ISDN_NT1_Data_Sheet ISDN NT1 Data Sheet

User Manual: ISDN_NT1_Data_Sheet

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61202.019L1-8B/NT1 ACE BRO;

12/1/95 1:18 PM

Page 1

T

he 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 sub-

scriber’s 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 subscriber’s 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.

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Conforms to A T1.605-1992
and ANSI
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Supports m S-100, Siemens EWSD,
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Responds to Q Loss Test
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Provides auto r S/ T power
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ance;
inating imped ated
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Provides U-in ction
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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 or
with an external power source. The wall-mount power supply
provides up to 10 watts of power for terminal equipment. The
NT1 ACE monitors the S/T interface for overcurrent fault conditions. In the event of such a condition, the unit automatically
limits the amount of delivered current until the fault condition is
removed.
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 following two modes: multiple terminals within 50 meters
of each other over the full 1500 meter range of the interface,
or multiple terminals 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.
Three LED status indicators on the NT1 ACE aid in fault
isolation. Indicators display the status for Power, Network
Ready, Network and Customer Errors, and Network Test.

61202.019L1-8B/NT1 ACE BRO;

12/1/95 1:18 PM

Page 2

Customer Premises

Telephone Company Office
U-Interface

ADTRAN
READY
ERROR

ISDN Switch

POWER

Local Loop

NT1 ACE

S/T
BUS

NT1 ACE

CORPORATE OFFICE
901 Explorer Boulevard
Huntsville, Alabama 35806
(800) 827•0807
Fax (205) 971•8699

SALES OFFICES
Pasadena, CA
(800) 788•5408
Local (818) 577•5400

TA

Denver, CO
(303) 220•4777
Atlanta, GA
(800) 332•6945
Local (404) 806•9788

NT1 ACE

ISDN Phone

Chicago, IL
(708) 851•6699
Kansas City, MO
(913) 663•3939

S/T

S/T
LOCAL

NETWORK POWER
U

St. Louis, MO
(314) 256•4433
New York, NY
(203) 261•3554
Philadelphia, PA
(610) 559•6000

NETWORK INTERFACE

CUSTOMER INTERFACE

PHYSICAL

LINE
2-wire (TIP and Ring)

LINE
4-wire (Tx and Rx Pair)

SIZE
1.35” H, 3.75” D, 6.25” W

OPERATING MODE
Full-duplex

OPERATING MODE
Full-duplex

WEIGHT
9.5 oz

DATA RATE
160 kbps total; 144 kbps
available to customer

DATA RATE
192 kbps total; 144 kbps
available to customer

POWER
-48 VDC, 1.1 W dissipation
Sources S/T power to 10 W

SIGNAL FORMAT
2B1Q

SIGNAL FORMAT
Alternate mark inversion, 100% duty cycle

OUTPUT AMPLITUDE
2.5 Volt, Zero-to-Peak

OUTPUT AMPLITUDE
0.75 V, Zero-to-peak

TX SOURCE IMPEDANCE
As per ANSI T1.601-1992

TX SOURCE IMPEDANCE
As per ANSI T1.605-1992

RX SOURCE IMPEDANCE
As per ANSI T1.601-1992

RX SOURCE IMPEDANCE:
As per ANSI T1.605-1992

RECEIVER SENSITIVITY
As per ANSI T1.601-1992

RECEIVER SENSITIVITY
As per ANSI T1.605-1992

FCC APPROVAL

SWITCH COMPATIBILITY

FCC Part 15, Class B

AT&T 5ESS, NTI DMS-100, NEC
National ISDN-1

Dallas, TX
(214) 869•7699
Washington D.C.
(703) 777•3037
Canada
(416) 805•9937

ORDERING INFORMATION

ENVIRONMENTAL
OPERATING TEMPERATURE
0°C to 50°C

Equipment

Part Number

NT1 ACE & wall-mount
power supply
1202019L1

STORAGE TEMPERATURE
-20°C to 70°C
RELATIVE HUMIDITY
Up to 95%, non-condensing

ADTRAN is an ISO 9001
registered company.
61202.019L1-8B
June 1995
Specs subject to change without notice
Printed in U.S.A.

Printed on recycled paper
©ADTRAN, Inc. 1995



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