Siemens SCALANCE XRH-300

Can only be operated in SFP+ slots.
Note
Restriction for pluggable transceivers
The maximum ambient temperature changes if you use pluggable transceivers:
• If you use pluggable transceiver SFP993-1LH, the maximum ambient temperature is reduced
to 50 ℃.
For the values of the ambient temperature without pluggable transceivers, refer to the section
"Technical speci󹪝cations (Page 81)".
4.7 LED display
4.7.1 Position
The following 󹪝gure shows the arrangement of the LEDs using the example of a SCALANCE
XRM334.
$50&0 '0/
3333333
/'0
333333333
333 33333 33 333 33333
P LEDs for displaying the port status
*)
A LED for displaying the fault status (alarm display)
L1/L2 LEDs for displaying the power supply
RM LED without function
CM LED without function
DM1/DM2 LEDs for displaying the display mode
Figure 4-5 Arrangement of the LEDs using a 24 V AC/DC device version with 12 SFP-/SFP+ slots
*
)
The number of port LEDs depends on the device.
4.7.2 "A" LED
LED "A" (alarm LED) indicates the fault status of the device.
Description of the device
4.7 LED display
SCALANCE XRH-300/XRM-300
Equipment Manual, 10/2022, C79000-G8976-C546-01 33