Mitel 470 System Manual page 145

Fig. 58 Connection for FXS mode: 2-wire door
Tab. 70 Cable requirements for FXS mode: 2-wire door
Core pairs × cores
Stranded
Wire diameter, core
FXS resistance
Line length 0.6 mm diameter
Screening
FXS mode: External audio source
One FXS interface per communication server can be configured for connecting an au-
dio device. In this mode the FXS interface becomes an audio input that can be used for
the following purposes:
• to play music or an announcement to connections with callers on hold ("Music on
hold" function).
• to play music or an announcement for the announcement service (announcement
prior to answering), voice mail greetings or for "Music on hold" and then to store it as
a wave file.
FXS interface
Fig. 59 Connection for FXS mode: External audio source
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016
a
b
FXS interface
1 × 2
only with lengths > 200 m
0.4 ... 0.8 mm
max. 2 × 200 Ω
max. 3 km
not required
1k
a L
R
1k
b Gnd
line out
Installation
145