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Installation and Maintenance Manual
17
Digital Line Module (ISDN 2)
Basic Rate ISDN expansion module
The ISDN Basic Rate Module provides one Basic Rate ISDN circuit (2B+D).
The module is coloured RED, and can be installed in the CCU and also in the Ports MDF.
Installing the Basic Rate ISDN Module in the CCU
Remove the cover of the CCU as shown.
Insert the Basic Rate ISDN module in the Network slot or slots in the CCU as shown:
First network module