Introduction1.1 On the Operating InstructionsExtender for SCALANCE XM-400Operating Instructions, 09/2018, C79000-G8976-C332-08 7Further documentationIn the system manuals "Industrial Ethernet / PROFINET Industrial Ethernet" and "IndustrialEthernet / PROFINET passive network components", you will find information on otherSIMATIC NET products that you can operate along with the devices of this product line in anIndustrial Ethernet network.There, you will find among other things optical performance data of the communicationspartner that you require for the installation.You will find the system manuals here:● On the data medium that ships with some products:– Product CD / product DVD– SIMATIC NET Manual Collection● On the Internet pages of Siemens Industry Online Support:– Industrial Ethernet / PROFINET Industrial Ethernet System Manual(https://support.industry.siemens.com/cs/ww/en/view/27069465)– Industrial Ethernet / PROFINET Passive Network Components System Manual(https://support.industry.siemens.com/cs/ww/en/view/84922825)SIMATIC NET manualsYou will find the SIMATIC NET manuals here:● On the data medium that ships with some products:– Product CD / product DVD– SIMATIC NET Manual Collection● On the Internet pages of Siemens Industry Online Support(https://support.industry.siemens.com/cs/ww/en/ps/15247).SIMATIC NET glossaryExplanations of many of the specialist terms used in this documentation can be found in theSIMATIC NET glossary.You will find the SIMATIC NET glossary here:● SIMATIC NET Manual Collection or product DVDThe DVD ships with certain SIMATIC NET products.● On the Internet under the following address:50305045 (https://support.industry.siemens.com/cs/ww/en/view/50305045)