
14 Installing the DDI MUX
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Figure 2 Overview of network using DDI MUX with an external router
Before you start
• Make sure you read and follow the instructions in this guide.
• Make sure you have the correct cable to connect to your DTE.
The DTE cable is ordered separately so you can select the correct cable for your application.
For more information about the DTE cables available, refer to “DTE cables” on page 23.
Business Communications Manager system requirements
• Make sure your Business Communications Manager system is using Business
Communications Manager 2.5 Feature Pack 1 software or higher.
• Make sure you have an available media bay on the Business Communications Manager Base
Unit.
• Make sure you have two DS30 channels available.
Service Provider/
PSTN
T1 mux service
DTE cable
Router
Switch/Hub
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