Connecting the Network Cables

Qualified person

DANGER

Danger to life due to electric shock in case of overvoltages and if surge protection is missing

Overvoltages (e. g. in the event of a flash of lightning) can be further conducted into the building and to other connected devices in the same network via the network cables or other data cables if there is no surge protection. Touching live parts and cables results in death or lethal injuries due to electric shock.

  1. Ensure that all devices in the same network are integrated in the existing overvoltage protection.
  2. When laying the network cable outdoors, ensure that there is suitable surge protection at the network cable transition from the product outdoors to the network inside the building.
  3. The Ethernet interface of the product is classified as "TNV-1" and offers protection against overvoltages of up to 1.5 kV.

Additionally required material (not included in the scope of delivery):

Procedure:

  1. Disconnect the product from voltage sources .
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  2. Unscrew the swivel nut from the cable gland.
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  3. Thread a swivel nut over each network cable.
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  4. Remove the two-hole cable support sleeve from the cable gland.
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  5. For each network cable, remove one of the plugs from the cable support sleeve and cut the enclosure opening laterally with a utility knife. This will push the cable into the opening.
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  6. Insert each network cable into one of the enclosure opening.
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  7. Press the 2-hole cable support sleeve into the cable gland and guide each network cable to the network port. Lay each cable according to the installation plan and attach to the brackets.
  8. When using self-assembly cables, assemble the RJ45 connectors and connect them to the cable (refer to the documentation of the connector).
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  9. Insert each network cable into one of the network ports.
  10. Ensure that the network cables are securely in place by pulling slightly on each of them.
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  11. Tighten the swivel nut on the cable gland hand-tight. This will secure the network cables in place.
  12. If the product is installed outdoors, install overvoltage protection for all components in the network.
  13. Either connect the other end of the network cable directly to the local network (e.g. via a router) or connect all present inverters in the system to each other in line topology and connect the first or last inverter in the line to the local network.

    Also see:

    Connecting the AC Cable
    Connecting the DC Cables