Zte ZXMW NR8120A Maintenance Manual page 4

2.5.1 Network Management Services Are Disconnected...................................... 2-7
2.5.2 NEs Are Out of Control ............................................................................. 2-7
Chapter 3 Fault Locating Methods............................................................ 3-1
3.1 Performing the Loopback Test ............................................................................. 3-1
3.2 Checking the Ethernet OAM Function .................................................................. 3-3
3.2.1 Checking CFM ......................................................................................... 3-5
3.2.2 Checking EFM ....................................................................................... 3-13
3.3 Performing the MSTP Single-Step Operation ..................................................... 3-16
Chapter 4 Indicators................................................................................... 4-1
Glossary .......................................................................................................... I
SJ-20150804150350-006|2015-09-17 (R1.0)
II
ZTE Proprietary and Confidential