Appendix; Faqs; Any Alarm Is Reported On The Uplink Interface Of The Rc3000E; Voice Is Not Continuous Or Data Transmission Fails When No Alarm Is Reported - Raisecom RC3000E Product Description

Raisecom
RC3000E (P100R001) Product Description
7

Appendix

The appendix lists wiring and FAQs, including the following sections:





7.1 FAQs

7.1.1 Any alarm is reported on the uplink interface of the RC3000E

When LOF, LOS, or AIS alarm is reported on the E1 interface, check the device from the
following three aspects:



If the problem is not solved after checking, contact Raisecom technical support engineers.
7.1.2 Voice is not continuous or data transmission fails when no
alarm is reported
This problem is usually caused by the multiframe asynchronization. You can detect whether
there is multiframe asynchronization alarm on the E1 interface of the RC3000E or not. If yes,
you can check the following aspects:


If the problem is not solved after checking, contact Raisecom technical support engineers.
FAQs
Wiring
Terms
Acronyms and abbreviations
Check whether the cable connected to the E1 interface or optical interface is connected
correctly or not, or disconnected due to faults.
Check whether the peer device connected to the E1 interface works normally or not.
Check whether the power and grounding line of the two ends are connected normally or
not.
Check whether the synchronization clock is consistent or not. In general, there is only
one master clock on the network.
Check the entries of the E1 alarm.
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
7 Appendix
62