Line Interface and Line Access Circuit Full-Feature SLIC
Data Sheet July 2001
L9311 Line Interface and Line Access Circuit Full-Feature SLIC with High Longitudinal Balance, Rin...
Description
Data Sheet July 2001
L9311 Line Interface and Line Access Circuit Full-Feature SLIC with High Longitudinal Balance, Ringing Relay, and GR-909 Test Access
Introduction
The Agere Systems Inc. L9311 is a combination fullfeature, ultralow-power SLIC, solid-state ringing access relay, and line test matrix. It is part of a pinfor-pin compatible family of devices designed to serve a wide variety of applications. The L9311 is optimized for North American access applications where TR-57 longitudinal balance and GR-909 line test are required.
Features
SLIC
s 5 V and battery operation s Optional automatic battery switch s 13 operational and test modes s Appropriate for 58 dB longitudinal balance applica-
tions s Minimal external components required at all inter-
faces s Ultralow power dissipation s Software/hardware adjustable dc parameters and
supervision thresholds s Ground start
Solid-State Ring Relay
s Low impulse noise s Current-limited switches/thermal protection
Line Test Matrix
s GR-909...
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