Technical specifications
8.4 XR-300M technical specifications
SCALANCE X-300
172 Operating Instructions, 05/2016, A5E01113043-20
Media module MM992-2SFP
with pluggable transceiver
SFP991-1LH+
SFP992-1LH
SFP992-1LH+
SFP992-1ELH SFP991-
Horizontal Max. 2 modules in slots 11 and 12:
-40 °C to +60 °C
With more than 2 modules or other slot assign-
ment:
Vertical -40 °C to +50 ℃
MM991-2P Maximum 6 modules in slots 7 and 12:
The slot above an MM991-2P may be used as
follows:
• Without media module: - 25 °C to + 50 °C
• With media module MM992-2CUC or MM992-
2CU: - 25 °C to + 40 °C
Only hardware product version 02 of the media modules is permitted.
The hardware product version is shown on the product. You can also read out this information
from the device with the WBM or the CLI.
The permitted operating temperature depends on how the mounting device was installed. The
installation is horizontal if the device labeling is from left to right. With a vertical installation, the de-
vice labeling is rotated through 90°.
Connectors and electrical data
Table 8- 37 Connection for end devices or network components
Media module slots 12 x modular
Transmitter output (optical) and receiver input The values correspond to those of the permitted
MM900 media modules and SFP transceivers.
Table 8- 38 Electrical data: Power supply
Device version
(power supply)
Redundant
power sup-
ply unit
Redundant
power supply
possible
2 x 24 VDC No Yes
Voltage range 19.2 VDC - 28.8
Permitted voltage range
incl. total ripple
18.5 VDC - 30.2
VDC
1 x 100 to 240 VAC No No 100 to 240 VAC
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