Note
Wire end ferrules
Use crimp shapes with smooth surfaces, such as provided by square and trapeze shaped crimp
cross sections.
Crimp shapes with wave-shaped profile are unsuitable.
6.3
Connecting the switch
Procedure for connecting the device
Follow the steps below to connect the device:
1. Turn off the power supply.
2. Connect the grounding of the switch according to the following description.
3. Connect the signaling contact of the switch according to the following description.
4. Connect the power supply of the switch according to the following description.
5. Connect the network nodes / subnets to the switch.
6. Turn on the power supply for the switch.
6.4
Connecting media modules/SFPs
Power supply of the MM900 media modules
The MM900 media modules are supplied with power by the switch.
Power supply of the SFP transceivers
The SFP transceivers are supplied with power via the SFP media module.
6.5
Grounding
Installation on a DIN rail
The device is grounded over the DIN rail.
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24
Connecting
6.5 Grounding
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