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BT Versatility
Installation and Maintenance Manual
13
Expansion Modules
There are three types of expansion module that can be installed on the back plane. These are the Ports
Module, the Internet Module and the Options Module. All these modules are installed in the same way.
Modules are supplied in two parts. The MDF, which is connected to the backplane, and the module which
is inserted into the MDF.
The Ports MDF is also equipped with two connectors for the Analogue and /or the ISDN Basic Rate
modules.
The power must be disconnected when installing the Backplane or expansion
modules
Module with MDF
Module and MDF separated