Installation
128
Mitel 415/430 as of R4.1
syd-0580/1.2 – R4.1 – 08.2016
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
• Group 3 fax
1)
• Answering machines
• Modem
Fig. 53 Connection for FXS mode: Phone/fax
The no-load voltage at the ports is approx.53 VDC. The loop current is limited to 25
mA.
Tab. 60 Cable requirements for FXS mode: Phone/fax
1) Transmission with the T.38 protocol is recommended for Fax over IP. The corresponding media re-
sources need to be allocated.
All ports
Core pairs
×
cores 1
×
2
Stranded only with lengths > 200 m
Wire diameter, core 0.4 … 0.8 mm
FXS resistance max. 2
×
625
Ω
Line length 0.6 mm diameter max. 10 km
Screening not required
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