Mitel Aastra 470 System Manual page 145

Multifunctional FXS interfaces
The analogue interfaces of the FX cards are multifunctional. Depending on the ter-
minal or function they are configured individually in the
ing and switched over internally accordingly.
Tab. 68 Mode of the FXS interfaces
FXS mode
Phone/fax
2-wire door
External audio source
Control output
Control input
General bell
After a first start all the FXS interfaces are configured on
Warning
Terminals connected to FXS interfaces can be damaged if the configura-
tion of the FXS interface mode is unsuitable.
Note
Circuit type as per EN/IEC 60950: TNV-2
FXS mode: Phone/fax
In this mode the following analogue terminals can be connected:
• Analogue phones with DTMF or pulse dialling (earth key is not supported)
• Radio units for cordless phones
1)
• Group 3 fax
• Answering machines
• Modem
1)
Transmission with the T.38 protocol is recommended for Fax over IP. The corresponding DSP resources need
to be allocated.
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
Socket
Analogue DTMF and pulse dialling terminals such as phones, fax, modem,
answering machines, etc.
Analogue two-wire door intercom
Audio interface for connecting playback equipment with line output.
Ports for switching external equipment.
Ports for switching internal switch groups.
Commercial auxiliary bells
Installation
Interface configuration
Phone / Fax/Fax.
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