Siemens Industrial Ethernet Switches SCALANCE X-200 - Manual (Page 138)

Connection
5.1 Power supply
SCALANCE X-200
138
Operating Instructions, 12/2011, A5E00349864-19
Table 5- 2 Pin assignment
Pin number Assignment
(exceptions:
SCALANCE X204 IRT PRO,
X202-2P IRT PRO,
X201-3P IRT PRO) X204 IRT PRO
X202-2P IRT PRO
X201-3P IRT PRO
Pin 1 L1 +24 VDC
X204-2TS: L1 +12 V ... +24 VDC
L1 +24 VDC
Pin 2 M1 N1
Pin 3 M2 L2 +24 VDC
Pin 4 L2 +24 VDC
X204-2TS: L2 +12 V ... +24 VDC
N2
Pin 5 - FE (Functional Earth)
Note
Because the SCALANCE X204 IRT PRO, the SCALANCE X202-2P IRT PRO and the
SCALANCE X201-3P IRT PRO do not have a redundant power supply, the power supply
must be connected to L1 and N1.