2N Helios IP, Руководство пользователя

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Extending Module Connection 2.4
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Module Cable Interconnection

The cable is included in every extending module delivery. Both its ends are
the same. Configuration is 1:1. Connectors cannot be shifted or inserted
conversely because they are equipped with a so-called key.

The basic unit is always on the left. Extenders are chain-connected, i.e. each
is linked with its neighbour.

The cable cannot be driven through the box interconnecting holes until the
boxes have been connected (see subsection 2.3 Mounting – Mechanical
Installation).
Figure 2.15 Connection of Two-Button-Row Extending Module
Caution

The extending modules must be connected mutually and with the basic
unit by means of a formed piece supplied with the extending module!!!
This connector is designed for
interconnection.