Wiring Rules - Siemens SCALANCE XR-300M Compact Operating Instructions

Connecting up

6.3 Wiring rules

NOTICE
Failure of the data traffic due to contamination of optical plug-in connections
Optical sockets and plugs are sensitive to contamination of the end face. Contamination can
lead to the failure of the optical transmission network. Take the following precautions to avoid
functional impairments:
● Clean the end face of field-assembled connectors carefully before connecting. No residues
● Only remove the dust caps of optical transceivers and pre-configured cables shortly before
● Close unused optical sockets and plugs as well as pluggable transceivers and slots with
6.3 Wiring rules
When wiring use cables with the following AWG categories or cross sections.
Wiring rules for ...
connectable cable cross sec‐
tions for flexible cables ...
Stripped length of the cable
Wire end ferrule according to DIN 46228 with plastic ferrule**
* AWG: American Wire Gauge
** See note "Wire end ferrules"
Note
Wire end ferrules
Use crimp shapes with smooth surfaces, such as provided by square and trapeze shaped crimp
cross sections.
Crimp shapes with wave-shaped profile are unsuitable.
44
of processing may remain on the connector.
connecting the cables.
the supplied protective caps.
without wire end ferrule
with wire end ferrule with plastic fer‐
rule**
with wire end ferrule without plastic fer‐
rule**
with TWIN wire end ferrule**
Compact Operating Instructions, 11/2019, A5E02661171-15
Screw/spring-loaded termi‐
nals
0.25 - 2.5 mm
2
AWG: 24 - 13
0.25 - 2.5 mm
2
AWG: 24 - 13
0.25 - 2.5 mm
2
AWG: 24 - 13
0.5 - 1 mm
2
AWG: 20 - 17
8 - 10 mm
8 - 10 mm
SCALANCE XR-300M