Expansion of Basic System with External
Note on the Use of Bus Units in the
the
in a tier is not occupied,
must fit it with a connector cover as a precaution
against electrostatic discharge (see
Fig. 5-4). Connector cover 981 -8MA11 is required.
Connector cover
6ES5 981-8MA11
Figure 5-4. Covering the Last Slot with Connector Cover
5-4
EWA 4NEB 8126270-02