Siemens SCALANCE X-300 Series

Technical specifications
8.8 X-300M PoE technical specifications
SCALANCE X-300
Operating Instructions, 10/2010, A5E01113043-10
193
Table 8- 98 Pin assignment of the Ethernet ports of the SCALANCE PoE switch
Pin number / wire *
)
Assignment for data
transmission
Assignment for power transfer
(PoE)
Pin 1 RX+ V-
Pin 2 RX- V-
Pin 3 TX+ V+
Pin 4 - -
Pin 5 - -
Pin 6 TX- V+
Pin 7 - -
Pin 8 - -
*
)
with 4-wire industrial twisted-pair cables, the wires are connected to pins 1, 2, 3 and 6.
8.8.3 Cable lengths
● Permitted cable lengths (copper)
IE TP torsion cable
 0 - .55 m IE TP torsion cable with IE FC RJ-45 Plug 180
or
 0 - .45 m IE TP Torsion Cable with IE outlet RJ-45
+ 10 m TP cord
IE FC TP Marine / Trailing /
Flexible cable
 0 - .85 m IE FC TP marine/trailing/ flexible cable with IE FC
RJ-45 Plug 180
or
 0 - .75 m IE FC TP marine / trailing / flexible cable with IE
outlet RJ-45
+ 10 m TP cord via IE FC outlet RJ-45
IE FC TP standard cable
 0 - .100 m IE FC TP standard cable with IE FC RJ-45 Plug
180
or
 0 - 90 m IE FC TP standard cable with IE outlet RJ-45
+ 10 m TP cord
● Permitted cable lengths (fiber-optic) Fast Ethernet:
Depending on the approved MM900 media modules and SFP transceivers used
● Permitted cable lengths (fiber-optic) gigabit:
Depending on the approved MM900 media modules and SFP transceivers used