Nortel QPC472 User manual

DTI/CPI Installation and data administration

Meridian 1

Digital Trunk Interface/Computer-to-PBX

Interface

Installation and data administration

Document Number: 553-2811-200

Document Release: Standard 6.0

Date: December 1994

Year Publish FCCTM

Printed in the United States of America

Information is subject to change without notice.Northern Telecom reserves the right to make changes in design

or components as progress in engineering and manufacturing may warrant.This equipment has been tested

and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules.

SL-1 and Meridian 1 are trademarks of Northern Telecom.

iii

DTI/CPI Installation and data administration

Revision history

September 16, 1991

Standard, release 1.0. Reissued for compliance with Northern Telecom

standard 164.0.

This document has been merged with

DTI/CPI wire list

(553-2811-200

Appendix 1). The information previously contained in that document is now

contained in the chapter, “Wire list,” in this document.

December 1, 1991

Standard, release 2.0. This document is reissued to include technical content

updates. Due to the extent of the changes, revision bars are omitted.

December 31, 1992

Standard, release 3.0. This document is issued to include technical updates.

Changes are noted with revision bars in the margins.

August 1, 1993

Standard, release 4.0. This document is reissued for updates and changes

resulting from X11 release 19. All updates are noted with revision bars in the

margins.

October 31, 1993

Standard, release 5.0. This document has been reorganized to enhance ease of

use and updated to reflect current technical information. Technical changes

are noted with revision bars in the margins.

December 1994

Standard, release 6.0. Reissued to include editorial changes and indexing.

Due to the extent of the changes, revision bars are not used.

DTI/CPI Installation and data administration

Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Other documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

DTI installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Equipment overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

DTI interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

QPC472 DTI specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

QPC720 PRI specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Cable requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Installation procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Removing the DTI card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

ST, STE systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

MS systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

N/NT and RT systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

XN/XT systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

21A, 21, 51, 61, 71, and 81 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Echo Canceller interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Clock Controller installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Determining slots and shelves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Replacing a Clock Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Installing a Clock Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Starting the Clock Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Clock Controller commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Installing the Clock Controller in a single group . . . . . . . . . . . . . . 36

Contents

553-2811-200 Standard 6.0 December 1994

Cabling requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

NT8D74 Clock Controller to InterGroup cable . . . . . . . . . . . . . . . 40

NT8D75 Clock Controller to Clock Controller cable . . . . . . . . . . . 40

NT8D79 PRI/DTI to Clock Controller cable . . . . . . . . . . . . . . . . . 41

Data administration . . . . . . . . . . . . . . . . . . . . . . . . 43

DTI data administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

CPI data administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Acceptance tests . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Self-test procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Automatic loop test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Automatic loop test procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Link diagnostic and remote loopback tests . . . . . . . . . . . . . . . . . . . 55

Link diagnostic and remote loopback test procedures . . . . . . . . . . 56

Wire list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

QCAD129/NT9J93xx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

QCAD133/NT8D97xx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

QCAD128/NT8D83xx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

vii

DTI/CPI Installation and data administration

List of figures

Figure 1

QPC472 DTI faceplate layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 2

QPC720 PRI faceplate layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 3

ST, STE cabling arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 4

Switch settings in DTI mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 5

Switch settings in DTI mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 6

MS cabling arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 7

Switch settings in DTI mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 8

N/NT, 51, RT, and 61 single and half group cabling arrangement . . . 21

Figure 9

Switch settings in DTI mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 10

XN/XT and 71 cabling arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 11

DTI-to-Echo Canceller cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 12

DTI remote loopback test and DTI link diagnostic test . . . . . . . . . . . . 56

DTI/CPI Installation and data administration

List of tables

Table 1

QPC472 transmission equalization SW2 switch settings for DTI . . . . 5

Table 2

QPC472 DTI external connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Table 3

QPC720 transmission equalization SW2 switch settings

for PRI/DTI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 4

SW3 options for the QPC720 PRI/DTI . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 5

QPC720 PRI external connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 6

DTI cables and cable lengths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Table 7

Possible card locations by system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Table 8

Cable connections to the Clock Controller, Network, Patch panel,

I/O panel, and Echo Canceller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table 9

