[Device labeling in square brackets]
Note
Installation of the XR-300M, XR-300M PoE and XR-300M EEC
Only the lower slots may be equipped with the MM991-2P.
● XR-300M: Maximum 6 modules in slots 7 to 12
● XR-300M PoE, XR-300M EEC: Maximum 2 modules in slots 3 and 4
The slot above an MM991-2P may only be used as follows:
● Without media module
● With media module MM992-2CUC or MM992-2CU
Example XR-300M: If the MM991-2P is plugged into slot 8, an MM992-2CUC may be used in
slot 2.
See also table: "Operating temperature with media module MM991-2P"
4.4.8.8 MM992-2CU product characteristics
Possible attachments
The MM992-2CU media module has the following:
● 2 x 10/100/1000 Mbps, RJ-45 port electrical without securing collar
Figure 4-33 MM992-2CU [9922SA]
[Device labeling in square brackets]
Note
For connection to electrical networks note the information in Appendix A.1 and A.2.
Description of the device
4.4 Product properties and device views
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24 79
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