Siemens SCALANCE XM-400 Configuration Manual page 115
Industrial ethernet switches
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Also See for SCALANCE XM-400:
- Configuration manual (960 pages) ,
- Operating instructions manual (80 pages) ,
- Instructions manual (60 pages)
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Description of the displayed values
Port
Shows the optical ports that support fiber monitoring. This depends on the transceivers.
Rx Power State
● disabled
Fiber monitoring is disabled.
● ok
The value for the received power of the optical link is within the set limits.
● maint. req.
Check the link.
A warning is signaled.
● maint. dem.
The link needs to be checked.
An alarm is signaled and the fault LED is lit.
● link down
The connection to the communications partner is down. No link is detected.
Rx Power [dBm]
Shows the current value of the received power. The value can have a tolerance of +/- 3 dB.
If there is no connection (link down) or fiber monitoring is disabled, "-" is displayed. If fiber
monitoring is not enabled on the partner port, the value 0.0 is displayed.
Power Loss State
To be able to monitor the power loss of the connection the function fiber monitoring must be
enabled for the optical port of the connection partner.
● disabled
Fiber monitoring is disabled.
● ok
The value for the power loss of the optical link is within the defined limits.
● maint. req.
Check the link.
A warning is signaled.
SCALANCE XM-400/XR-500 Web Based Management (WBM)
Configuration Manual, 05/2017, C79000-G8976-C248-12
Configuring with Web Based Management
5.3 The "Information" menu
115
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