Siemens OSM User Manual Page 87

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Web-Based Management (WBM)
4-26
Industrial Ethernet OSM/ESM Network Management
C79000-G8976-C137-08
Maximum Delay of RM Test Packets (ms)
This display is only active in the redundancy manager mode (RM “on”). In the
redundancy manager mode, the OSM/ESM sends test packets on the line of
OSMs/ESMs attached to ports 7 and 8 and measures the round-trip time of the
test packets. The maximum delay of the test packets that occurs is displayed. This
value should not exceed 50 ms.
No. of Changes to Standby Active State
This counter is only active when the standby mode was activated with the DIP
switch on the OSM/ESM (”Stby on”). It indicates how often the OSM/ESM acting
as the standby slave switched to the active mode in the redundant configuration.
(This can be caused by failure of the standby master or because there was no
longer a valid link at a standby port of the standby master.)
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