Nortel Meridian SL-1 Manual

© 1992 Northern Telecom
All rights reserved.
Meridian 1, Meridian, and SL-1 are trademarks of Northern Telecom.
Title to and ownership of SL-1 software shall at all times remain with Northern Telecom. SL-1 software shall
not be sold outright and the use thereof by the customer shall be subject to the parties entering into
agreement as specified by Northern Telecom.
Information contained in this document is subject to change. Northern Telecom reserves the right, without
notice, to make changes in equipment or program components as progress in engineering, manufacturing, or
technology may warrant.
Shelf upgrades to Meridian 1 553-3001-253
SL-1
System options 21, 61, 71
Shelf upgrades to Meridian 1
Publication number: 553-3001-253
Document status: Standard
Document release: 1.0
Date: January 24, 1992

Shelf upgrades to Meridian 1 553-3001-253
Revision history
January 24, 1992 Standard Release 1.0

Shelf upgrades to Meridian 1 553-3001-253
About this document
This document describes how to upgrade existing SL-1 and Meridian SL-1
systems to operate with features provided by X11 Release 16 and later
versions of software. The upgrading method explained is the shelf upgrade
method.
Throughout this document the upgraded systems are designated as Option
21, 61 and 71. They are so designated because they are capable of
supporting Superloops and Intelligent Peripheral Equipment (IPE).
Detailed information about connecting IPE and Universal Equipment
Modules (UEM) used to house IPE is contained in Northern Telecom
Publication (NTP) 553-3001-250.

i
Shelf upgrades to Meridian 1 553-3001-253
Contents
Compatibility and software conversion methods 1-1
Compatibility 1-1
QPC197 TDS and QPC609 FTDS 1-1
QPC197 TDS and NT8D17 XCT 1-1
QPC609 FTDS 1-1
Conference tone on the NT8D17 XCT 1-1
Software conversion 1-2
Software conversion methods 1-2
Floppy disks prepared ahead of time 1-2
Converting existing software 1-2
Reentering customer data 1-2
Upgrading LE, A, M, MS to Option 21 2-1
Upgrading method 2-1
Equipment required 2-1
Preliminary Steps 2-3
SL-1 LE (QCA23 CE cabinet) to Meridian 1 Option 21 2-3
SL-1 A (QCA28 CE cabinet) to Meridian 1 Option 21 2-12
SL-1 M (QCA37 CE cabinet) to Meridian 1 Option 21 2-17
SL-1 MS (QCA37 CE cabinet) to Meridian 1 Option 21 2-24
SL-1 MS (QCA109 CE cabinet) to Meridian 1 Option 21 2-31
Upgrading from SL-1 S to Option 21 3-1
Upgrading method 3-1
Equipment required 3-1
SL-1 S to Meridian 1 Option 21 3-3
Upgrading from SL-1 LE (QCA23 CE cabinet) to
Option 61 4-1

ii Contents
Shelf upgrades to Meridian 1 553-3001-253
Upgrading method 4-1
Equipment required 4-1
SL-1 LE (QCA23 CE cabinet) to Meridian 1 Option 61 4-3
Upgrading from SL-1 N (QCA23 cabinet) to
Option 61 5-1
Upgrading method 5-1
Equipment required 5-1
Upgrading from SL-1 N (QCA23 CE cabinet) to Meridian
1 Option 61 5-3
Upgrading from SL-1 N (QCA58 cabinet) to
Option 61 6-1
Upgrading method 6-1
Equipment required 6-1
Upgrading from SL-1 N (QCA58 CE cabinet) to Meridian 1
Option 61 6-3
Upgrading from SL-1 VLE/XL to Option 71 7-1
Upgrading method 7-1
Equipment required 7-1
Upgrading from SL-1 VLE/XL to Meridian 1 Option 71 7-4
Upgrading from SL-1 XN (QCA55 cabinet) to
Option 71 8-1
Upgrading method 8-1
Equipment required 8-1
Upgrading from SL-1 XN to Meridian 1 Option 71 8-3
Upgrading from SL-1 N (QCA96 cabinet) to
Option 61 9-1
Upgrading method 9-1
Equipment required 9-1
Upgrading from SL-1 N to Meridian 1 Option 61 9-3
Upgrading from SL-1 XN (QCA97 cabinet) to
Option 71 10-1

