Technical data
6.2 Connectors and electrical data
SCALANCE X-300M PoE
Compact Operating Instructions, 05/2016, A5E02630810-09
39
6.2
Connectors and electrical data
Table 6- 5
Connection for end devices or network components
Max. number
8 ports
Electrical
4 x RJ-45 jacks, MDI-X pinning,
10/100/1000 Mbps (half/full duplex)
power supply for connected devices (PDs) using
Power over Ethernet (PoE) according to
IEEE 802.3af / 802.3at (type 1)
Media module slots
2 x modular
(2 ports per slot)
Transmitter output (optical) and receiver input
The values correspond to those of the permitted
MM900 media modules and SFP transceivers.
Table 6- 6
Electrical data: Power supply
Rated voltage
Voltage range
Permitted voltage range
including total ripple
24 VDC
19.2 VDC - 28.8 VDC
18.5 VDC - 30.2 VDC
Table 6- 7
Electrical data: Power consumption and redundancy
Current consumption
2 A
Max. power consumption
(incl. PoE power supply of the connected PoE
devices (PDs))
48 W
Power loss at 24 VDC
17 W
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 6- 8
Electrical data: Signaling contact
Voltage via signaling contact
24 VDC
Switching capacity (resistive load)
max. 100 mA
Table 6- 9
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
