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Product Specifications
LOOP INTERFACE
■
Modulation Type:
2B1Q
■
Mode:
Full duplex, echo cancelling
■
Number of pairs:
Two
■
Bit Rate:
784 kbps per pair
■
Baud Rate:
392 kbps per pair
■
Service Range:
Defined by CSA guidelines
■
Loop Loss:
36 dB maximum @ 200kHz
■
Bridged Taps:
Single Taps <2 kft, total taps
≤ 2.5 kft
■
Performance:
Compliant with Bellcore
TA-NWT-001210
■
HDSL Tx Signal Level:
13.5 dBm
■
Imput Impedance:
135Ω
■
Return Loss:
20 dB (40 kHz to 200 kHz)
DIAGNOSTICS
■ Local loopback (HTU-C)
■ Remote loopback (HTU-R)
■ Troubleshooting screen
MOUNTING
■ Litespan 2000 DBA, Litespan 2012 CBA, or
an ONU CBA
ENVIRONMENT
■
Operating (standard):
–40° to 70°C
■
Storage Temperature:
–40° to 85°C
PHYSICAL
■
Dimensions:
4.42" H, 0.84" W, 10.4" D
■
Weight:
Less than one pound
■
Humidity:
Up to 95% non-condensing
POWER
■
Max Power Dissipation HTU-C and
HTU-R:
< 4 watts
■
Span Power:
–135 VDC internally
generated from the –48 VDC
Ordering Information
EQUIPMENT PART #
AHT1U HTU-C for DSC Litespan
AHT1U Narrowband
Wideband Wiring................................1245002L6
Call for individual module information.
Specifications subject to change without notice.
CORPORATE OFFICE
901 Explorer Boulevard
Huntsville, AL 35806
800 9ADTRAN
Local: 256 963-8000
Fax: 256 963-8699
Fax Back: 256 963-8200
http://www.adtran.com
email: info@adtran.com
TELCO TECHNICAL
SUPPORT
800 726-8663
REGIONAL OFFICES
Irvine, CA
800 788-5408
Denver, CO
800 471-8651
Atlanta, GA
800 332-6945
Kansas City, KS
800 471-8649
Philadelphia, PA
800 471-8656
Dallas, TX
800 471-8648
Canada
800 232-6811
ADTRAN is an ISO 9001
registered company.
Printed in U.S.A. on recycled paper
61245.002L6-8A May 1998
©ADTRAN, Inc. 1998