ascom
Ascotel 2025/2045/2065
4.40
Cabling Interfaces
HBT_20321104_04/B0_en
7.3.1.3
Cable Requirements
Tab. 4.19:
Cable requirements for the basic access (NT1 to PBX)
A prefabricated cable (NT-side with RJ45) is available as an option.
7.3.1.4
Basic Access T, Network-Side
[1] Do not connect power supply NT1
[2] Do not fit the jumper
Fig. 4.31:
Basic access on NT1
Core pairs x cores
1 x 4 or 2 x 2
Stranded
yes
Wire diameter, core
0.4…0.6 mm
Screening
recommended
Characteristic impedance
< 125
W
(100 kHz), < 115
W
(1MHz)
Wave attenuation
< 6 dB/km (100 kHz), < 26 dB/km (1MHz)
Near / crosstalk attenuation
> 54 dB/100 m (1kHz to 1MHz)
Exchange
NT1
230 VAC
PBX
c
a
b
d
e
f
[2]
[1]
U
T
c
d
e
f
T
haz0621aaenb0
Содержание Ascotel 2025
Страница 1: ...Ascotel ISDN telecommunications system from ascom Ascotel 2025 2045 2065 System Manual...
Страница 51: ...ascom Ascotel 2025 2045 2065 1 II HBT_20321104_01 B0_en...
Страница 109: ...ascom Ascotel 2025 2045 2065 1 54 Networking the Systems HBT_20321104_01 B0_en...
Страница 167: ...ascom Ascotel 2025 2045 2065 1 112 Ascotel Information Management System AIMS HBT_20321104_01 B0_en...
Страница 169: ...ascom Ascotel 2025 2045 2065 2 II HBT_20321104_02 B0_en...
Страница 177: ...ascom Ascotel 2025 2045 2065 2 X HBT_20321104_02 B0_en...
Страница 291: ...ascom Ascotel 2025 2045 2065 2 114 Routing Elements HBT_20321104_02 B0_en...
Страница 397: ...ascom Ascotel 2025 2045 2065 2 220 Data Services HBT_20321104_02 B0_en...
Страница 627: ...ascom Ascotel 2025 2045 2065 3 II HBT_20321104_03 B0_en...
Страница 653: ...ascom Ascotel 2025 2045 2065 3 22 System and Expansion Limits HBT_20321104_03 B0_en...
Страница 717: ...ascom Ascotel 2025 2045 2065 3 86 Planning DECT Systems HBT_20321104_03 B0_en...
Страница 765: ...ascom Ascotel 2025 2045 2065 3 134 Planning a Private Network HBT_20321104_03 B0_en...
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Страница 771: ...ascom Ascotel 2025 2045 2065 4 VI HBT_20321104_04 B0_en...
Страница 805: ...ascom Ascotel 2025 2045 2065 4 34 Connecting the PBX HBT_20321104_04 B0_en...
Страница 875: ...ascom Ascotel 2025 2045 2065 4 104 Cabling Interfaces HBT_20321104_04 B0_en...
Страница 897: ...ascom Ascotel 2025 2045 2065 5 II HBT_20321104_05 B0_en...
Страница 929: ...ascom Ascotel 2025 2045 2065 5 30 Configuration Steps HBT_20321104_05 B0_en...
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Страница 973: ...ascom Ascotel 2025 2045 2065 6 IV HBT_20321104_06 B0_en 4 Customer Induction 6 19 5 Handover to the Customer 6 20...
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Страница 1019: ...ascom Ascotel 2025 2045 2065 7 20 Data Maintenance HBT_20321104_07 B0_en...
Страница 1085: ...ascom Ascotel 2025 2045 2065 7 86 Operations Supervision HBT_20321104_07 B0_en...
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Страница 1089: ...ascom Ascotel 2025 2045 2065 8 IV HBT_20321104_08 B0_en...
Страница 1095: ...ascom Ascotel 2025 2045 2065 8 6 Systematic Designation System HBT_20321104_08 B0_en...
Страница 1115: ...ascom Ascotel 2025 2045 2065 8 26 Designation Labels HBT_20321104_08 B0_en...
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Страница 1123: ...ascom Ascotel 2025 2045 2065 9 6 Abbreviations HBT_20321104_09 B0_en...
Страница 1135: ...ascom Ascotel 2025 2045 2065 9 18 Glossary HBT_20321104_09 B0_en...