Installation manual

Caution:
The AFU-1 board (daughter board of the CPU board) must obligatorily be fitted to detect the ab-
sence of power.
The ISDN-EFM box must be installed as close as possible to the system (3 m maximum). All
the box connections are made with straight RJ45-RJ45 cables.
Output connector functions:
- BRA: connection of T0 access to be forwarded.
- NT: Connection of ISDN network termination.
- S0: connection of forwarding S0 station.
- CPU: connection of the AUDOUT connector of the CPU board.
- AUX: connection of Audio out, Alarm, General bell and 12 V use auxiliaries; since AUX is a
copy of the CPU/CPUe board's AUX1, see sheet "CPU/CPUe boards" for connection
recommendations.
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