Ascotel® IntelliGate® 2025/2045/2065 as of I7.9
126
Installation
sy
d-
020
4/1.
7
– I7.
9
– 1
2
.2009
Cable Requirements
Tab. 58
Requirements for an S bus cable
Terminals
The ETSI protocol must be set in the interface configuration.
Up to 8 terminals of different types can be connected to one S bus.
•
Standard ISDN terminals
•
ISDN Terminal Adapter
•
PC with ISDN card
•
Group 4 fax machines
1)
, etc.
Two call connections are possible simultaneously for each S bus.
Core pairs x cores
Stranded
Wire diameter, core
Screening
1 x 4 or 2 x 2
yes
0.4…0.6 mm
recommended
Ohmic resistance
Characteristic impedance
Wave attenuation
Near / crosstalk attenuation
< 98
Ω
/km (conductor), < 196
Ω
/km (loop)
< 125
Ω
(100 kHz), < 115
Ω
(1 MHz)
< 6 dB/km (100 kHz), < 26 dB/km (1 MHz)
> 54 dB/100 m (1 kHz to 1 MHz)
1)
Not possible within an AIN