填空题
The ultra long haul amplification technology used in ZXWM M900 system includes large-power ()technology and ()amplifier.
EDFA;RAMAN
填空题 ZXMP M600, 一块NCP板最多可以同时管理()个子架。6U机架的名称为()
问答题 ZXMPM600中单板OMD5-1表示什么?OMD4-5表示什么?
填空题 ()is an auxiliary light source of EDFA. It causes the erbium icons of an erbium doped fiber to come from E1 to E3 quantum level.