Ascotel® IntelliGate® 150/300 as of I7.9
Installation
109
sy
d-
021
0/1.
7
– I7.
9 – 1
2.
2009
Fig. 55
RJ45 connection, double socket
Installation rules
Always terminate the bus extremity with 2 x 100
Ω
(0.25 W, 5%)!
Cable Requirements
Tab. 44
Requirements for an S bus cable
Terminals
The ETSI protocol must be set in the interface configuration.
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)
c
f
e
d
1
2
3
4
5
6
7
8
RJ45, double
Connect housing
screens
Fit resistors at bus extremity only
1
2
3
4
5
6
7
8
2x100
Ω
haz0027aaena0
Front view
of RJ45