DTI-to-Echo Canceller pin assignments . . . . . . . . . . . . . . . . . . . . . . . 27

Table 10

Operating parameters for the Echo Canceller . . . . . . . . . . . . . . . . . . . 27

Table 11

Settings for the 24 channels on the Echo Canceller . . . . . . . . . . . . . . . 28

List of tables

553-2811-200 Standard 6.0 December 1994

Table 12

Clock Controller shelves and slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Table 13

Clock Controller switch settings for QPC471 vintage A . . . . . . . . . . . 29

Table 14

Clock Controller switch settings for QPC471 vintages B, C, D, E,

F, and G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Table 15

Clock Controller switch settings for QPC471 vintage H . . . . . . . . . . . 31

Table 16

Clock Controller switch settings for QPC775 . . . . . . . . . . . . . . . . . . . 31

Table 17

QCAD129/NT9J93xx wire list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Table 18

QCAD133/NT8D97xx wire list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Table 19

QCAD128/NT8D83xx wire list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Page 1 of 66

DTI/CPI Installation and data administration

Introduction

This document provides installation, data administration, and acceptance test

procedures for the Digital Trunk Interface and Computer-to-PBX Interface

(DTI/CPI) features.

These features are available on ST, STE, RT, MS, N, NT, XN, and XT

systems and on Meridian 1 system options 21, 21E, 51, 61, 71, and 81. The

DTI/CPI features are offered on the following X11 software releases:

— Release 5 and later software for N and XN systems

— Release 8 and later for M, NT, and XT systems

— Release 9 and later for ST systems

— Release 12 and later for RT systems

— Release 15 and later for system options 21, 21A, 51, 61, and 71

— Release 18 and later for system options 21E, STE, and 81

Note:

Throughout this document, Meridian 1 refers to all Meridian

systems unless otherwise noted.

The document includes the following sections:

—

DTI installation:

overview of DTI hardware, interfaces, and cable

requirements, including installation and removal procedures for DTI

cards, Echo Cancellers, and Clock Controllers.

—

Data administration:

procedures for provisioning the DTI feature and

the CPI feature.

—

Acceptance tests

: acceptance test procedures for the DTI feature.

—

Wirelist

:informationonbuildingexternal cables of nonstandardlengths

for DTI interface applications.

Page 2 of 66

Introduction

553-2811-200 Standard 6.0 December 1994

Other documentation

Refer to the following Northern Telecom Publications for more information:

—

Meridian 1 system installation procedures

(553-3001-210)

—

Circuit card installation and testing

(553-3001-211)

—

ISDN Primary Rate Interface installation

(553-2901-200)

—

Digital Trunk Interface/Computer-to-PBX Interface maintenance

(553-2811-500)

—

X11 input/output guide

(553-3001-400)

—

Digital Trunk Interface/Computer-to-PBX Interface description

(553-2811-100)

Page 3 of 66

DTI/CPI Installation and data administration

DTI installation

This chapter describes the procedures for installing and removing DTI/CPI

equipment and Clock Controllers in a variety of systems. The descriptions

include cable requirements.

The first part of the chapter provides detailed information on the DTI card. A

section on the Echo Canceller follows the DTI information. The last part of

the chapter focuses on Clock Controllers.

Equipment overview

TheDTI connectsa Networkloop toan externalDS-1 interfacefor bothvoice

and data transmission over 24 digital channels.

The DTI interface requires a

QPC472

DTI or

QPC720

Primary Rate

Interface (PRI) card. Because this document deals with DTI functions, both

cards are referred to as the “DTI” card or “DTI” hardware whenever their

function is identical.

Clock Controllers synchronize the system clock rate with the clock rates of

digital switching and transmission equipment over a T1 circuit. Dual CPU

systems have two Clock Controllers: CC0 (associated with CPU 0) and CC1

(associated with CPU 1).

The standard Meridian 1 Clock Controller is the

QPC471

, currently available

in vintages C, D, E, F, G, and H. Option 81 must use vintage H.

Customers outside the United States can use the

QPC775

. Vintage A of the

QPC775 can be used with non-networked systems (systems linked directly to

a central office); vintage B is appropriate for networked systems (Meridian 1

to Meridian 1 configuration). Customers with option 81 systems must use

QPC775 vintage C.

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