Siemens SCALANCE X-300 - Connectors and Electrical Data

Table 8-17 Operating temperature depending on the media modules used
Media module Installation di‐
rection
Operating temperature
1)
Without media module Horizontal -40 °C to +70 ℃
Vertical -40 °C to +50 ℃
MM992-2CUC
MM992-2CUC (C)
MM992-2CU
MM992-2M12 (C)
MM992-2VD
MM991-2
MM991-2FM
MM991-2LD
MM991-2 (SC)
MM991-2LD (SC)
MM992-2
MM992-2 (C)
MM992-2LD
Horizontal -40 °C to +70 ℃
Vertical -40 °C to +50 ℃
MM991-2LH+ (SC)
MM992-2LH
MM992-2LH+
MM992-2ELH
Horizontal -40 °C to +70 ℃
Vertical -40 °C to +50 ℃
Media module MM992-2SFP
with pluggable transceiver
SFP991-1
SFP991-1LD
SFP992-1
SFP992-1LD
Horizontal -40 °C to +60 ℃
Vertical -40 °C to +50 ℃
Media module MM992-2SFP
with pluggable transceiver
SFP991-1LH+
SFP992-1+
SFP992-1LH
SFP992-1LH+
SFP992-1ELH
SFP991-1ELH200
Horizontal -40 °C to +60 ℃
Vertical -40 °C to +50 ℃
MM991-2P - 25 °C to + 40 ℃
1)
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°.
8.3.2 Connectors and electrical data
Table 8-18 Connection for end devices or network components
Max. number 8 ports
Electrical (via twisted-pair) 4 x RJ‑45 jacks with MDI‑X assignment
10/100/1000 Mbps (half / full duplex)
Technical specifications
8.3 X-300M technical specifications
SCALANCE X-300
162 Operating Instructions, 11/2019, A5E01113043-24