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Connection
6.2 Power supply
Position and pin assignment
①
②
③
The four-pin M12 socket has the following pin assignment:
Pin
1
2
3
4
Connecting/disconnecting the power supply
Danger from electric shock
Turn off the power supply before you insert or remove the plug of the power supply.
1. Connect the plug and socket. Make sure that they lock in place correctly.
2. Tighten the knurled screw (tightening torque 1 Nm).
64
M12 interface, direct feed in, A-coded, 4-pin
M12 Ethernet port P2 LAN PoE, X-coded, 8-pin
The power can also be supplied via this interface (Power over Ethernet).
Pin assignment, see Ethernet (Page 66)
M12 Ethernet port P1 LAN, X-coded, 8-pin
WARNING
Signal
L1+
L2+
M
M
Operating Instructions, 03/2022, C79000-G8976-C484-05
Assignment
24 VDC
24 VDC
Ground
Ground
SCALANCE W1788-x / W1748-1
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