Thursday, September 22, 2022
Tuesday, September 20, 2022
复用是一种使多个低阶通道层信号适配进高阶通道或将多个高阶通道层信号适配进复用层的过程,基本方法是字节间插,也称正码速调整...
Wednesday, September 21, 2022
G.655在1530~1565nm之间光纤的典型参数为:衰减<()dB/km;色散系数在1~6ps/nm•km之间。...
Thursday, September 22, 2022
解释ZXMP-S200-SMB板的”SMBxD75E0”的意思?...
Saturday, September 17, 2022
Thursday, September 22, 2022
当II型机子架上03、23、14、34这四个板位安装了622M速率的光板后,02、22、15、35这四个板位便不能安装任...
Wednesday, September 21, 2022
Thursday, September 22, 2022
Wednesday, November 15, 2023
Thursday, September 22, 2022
Thursday, December 1, 2022
ZXSM-10G系统使用G.652光纤传输,改善色散受限距离,下列哪个方法没有用到()。...
Thursday, September 22, 2022
单选题光纤WDM中的中同轴电缆1800路FDM模拟技术,每路电话()。A 2kHzB 4kHzC 6kHzD 8kHz...
Sunday, June 4, 2023
下面关于E300和E100网管的描述,那个是正确的()....
Saturday, September 17, 2022
Saturday, September 17, 2022
单选题为保证设备正常运行时,建议每隔()清洁一次防尘网。A 一周B 半个月C 一个月D 一季度...
Sunday, March 26, 2023
Thursday, September 15, 2022
Wednesday, December 7, 2022
Thursday, September 22, 2022
Wednesday, May 8, 2024