ADTRAN Total Access 1500 Dual Line Interface Unit Installation And Maintenance Practice

APIRAri
Section 61180009L1-5D
Issue 4, May 2006
CLEI Code: VAL2HF0A_
Total Access 1500 Dual Line Interface Unit (LIU)
Installation and Maintenance Practice
Revision History
This is the fourth issue of this practice. This issue
reflects updates to the Total Access 1500 System
Software Release 3.0, Dual LIU software T07D, and
incorporates the addition of new features including:
• Changed CLK OOS Alarm in Alarms menu to
Disable as factory default
• Incorporation of automatic mapping for 2B+D
ISDN when in Dual T1 mode
• Removed signaling bits from 4-wire TO
A full list of features is detailed in Total Access 1500
System Release 3.0 Release Notes available at
NOTE
This release of the LIU software is designed to
operate with System Controller Unit (SCU)
software release V08 or later to support these
feature enhancements.
Description
The Dual LIU is a common module for the Total Access
1500 chassis (P/N 1180001L1) or (he Total Access
1500 19-inch chassis (P/N 1180019L1).
The Dual LIU connects the chassis to a T1 line at the
DSX-1 or DS1 level. All data formatting and line
encoding as well as backplane timing and control are
performed by the Dual LIU.
61180009L1-5D