Kenwood NXR-1700 Function Reference page 70

2 GETTING STARTED / 2.4 System Structure
Hot Standby Recovery Procedure
SW (Switching hub) failure
Status: Main Repeater (Active)/ Sub Repeater (Standby)
If the network device connecting a Main Repeater and a Sub Repeater fails, synchronization between a Main Repeater
and a Sub Repeater cannot be established. In this case, a Main Repeater migrates from the Active state to Failsoft
Mode. A Sub Repeater migrates to the Active state.
Figure 2-8 SW Failure
SW recovery precautions
Do not power down a Main Repeater and a Sub Repeater.
Replace only network devices.
Figure 2-9 SW Recovery
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FUNC (E)/ Ver 2.00