ascom
Ascotel 2025/2045/2065
HBT_20321104_04/B0_en
Cabling Interfaces
4.45
Tab. 4.22:
Cabling primary rate access T2 on the trunk cards ISDN-0xPRA
7.3.2.2
Cable Requirements
Use commercial patch cable, straight (progressive) Cat. 5 or choose a cable type
with the following characteristics:
Tab. 4.23:
Cable requirements for primary rate access (NT1 to PBX; ISDN-0xPRA
ISDN trunk card)
Interface on
card
Trunk connection
No.
RJ45, 8-pin, screened
Connection
Pin
IS
D
N
-0
2P
RA
x.2
1
RxA2
2
RxB2
3
—
4
TxA2
5
TxB2
6
—
7
—
8
—
IS
D
N
-0
1P
RA
x.1
1
RxA1
2
RxB1
3
—
4
TxA1
5
TxB1
6
—
7
—
8
—
Core pairs x cores
Stranded
Wire diameter, core
Screening
2 x 2 (for short distances also 1 x 4)
yes
0.4...0.6 mm
yes (Cat. 5)
Characteristic impedance
Wave attenuation
Near / crosstalk attenuation
< 125
W
(100 kHz), < 115
W
(1MHz)
< 6 dB/km (100 kHz), < 26 dB/km (1MHz)
> 54 dB/100 m (1kHz to 1MHz)
8
7
6
5
4
3
2
1
haz1127aaxxa0
8
7
6
5
4
3
2
1
haz1127aaxxa0
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...
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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...
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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 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...
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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 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...