ADTRAN AHT1U manual Product Specifications, Ordering Information

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ADTRAN is an ISO 9001 registered company.

Printed in U.S.A. on recycled paper 61245.002L6-8A May 1998 ©ADTRAN, Inc. 1998

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.