Page 181 of 894
Circuit Card Description and Installation
236
NT5D11 and NT5D14 Lineside T1
Interface cards
Contents
This section contains information on the following topics:
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Physical description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Functional description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Electrical specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Installation and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Man-Machine T1 maintenance interface software . . . . . . . . . . . . . . . . 213
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Introduction
This section describes the two lineside T1 interface cards:
• NT5D11 – applicable for Large Systems only
• NT5D14 – applicable for Small Systems only
Note: Unless otherwise stated, the information in this section applies to
both the NT5D11 and NT5D14 lineside T1 interface cards.
The NT5D11 lineside T1 Interface card is an intelligent 24-channel digital
line card that is used to connect the switch to T1 compatible terminal
equipment on the lineside. T1 compatible terminal equipment includes voice