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Option 11C and 11C Mini Technical Reference Guide
422
Chapter 25 — NT6D71 UILC line card
Contents
This section contains information on the following topics:
Reference List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420
Micro Controller Unit (MCU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420
IPE interface logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420
U interface logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Physical description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Reference List
The following are the references in this section:
• Option 11C ISDN BRI Hardware Installation and Maintenance (553-
3011-311)
Overview
The NT6D71 U Interface Line Card (UILC) supports the OSI physical layer
(layer 1) protocol. The UILC is an ANSI defined standard interface. The
UILC provides eight two-wire full duplex (not polarity sensitive) U interfaces
that are used to connect ISDN BRI compatible terminals over DSLs to the
Meridian 1. A description of the ISDN BRI feature is contained in Option
11C ISDN BRI Hardware Installation and Maintenance (553-3011-311).