ADTRAN Network Card AHT1U User Manual

AHT1U  
L O W V O L T A G E A S Y N C H R O N O U S  
H T U - C L I N E C A R D  
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.  
P R O D U C T F E A T U R E S  
ADTRANs 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.  
RS-232 maintenance port  
784 kbps dual duplex 2B1Q  
HDSL transmission over two  
wire pairs  
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.  
Front panel status LEDs  
conforming to the appearance  
and function of typical Litespan  
line cards  
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).  
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  
 

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