Technical specifications
8.7 X-300M PoE technical specifications
SCALANCE X-300
Operating Instructions, 05/2016, A5E01113043-20
193
Media module MM992-2SFP
with pluggable transceiver
SFP991-1LH+
SFP992-1LH
SFP992-1LH+
SFP992-1ELH SFP991-
Vertical -40 °C to +45 ℃
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- 87 Connection for end devices or network components
Electrical 4 x RJ-45 jacks, MDI-X pinning,
10/100/1000 Mbps (half/full duplex)
power supply for connected devices (PDs) using
Power over Ethernet (PoE) according to
IEEE 802.3af / 802.3at (type 1)
Media module slots 2 x modular
Transmitter output (optical) and receiver input The values correspond to those of the permitted
MM900 media modules and SFP transceivers.
Table 8- 88 Electrical data: Power supply
Permitted voltage range
including total ripple
Table 8- 89 Electrical data: Power consumption and redundancy
Max. power consumption
(incl. PoE power supply of the connected PoE
48 W
Power loss at 24 VDC 17 W
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