ADTRAN Network Card NT1 ACE User Manual

NT1 ACE  
ISDN Network Termination  
®
Product Features  
The ADTRAN NT1 ACE provides the  
network termination for 2B1Q ISDN basic  
rate service. The NT1 ACE provides a 2B+D  
basic rate interface between the subscribers  
terminal equipment and the ISDN network.  
Basic rate ISDN consists of two 64 kbps B  
channels and a single 16 kbps D channel.  
Connection to the ISDN network is made  
with a U interface. Connection to the  
subscribers terminal equipment is by an  
S/T interface. The U and the S/T interfaces  
conform to ANSI and CCITT standards and  
perform all Layer 1 functions.  
the S/T interface for overcurrent fault condi-  
tions. In the event of such a condition, the unit  
automatically limits the amount of delivered  
current until the fault condition is removed.  
Compatible with 2B1Q  
basic rate services and  
standard ISDN terminals  
Provides 2B+D basic  
rate service  
As many as eight passive bus devices may be  
connected to the S/T interface of the NT1.  
These connections can be in one of the  
Conforms to ANSI T1.601-  
1992 and ANSI  
T1.605-1991  
following two modes: multiple terminals within  
50 meters of each other over the full 1,500  
meter range of the interface, or multiple termi-  
nals of arbitrary spacing within 200 meters.  
Also, termination impedance options include  
50 Ohm, 100 Ohm, or unterminated. The NT1  
ACE is protected from lightning and harmful  
line transients on the network interface.  
Supports multiple switch  
vendors Lucent 5ESS, NTI  
DMS-100, Siemens EWSD,  
NEC, and National ISDN-1  
Responds to Quiet Mode  
and Insertion Loss Test  
The NT1 ACE is designed with aesthetics as  
well as functionality in mind. The unit is  
enclosed in an attractive, durable plastic  
housing appropriate for desk-top use. The NT1  
ACE is powered by the wall-mount power  
supply included with the unit. The wall-mount  
power supply provides up to 8.9 W of power for  
terminal equipment. The NT1 ACE monitors  
Provides automatic  
overcurrent protection  
for S/T power  
Three LED status indicators on the NT1  
ACE aid in fault isolation. Indicators display  
the status for Power, Network Ready, Network  
and Customer Errors.  
Selectable terminating  
impedance; 50 Ohm,  
100 Ohm, or unterminated  
Provides U-interface  
lightning protection  
Standard five-year  
warranty  
Telephone  
Company Office  
Customer Premises  
NT1 ACE  
Video-  
Conference  
Equipment  
READY  
ERROR  
POWER  
U-Interface  
Local Loop  
S/T  
ISDN  
Switch  
BUS  
NT1 ACE  
ISDN Phone  
 

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