论文部分内容阅读
在使用MITEL SX2000S程控用户交换机的时候,有的话机无故振铃,经确认,故障为:某一话机被呼叫时,只能振一次铃,且摘机后为拔号音,而作为主叫进行呼叫时则一切正常。 对这些话机,线路进行静态测验都无异常,调换用户的话机也不管用,调换MITEL SX2000S程控用户交换机的用户板ONS后,有时故障消失,有时仍不能作被叫,得不出准确结果。在MITEL SX2000S程控用户交换机的维护终端上利用维护命令观察,发现该话机刚才完成了一次通话,通话时间极短。进一步分析发现这些用户话机都集中在程控机房建筑物以外
When using the MITEL SX2000S PBX, some phones ring for no reason. After being confirmed, the fault is that when a certain phone is called, it can only ring once and dial the tone after being off-hook, When the call is all normal. Static test for these phones and lines are normal, the exchange of users’ phones do not work, exchange MITEL SX2000S PBX user board ONS, sometimes the fault disappears, and sometimes can not be called, can not get accurate results. MITELSX2000S program-controlled user switches maintenance terminal using the maintenance order observation found that the phone just completed a call, the call time is very short. Further analysis found that these user phones are concentrated outside the building of the control room