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The ADTRAN Low Voltage Asynchronous Litespan HDSL Transceiver
Unit for the central office (HTU-C) is a DS1 interface unit that provides T1
service over four-wire interface facilities. The Low Voltage Litespan HTU-C
combine ADTRAN HDSL technology and DSC Litespan technology to provide
an HDSL interface to a Litespan system.
ADTRAN’s Low Voltage Litespan HTU-C is Licensed by DSC to safely
operate in Litespan 2000 and Starspan systems. The unit is licensed under
the Asynchronous High bit-rate Digital Subscriber Line T1 Interface Unit
(AHT1U) channel unit type.
The Low Voltage Litespan HTU-C can be used in Litespan 2000, Litespan
2012, and Litespan ONU channel bank assembly systems containing
Litespan system software versions of 7.1.3 or higher.
The ADTRAN provides the HTU-C products for narrowband and wideband
connections. The Litespan HTU-C is compatible with all ADTRAN HDSL
transceivers for remote sites (HTU-R) and the HDSL Range Extension
(HRE).
PRODUCT FEATURES
■ RS-232 maintenance port
■ 784 kbps dual duplex 2B1Q
HDSL transmission over two
wire pairs
■ Front panel status LEDs
conforming to the appearance
and function of typical Litespan
line cards
■ Performance monitoring and
alarm reporting
■ Low power consumption
■ –135 volt span powering
capability of the Low Voltage
HDSL Range Extender (HRE)
and HDSL Transceiver Unit,
Remote (HTU-R)
■ Troubleshooting functionality
■ Licensed by the DSC Corporation
■ Supports DSC Litespan software
release 7.1.3 or later
■ Can be used in Litespan 2000,
Litespan 2012, and Litespan
ONU channel banks
AHT1U
LOW VOLTAGE ASYNCHRONOUS
HTU-C LINE CARD