Siemens SCALANCE X320-3LD FE Operating Instructions Manual page 121

Industrial ethernet switches
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NOTICE
Failure of the data traffic due to contamination of optical plug-in connections
Optical sockets and plugs are sensitive to contamination of the end face. Contamination
can lead to the failure of the optical transmission network.
Close unused optical sockets and plugs as well as pluggable transceivers and slots with the
supplied protective caps.
Remove the protective caps only immediately before you use the plug-in connection.
NOTICE
Use only approved SFPs
If you use components not approved by Siemens AG, in particular SFPs, Siemens cannot
accept any responsibility for the correct functioning of the "Ethernet switch system"
according to the specification.
Moreover, if components are used that have not been Siemens approved, Siemens cannot
vouch for their compatibility or for risk-free use of these components.
Note
Use media modules only in an approved modular device
Use an MM900 media module only for a device equipped with suitable slots for such
modules. Example: X308-2M.
The names and labeling of the media modules differ
• Example: The device is called, for example, MM992-2SFP" [6GK5 992-2AS00-8AA0], the
labeling on the device is "9922AS". You will find detailed information on the labeling of the
media modules in the "MM900 media modules" compact operating instructions.
Note
SFP transceivers with the SCALANCE XR324-4M EEC
In contrast to the information in the product documentation for the SCALANCE MM900,
MM992-2SFP media modules can be operated in the SCALANCE XR324-4M EEC at
ambient temperatures up to a maximum of 70 °C if the following requirements are met:
• MM992-2SFP media modules as of hardware product version 02 are suitable. The
hardware product version can be found on the device. You can also read out this
information with the WBM or the CLI.
• Only the following SFP transceivers may be used:
– SFP991-1
– SFP991-1LD
– SFP992-1
– SFP992-1LD
SCALANCE X-300
Operating Instructions, 05/2016, A5E01113043-20
5.3 Inserting media modules and SFP transceivers
Installation
121

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