Installing MX-ONE
How to carry out the cross-connection, see Page 126 .
These extensions must not be equipped with digital system telephones. If the
public exchange is not capable of receiving DTMF-signals, then the extension
must be equipped with a rotary dial telephone or a telephone for 10 pps (pulse
generator). The connection to the public exchange must be of analog type.
Figure 102 Through-Connection on Power Failure or Processor Malfunction
6.9 Call Metering
6.9.1 Call Metering TLU75
The cabling varies, depending on the type of call metering used (50 Hz, 12
kHz or 16 kHz). Daughter boards CM50, or CM12/16 must be mounted on
the TLU75 board.
126
6/1531-ASP 113 01 Uen J2 2008-07-17
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