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| Pull fibre optic cable connector off the relevant control unit. |
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| Release the locking mechanism in fibre optic cable connector -1- by pressing it. |
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| Release secondary locking mechanism -2-, using a small screwdriver. |
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| Remove fibre optic cable. |
Caution t
| Use protective caps from the case in order to protect the fibre optic cable against dust and dirt. |
t
| Use a new housing as the secondary locking mechanism can be damaged when the fibre optic cable is removed. |
t
| Take note of the arrows on the basic module for the assignment of „IN“ and „OUT“. |
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Carry out installation in the reverse sequence observing the following: |
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| Install fibre optic cable in accordance with markings. |
Note t
| Push corrugated tube into plug-in housing until it engages audibly. |
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