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
© 1991, 1994
All rights reserved
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.

v
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

vi 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