Overview; Features - ADC HiGain H2TU-C-319 List 4E User Manual

Adc higain h2tu-c-319 list 4e line unit user manual
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LTPH-UM-1049-02, Issue 2
O
VERVIEW
The H2TU-C-319 List 4E (H2TU-C) line unit is the Central Office (CO) side of a T1 transmission system. The
HiGain HDSL2 product family is fully compliant with the HDSL2 standard ANSI T1.418. Providing full-rate T1
access using a single copper pair, HDSL2 is a cost-effective solution that offers an open architecture. The open
architecture inherent in HDSL2 guarantees interoperability allowing simple and economic accommodation of
network growth.
HiGain HDSL2 products provide 1.552 Mbps transmission on one unconditioned copper pair over the full Carrier
Service Area (CSA) range. The CSA includes loops up to 12,000 feet of 24 AWG wire or 9,000 feet of 26 AWG
wire, including bridged taps.
F
EATURES
Features specific to the List 4E family of HDSL2 modules include:
Report menu option for downloading status and performance monitoring data to a file
Enhanced loopback commands controlled by the SmartJack Loopback (LPBK) option as follows:
100 in-band loopdown command
100000 (1-in-6) in-band loopup command
Connection of the HDSL2 span to Loop 2 on pins K and 9 rather than on Loop 1, pins F and 6
Sources sealing current when connected to an H2TU-R-402 List 5E or higher
Standard features include:
HDSL2 transmission features
Lightning and power cross-protection on HDSL2 interfaces
Full-duplex HDSL2 transmission on one pair at 1.552 Mbps
Ultra-low wander (Stratum 1 compliant)
Grounded loop detection on High-bit-rate Digital Subscriber Line 2 (HDSL2)
Front-panel provisioning features
Four character status display
DS1 splitting and bridge access
Status Light Emitting Diodes (LEDs)
RS-232 craft port for connection to a maintenance terminal
MODE and LBK pushbuttons
Maintenance screens for inventory, provisioning, and troubleshooting
DS1 and HDSL2 performance monitoring
Non-volatile performance monitoring
Performance Report Messaging (PRM) support for Supplemental PRM (SPRM) and Network PRM
(NPRM) at the H2TU-R
Payload (PL) and HiGain (HG) loopback source identification
Margin Alarm (MAL) threshold
H2TU-C-319 List 4E
January 9, 2002

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