Aethra NT1 2000 Specification

FUNCTIONAL FEATURES
Two-way transfer on the user's binding
8
Two-way transfer (4 wires) towards the user
8
installation (S/T interface)
Remote power supply to the terminal from the
8
exchange (in the case of AC power outage at the user's
premises the remote terminal must be configured for
telephone service)
Transfer of 4.5 W from the 220V mains to the S/T
8
interface for remote power supply to the terminals
Galvanic insulation between the user line pair, S/T
8
interface and the AC mains
Protection against excess voltage on the user pair, the
8
S/T interface and the 220V power supply
Aethra Telecomunicazioni - Internet: www.aethra.com - Email mktg@aethra.com
Headquarters:
60020 Ancona (Italy)
Via Matteo Ricci, 10
Telephone: +39.071.218981
Fax: +39.071.887077
Video: +39.071.2189701/2/3/4
©Aethra - All rights reserved - With the right to modify characteristics Code 071073002GB Rev. 0 (03/01)
NT1 2000
The Aethra NT1 2000 is used as a network
termination for basic access to ISDN networks
and features 2-channel transmission at 64
Kbit/sec and single channel transmission at 16
Kbit/sec (2B+D) on a single line pair. The NT1
2000 makes it possible to connect up to 8 ISDN
terminations (TE) on the S/T interface, while the
terminations themselves can be powered by a
220V internal power unit connected to the mains.
The device is ETSI 300012 and CCITT I 430
compliant as concerns the technical
specifications of the S/T interface (level 1), as
well as TS 102 080 and CCITT G961 compliant as
concerns the electrical specifications of the U
interface.
STANDARD FEATURES
2-wire interface on the U reference point; three types
8
of connectors are available: RJ11 or RJ45 or screw
connector.
4-wire user bus on the S/T reference point with
8
impedance adaption
Supports up to 8 NT1 terminals with 2 power
8
supply modes (normal and emergency).
NT1
S0
Offices:
Turin, Milan, Venice, Bologna,
Rome, Naples, Palermo,
Miami, Dubai, Beijing, Santiago
Lima, Paris
U
1
2
..Up to 8
Aethra - Ancona
ISO9001 Certified