ASCOM Ascotel 2025, System Manual

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ascom Ascotel 2025/2045/2065
HBT_20321104_04/B0_en Cabling Interfaces 4.61
Installation Rules
• If the Ascotel DECT radio unit is used, do not connect any other system termi-
nal to the same AD2 bus.
• Do not use any terminating resistors at the bus extremity.
• Avoid using different cable cross-sections on the same bus.
• The distance between connecting point
«
system terminal is
£
6 m.
Cable Requirements
Tab. 4.36: Requirements for an AD2 bus cable
Connection Sockets
Fig. 4.45: RJ45 connection, single socket
Core pairs x cores 1 x 2 or 1 x 4
Stranded yes
1)
1)
Note: max. 25 m can be crossed unstranded.
(CH: Applies also to cable type G51)
Wire diameter, core 0.4…0.6 mm
Screening recommended
Characteristic impedance < 130
W
(1MHz)
a
b
1
2
3
4
5
6
7
8
RJ45, 8-pin
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