COBHAM AVIATOR 700 - Use a Phone or Fax Machine (SDU); Available Interfaces (SDU); Select a Call Type (SDU)

Chapter 3: Calls, faxes and SMS
34 Use a phone or fax machine (SDU)
Use a phone or fax machine
(SDU)
Available interfaces (SDU)
Several types of voice equipment connect to the SDU:
Standard analog phone or G3 fax machine: The SDU has two phone
interfaces for connecting standard analog phones or fax machines.
ISDN phone or G4 fax machine: The SDU has one ISDN interface for
connecting an ISDN phone, a modem or a fax machine.
Full-feature handset: the SDU has four phone interfaces for connecting
Full Feature handsets.
Check the cabin installation to locate the SDU connectors for telephones
and fax machine.
Select a call type (SDU)
This is typically set up during initial configuration of the system.
The phone connection can use one of the following call types:
• H
+
Voice: Voice connection compressed to 4.8 kbps,
• 3.1 kHz Audio: High quality connection used for Premium Voice, G.3
fax or analog modem,
• UDI or RDI (only on ISDN interface): used for G4 fax or data
The default setting for an AVIATOR 700 system is standard voice.
In the Aero-SDU Configuration Program which is used during the
installation of the system you can set up which type of connection should
be preferred to use when you make or receive a call from the telephone
interfaces.
Note
Modem or fax: When connecting a fax or a modem to the
Phone/Fax interface you must use 3.1 kHz Audio.