Cable Requirements; Basic Access T, Network-Side - ASCOM Ascotel 2025 System Manual

ascom Ascotel 2025/2045/2065
7.3.1.3

Cable Requirements

Tab. 4.19: Cable requirements for the basic access (NT1 to PBX)
Core pairs x cores
Stranded
Wire diameter, core
Screening
Characteristic impedance
Wave attenuation
Near / crosstalk attenuation
A prefabricated cable (NT-side with RJ45) is available as an option.
7.3.1.4

Basic Access T, Network-Side

Exchange
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[1] Do not connect power supply NT1
[2] Do not fit the jumper
Fig. 4.31: Basic access on NT1
4.40 Cabling Interfaces
1 x 4 or 2 x 2
yes
0.4...0.6 mm
recommended
< 125 W (100 kHz), < 115 W (1MHz)
< 6 dB/km (100 kHz), < 26 dB/km (1MHz)
> 54 dB/100 m (1kHz to 1MHz)
230 VAC
[1]
NT1
U T
c
a
d
b
e
f
[2]
PBX
T
c
d
e
f
HBT_20321104_04/B0_en