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Page 249 of 906
Circuit Card Description and Installation
312
NT5D33 and NT5D34 Lineside E1
Interface cards
Contents
This section contains information on the following topics:
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Physical description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Functional description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Electrical specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Installation and Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Man-Machine E1 maintenance interface software . . . . . . . . . . . . . . . . 284
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
Introduction
Two vintages of NT5D33 and NT5D34 cards are supported:
• NT5D33AB/NT5D34AB – standard Lineside E1 Interface (LEI) cards
The LEI card is an IPE line card that provides an all-digital connection
between E1–compatible terminal equipment (such as a voice mail
system) and CS 1000S, CS 1000M, or Meridian 1.
The LEI interfaces one E1 line, carrying 30 channels, to the CS 1000S,
CS 1000M, or Meridian 1, and emulates an analog line card to the system
software. Each channel is independently configured by software control