Overview; Hardware Requirements - Nortel Communication Server 1000S Installation And Configuration Manual

Page 332 of 394

Overview

Hardware requirements

Circuit cards
553-3001-201 Standard 2.00
2.0 Mb PRI implementation
This chapter provides the information required to install 2.0 Mb PRI on a
system. It includes information about hardware installation and software
implementation.
To implement 2.0 Mb PRI, an NTAK79 or an NTBK50 PRI card plus
associated daughterboards is required.
Table 91
2.0 Mb PRI hardware requirement (Part 1 of 2)
Circuit card
NTBK50
NTAK79
NTAK20
September 2004
Description
2.0 Mb PRI circuit card.
Supports the NTAK20 clock controller
daughterboard and a D-channel handler
interface daughterboard (NTAK93 DCHI or
NTBK51 DDCH).
2.0 Mb PRI circuit card.
Supports an on-board clock controller and an
on-board D-channel handler interface.
Clock-controller daughterboard. The system
supports only one active clock controller per
system or IP expansion cabinet.
Every cabinet or MG 1000S that
Note:
contains a digital trunk must contain a clock
controller
.
Connects to the NTBK50 PRI card.