Type Installation
location
Without me‐
dia module
MM992-2CUC
MM992-2CUC (C)
MM992-2CU
MM992-2M12 (C)
MM992-2VD
MM991-2 (BFOC)
MM991-2FM
(BFOC)
MM991-2LD
(BFOC)
MM991-2 (SC)
MM991-2LD (SC)
MM992-2 (SC)
MM992-2 (SC) (C)
MM992-2LD (SC)
MM991-2LH+
(SC)
MM992-2LH
(SC)
MM992-2LH+
(SC)
MM992-2ELH(S
C)
Media module
MM992-2SFP
with SFP trans‐
ceiver
SFP991-1
SFP991-1LD
SFP992-1
SFP992-1LD
Media module
MM992-2SFP
with SFP transceiver
SFP991-1LH+
SFP992-1+
SFP992-1LH
SFP992-1LH+
SFP992-1ELH
SFP991-1ELH200
XR-300M
EEC
Horizontal -40 °C to +70 °C Maximum 2
modules in slots
3 and 4:
-40 °C ... +60 °C
With more than 2
modules or other
slot assignment:
-40 °C to +50 °C
-40 °C to +70 °C
SFP transceivers
of this group can
only be used in
conjunction with
media modules
MM992-2CUC,
MM992-2CUC
(C) and
MM992-2CU.
When using other
modules:
-40 °C to +60 °C
Maximum 2 mod‐
ules in slots 3 and 4:
-40 °C to +60 °C
With more than 2
modules or other
slot assignment:
-40 °C to +50 °C
Vertical -40 °C to +50 °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°.
Table 8-97 Operating temperature with media module MM991-2P
Type Operating temperature
X-300M
X-300M PoE
● - 25 °C to + 40 ℃
XR-300M
XR-300M PoE
XR-300M EEC
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)
Note the information under "MM991-2P product character‐
istics".
Technical specifications
8.9 MM900 technical specifications
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24 203