Media module
1)
Installation di‐
rection
Operating temperature
2)
Media module MM992-2SFP
with pluggable transceiver
SFP991-1LH+
SFP992-1+
SFP992-1LH
SFP992-1LH+
SFP992-1ELH
SFP991-1ELH200
Horizontal Maximum 2 modules in slots 3 and 4:
-40 °C ... +60 °C
With more than 2 modules or other slot assign‐
ment:
-40 °C to +50 °C
Vertical -40 °C to +50 ℃
MM991-2P Maximum 2 modules in slots 3 and 4:
The slot above an MM991-2P may be used as fol‐
lows:
● Without media module: - 25 °C to + 50 °C
● With media module MM992-2CUC or
MM992-2CU: - 25 °C to + 40 °C
1)
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.
2)
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 device
labeling is rotated through 90°.
8.8.2 Connectors and electrical data
Table 8-84 Connection for end devices or network components
Max. number 24 ports
Electrical Port 1 to 8
8 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)
Port 9 to 16:
8 x RJ‑45 jacks with MDI‑X assignment
10/100/1000 Mbps (half / full duplex)
Media module slots 4 x modular
(2 ports per slot)
Transmitter output (optical) and receiver input The values correspond to those of the permitted
MM900 media modules and SFP transceivers.
Diagnostics port RJ-11 jack
Technical specifications
8.8 XR-300M PoE technical specifications
SCALANCE X-300
196 Operating Instructions, 11/2019, A5E01113043-24
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