Installation
128
Aastra 415/430 as of R3.2
syd-0344/1.6 – R3.2 – 09.2014
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
Am.
Tab. 60
Cable requirements for FXS mode: Phone/fax
FXS mode: 2-wire door
In this mode 2-wire door intercoms with DTMF control functions can be connected.
The no-load voltage in this mode is 24 VDC. The loop current is limited to 25 mA.
Fig. 54
Connection for FXS mode: 2-wire door
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
Line length 0.6 mm diameter
max. 10 km
Screening
not required
a
b
FXS interface
a
b
FXS interface