Pin number / wire
1)
Assignment for data transmis‐
sion
Assignment for power transfer
(PoE).
Alternative A (MDI-X)
Pin 7
-
-
Pin 8
-
-
1)
with 4-wire industrial twisted-pair cables, the wires are connected to pins 1, 2, 3 and 6.
8.3
Cable lengths
Table 8-14
Permitted cable lengths (copper cable - Fast Ethernet)
Cable type
Accessory (plug, outlet,
TP cord)
Permitted cable length
IE TP torsion cable
with IE FC Outlet RJ-45
+ 10 m TP cord
0 to 45 m
+ 10 m TP cord
with IE FC RJ-45 Plug 180
0 to 55 m
IE FC TP Marine Cable
IE FC TP Trailing Cable
IE FC TP Flexible Cable
with IE FC Outlet RJ-45
+ 10 m TP cord
0 to 75 m
+ 10 m TP cord
with IE FC RJ-45 Plug 180
0 to 85 m
IE FC TP standard cable
with IE FC Outlet RJ-45
+ 10 m TP cord
0 to 90 m
+ 10 m TP cord
with IE FC RJ-45 Plug 180
0 to 100 m
Table 8-15
Permitted cable lengths (copper cable - gigabit Ethernet)
Cable type
Accessory (plug, outlet,
TP cord)
Permitted cable length
IE FC Standard Cable, 4 × 2, 24
AWG
IE FC Flexible Cable, 4 × 2, 24
AWG
with IE FC RJ-45 Plug 180,
4 × 2
0 to 90 m
IE FC Standard Cable, 4 × 2, 22
AWG
with IE FC Outlet RJ-45
+ 10 m TP cord
0 to 60 m
+ 10 m TP cord
IE FC Flexible Cable, 4 × 2, 22
AWG
with IE FC Outlet RJ-45
+ 10 m TP cord
0 to 90 m
+ 10 m TP cord
Note
Permitted cable lengths (fiber-optic cable - Fast Ethernet or gigabit)
The values correspond to those of the permitted MM900 media modules and SFP transceivers.
Technical specifications
8.3 Cable lengths
SCALANCE XR-300M PoE
Compact Operating Instructions, 03/2022, A5E02661178-15
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