4.4.1
Pin assignment
With IE switches of the SCALANCE XB-000 product line, the twisted-pair ports are designed as
RJ-45 jacks with MDI-X pin assignment (Medium Dependent Interface Autocrossover) of a
network component.
Pin number
Assignment for SCALANCE XB‑000 Assignment for SCALANCE XB‑000G
Pin 8
n. c.
D4-
Pin 7
n. c.
D4+
Pin 6
TD-
D2-
Pin 5
n. c.
D3-
Pin 4
n. c.
D3+
Pin 3
TD+
D2+
Pin 2
RD-
D1-
Pin 1
RD+
D1+
Note
TP cords or TP-XP cords with a maximum length of 10 m can be connected to the TP port with
the RJ-45 jack.
With the IE FC cables and IE FC RJ-45 plug 180, an overall cable length of a maximum of 100 m
is permitted between two devices depending on the cable type.
4.4.2
Functions
Autonegotiation
With the autonegotiation mechanism, repeaters and end devices can automatically determine
the transmission speed and the transmission mode of the partner port. This makes it possible to
configure different devices automatically.
Description of the device
4.4 TP ports (twisted pair)
SCALANCE XB-000
Operating Instructions, 01/2022, A2B00077300-11
27
