Siemens SCALANCE X-300 Series

Type Installation
location
Without media
module
MM992-2CUC
MM992-2CU
MM991-2
MM991-2LD
MM991-2 (SC)
MM991-2LD (SC)
MM992-2
MM992-2LD
MM991-2LH+ (SC)
MM992-2LH
MM992-2LH+
MM992-2ELH
Media module
MM992-2SFP
with SFP trans‐
ceiver
SFP991-1
SFP991-1LD
SFP992-1
SFP992-1LD
Media module
MM992-2SFP
with SFP trans‐
ceiver
SFP991-1LH+
SFP992-1LH
SFP992-1+
SFP992-1LH+
SFP992-1ELH
XR-300M
EEC
Horizontal -40 °C to +70 °C Maximum 2
modules in slots 11
and 12:
-40 °C to +60 °C
With more than 2
modules or other
slot assignment:
-40 °C to +50 °C
-40 °C to +70 °C
SFP transceiv‐
ers of this group
can only be used
in conjunction
with media mod‐
ules
MM992-2CUC
and
MM992-2CU.
When using oth‐
er modules:
-40 °C to +60 °C
Maximum 2 mod‐
ules in slots 11
and 12:
-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
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°.
8.2 X-300 technical specifications
Note
Validity of the technical specifications
All the technical specifications described in this section that is not assigned to a specific device
variant, version or a media module, apply to all device variants/versions of the product group.
Technical specifications
8.2 X-300 technical specifications
SCALANCE X-300
152 Operating Instructions, 11/2019, A5E01113043-24