Ascotel® IntelliGate® 150/300 as of I7.9
Installation 109
syd-0210/1.7 – I7.9 – 12.2009
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
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