Siemens SCALANCE X308-2 User Manual

Technical specifications
8.7 X-300M PoE technical specifications
SCALANCE X-300
194 Operating Instructions, 05/2016, A5E01113043-20
Overcurrent protection of the power supply
Non-replaceable fuse
3 A / 32 V and
5 A / 125 V (PoE)
Redundant power supply unit
No
Redundant power supply possible Yes
Table 8- 90 Electrical data: Signaling contact
Voltage via signaling contact 24 VDC
Switching capacity (resistive load)
max. 100 mA
Table 8- 91 Plug-in terminal block for connectors of the power supply and signaling contact
Power supply
1 x 4-pin male connector
Signaling contact
1 x 2-pin male connector
Table 8- 92 Power over Ethernet at port P1, P2, P3, P4
PoE function within a power supply system According to IEEE 802.3af / 802.3at (type 1) for
environment A
Method of PoE power feed Alternative A
(refer to the following table for the pin assign-
ment)
Reserved power per port 15.4 W at port,
of which the following can be used by the PD:
12.95 W
Overall power on all 4 ports
Max. 30.8 W
Table 8- 93 Electrical isolation
Between the ports
No
Between ports and ground
Yes
Between ports and 24 VDC power input
Yes
Table 8- 94 Pin assignment of the Ethernet ports of the SCALANCE PoE switch
Pin number / wire
1)
Assignment for data transmis-
sion
Assignment for power transfer
(PoE).
Alternative A (MDI-X)
Pin 1
RX+
V-
Pin 2
RX-
V-
Pin 3
TX+
V+

Siemens SCALANCE X308-2 Specifications

General

Brand	Siemens
Model	SCALANCE X308-2
Category	Switch
Language	English