Page 761 of 894
Circuit Card Description and Installation
772
NTBK50 2.0 Mb PRI card
Contents
This section contains information on the following topics:
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 761
Physical description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 762
Functional description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 765
Architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 766
Introduction
The NTBK50 2.0 Mb PRI card provides a 2.0 Mb PRI interface. It supports
the NTAK20 clock controller daughterboard and either the NTAK93
D-channel interface or the NTBK51 Downloadable D-channel handler. The
NTAK93 DCHI daughterboard provides identical performance to the
on-board NTAK79 DCHI. The NTBK51 DDCH daughterboard provides
support for protocols based on the MSDL platform.