Cable Lengths - Siemens SCALANCE X-300 Series Operating Instructions Manual

Device variant
X320-3LD FE
Fast Ethernet, long distance interface
1)
Fast Ethernet, multimode interface
2)
Note
Exception in the naming of X320-3LD FE
With the X320-3LD FE IE switch, the key to the name is different. The position -3LD covers a
total of 3 connectors (1-2) of which only 2 connectors are LD, refer to the explanation below:
● Port 21: Multimode
● Port 22: LD (long distance, single mode)
● Port 23: LD (long distance, single mode)
Note
2 optical interface transceivers possible (X320-3LD FE)
The device is also equipped with 2 optical interface transceivers.
●
1)
●
2)
As a result, the electrical data in the technical specifications is divided into two parts:
transmitter output optical and receiver input.
8.2.3

Cable lengths

Table 8-10
Cable type
IE TP torsion cable
IE FC TP Marine Cable
IE FC TP Trailing Cable
IE FC TP Flexible Cable
IE FC TP standard cable
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24
Transmitter output (optical)
min. [dBm]
-15
1)
-19
2)
Fast Ethernet, long distance interface
Fast Ethernet, multimode interface
Permitted cable lengths (copper cable - Fast Ethernet)
max. [dBm] Sensitivity min. [dBm]
-8
1)
-14
2)
Accessory (plug, outlet, TP cord) Permitted cable length
with IE FC Outlet RJ-45
+ 10 m TP cord
with IE FC RJ-45 Plug 180
with IE FC Outlet RJ-45
+ 10 m TP cord
with IE FC RJ-45 Plug 180
with IE FC Outlet RJ-45
+ 10 m TP cord
with IE FC RJ-45 Plug 180
Technical specifications
8.2 X-300 technical specifications
Receiver input
Input power max.
[dBm]
-34
1)
-32
2)
0 to 45 m
+ 10 m TP cord
0 to 55 m
0 to 75 m
+ 10 m TP cord
0 to 85 m
0 to 90 m
+ 10 m TP cord
0 to 100 m
-3
1)
-3
2)
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