waveguide port of mounting rack by a flexible waveguide.
安装过程中，中频电缆应直接与ODU单元直接连接。
| During the installation process, IF cable should be connected with ODU units directly.
微波链路的主要组成部分是终端站和中继站。
| Microwave link mainly consists of terminal station and repeater station.
SDH数字微波主要应用于通信网络中的骨干传输电路。
|SDH digital microwave are mainly used in the transmission backbone circuit of communication network.
微波链路的主要组成部分是终端站和中继站。
| Microwave link mainly consists of terminal station and repeater station.
SDH数字微波主要应用于通信网络中的骨干传输电路。
|SDH digital microwave are mainly used in the transmission backbone circuit of communication network.
频率越高，需要的菲涅尔半径越小。| The higher operating frequency, the smallerFresnelradius is needed.
ZXPR10（1+1）热备份设备，分离式ODU的安装是：将两个ODU安装在合路器上，并将合路器波导口与专用安装架波导口相连，
使用U型抱杆将安装架固定在杆上。天线和安装架的波导口通过一根软波导相连。
| For ZXPR10 (1+1) hot standby equipment, the installation procedure of divided ODU is: install two ODU on
误码仪中的LOS表示信号丢失，LOF表示帧失步或者帧丢失。
| LOS in Error Code tester means the loss of signal, and LOF means loss of frame.
ZXPR10/1+1的IDU重3.7kg。
| The weight of ZXPR10/1+1 is3.7kg.
设备加电时，将IDU单元开关置于“OFF”，插上电源线插头。先打开机房内开关电源上空气开关，再将IDU单元开关置于“ON
| When turn on power supply, set IDU switch toOFF, and then connect power supply. Next, turn on the circuit breaker of on-off power supply inside shelter first, and then switch IDU toON.
中兴IDU面板DSC接口连接器型号是RJ45
| The model name of DSC interface connector on ZTE IDU panel is RJ45.
驻波比的定义是：行驻波状态时，波腹电压与波节电压之比（VSWR）
| SWR is defined as: for traveling standing wave,
ZXPR10微波在CIT设置中, 要想从本端登陆远端设备,本端的电脑IP地址的设置要同Q Interface保持一致。
| For ZXPR10 microwave equipment, during the setting process of CIT,
if log in remote equipment by log in local, the IP address of local PC
the voltage ratio betweenantinodepoint and node point of wave. (VSWR)
ODU的防水工程中,首先要做的是用防水胶泥将接ODU端的中频电缆密封.
| In the waterproof project of ODU, the first step is that seal IF cable of ODU end by using waterproof mud.
中兴IDU电压范围为-40VDC～-50VDC。
| ZTE IDU power supply range is -40VDC--50VDC.
IDU可以不用接地，因为IDU是装在龙门架上的，机架本身接地。
| IDU does not need grounding because IDU is mounted on 19inch rack and this rack has already been grounded.
ZTE MW PR10环回功能，包括两种模式，本地环回和远端环回。
| ZTE MW PR10 loop back function includes two modes that are inwardloopbackand lineloopback.
STM-1的速率是.155.55M.| The rate of STM-1 is155.55M.
中兴微波设备IDU面板上ALARM/MAINT指示灯中,显示黄灯,说明系统存在次要告警.
| For ZTE microwave equipment IDU, the indicator light on front panel display yellow that means
the system has minor alarm.
ZTE MW PR10环回功能，包括两种模式，本地环回和远端环回。
| ZTE MW PR10 loop back function includes two modes that are inwardloopbackand lineloopback.
STM-1的速率是.155.55M.
| The rate of STM-1 is155.55M.
| ZTE MW Cold Reboot is a kind of cold start that can interrupt the service.
微波工堪中，对于己确定的站点要出具一份完整的工程堪查报告。| Microwave projects survey requires a complete project survey report for certain sites
1+1的链路要在合成器中加3.5dB的损耗，使用软波导要加至少1dB的损耗；
| For 1+1 link, it is necessary to add 3.5dB loss in combiner. For flexible waveguide, at least 1dB loss is needed.