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Installation Manual

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Chapter 4 <br />

The ISDN-EFM box must be installed as close as possible to the system (3 m maximum). All<br />

the box connections are made with straight RJ45-RJ45 cables.<br />

Output connector functions:<br />

- BRA: connection of T0 access to be forwarded.<br />

- NT: connection of ISDN network termination.<br />

- S0: connection of forwarding S0 station.<br />

- CPU: connection of the AUDIO and AUX connectors of the PowerCPU board.<br />

- AUX: connection of Audio out, Alarm, General bell and 12 V use auxiliaries.<br />

4-10

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