5.1 E1/T1 Troubleshooting
5.1.1 E1/T1 Interface in Up State Fails to Correctly Send and Receive
Data
Common Causes
This fault occurs in the following situations:
l No data is sent or received on the serial interface.
l Data is incorrectly sent or received on the serial interface.
This fault is commonly caused by one of the following:
l The CPLD logic version of the E1/T1 board is incorrect.
l Timeslots of the remote interface are incorrectly bound.
Troubleshooting Flowchart
Figure 5-1 shows the troubleshooting flowchart.
Huawei AR2200-S Series Enterprise Routers
Troubleshooting 5 WAN
Issue 01 (2012-01-06) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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