Contents iii
Shelf upgrades to Meridian 1 553-3001-253
Upgrading method 10-1
Equipment required 10-1
Upgrading from SL-1 XN (QCA97 cabinet) to Meridian 1
Option 71 10-4
Upgrading from SL-1 SN to Option 21 11-1
Upgrading method 11-1
Equipment required 11-1
Upgrading from SL-1 SN (QCA141 CE cabinet) to
Meridian 1 Option 21 11-3

1-1
Shelf upgrades to Meridian 1 553-3001-253
Compatibility and software conversion
methods
Compatibility
Compatibility problems can occur when certain TDS, FTDS and XCT
circuit cards are used in the system. The following mix of circuit cards
cannot be used in the system.
QPC197 TDS and QPC609 FTDS
A QPC197 Tone and Digit Switch (TDS) cannot be used with a QPC609
Fast Tone and Digit Switch (FTDS).
QPC197 TDS and NT8D17 XCT
A QPC197 Tone and Digit Switch (TDS) cannot be used with an NT8D17
Conference Tone and Digit Switch (XCT).
Note: An NT8D17 XCT and a QPC609 FTDS can be used in the
same system
QPC609 FTDS
Software package 87 (FTDS) must be equipped when the QPC609 FTDS is
used in the system.
Note: The QPC197 TDS circuit card will not operate when software
package 87 (FTDS) is equipped.

1-2 Compatibility and software conversion methods
Shelf upgrades to Meridian 1 553-3001-253
Conference tone on the NT8D17 XCT
The NT8D17 XCT circuit card produces a conference tone when the DIP
option switch 4 is set to OFF. Refer to Option settings in 553-3001-211
for more information about option switch settings.
For a complete list of minimum vintages refer to Meridian 1 Product
Compatibility Information MSL-1-B-223 dated April 1991.
Software conversion
Floppy disks containing the new software must be available before starting
to upgrade an existing system. The existing customer data must also be
recorded.
Software conversion methods
One of the following methods should be used to convert the existing
software to the new version.
Floppy disks prepared ahead of time
This method consists of preparing floppy disks containing the new release
of software. The disks include the customer data of the existing system.
These disks are prepared before starting to upgrade the system.
Converting existing software
This method consists of converting the software as part of the system
upgrade. This method requires that all intermediate software and hardware
be available.
Note: Intermediate software or hardware is not provided by Northern
Telecom in the upgrade package.
Reentering customer data
This method consists using floppy disks containing the new software and
reentering the customer data through service change overlay programs.
Complete information about software conversion is contained in
NTP 553-2001-320

2-1
Shelf upgrades to Meridian 1 553-3001-253
Upgrading LE, A, M, MS to Option 21
Upgrading method
This chapter describes how to upgrade an existing SL-1 LE, A, M and
Meridian SL-1 MS to a Meridian 1 Option 21.
The upgrading method consists of replacing the entire Common Equipment
(CE) with new common equipment used in the Meridian 1 Option 21
system.
Essentially only the existing peripheral and power equipment remains in
place in this upgrade.
It is important that all steps are carried out in order and that none are left
out. All preliminary steps must be done prior to the specific procedure for
each shelf upgrade.
Equipment required
Table 2-1 lists the items that are required to upgrade an SL-1 LE, A, M and
Meridian SL-1 MS system.

2- 2 Upgrading LE, A, M, MS to Option 21
Shelf upgrades to Meridian 1 553-3001-253
Table 2-1
Equipment required
Qua ntity Co de De scription
1*NT8D17AA Rlse 09 CT circuit card
1*NT8D19AA Rlse 10 MM PS circuit card
1*NT8D68AA Rlse 04 FDU
1NT8D77AC Flop py disk drive interface cable
1QKM300 QSD 81 shelf mounting kit (SL-1 M and
Meridian SL-1 MS)
6Softw are diskettes 3.5”
1QMM42 Da ta Cartridge
2QPC414 EN ET circuit card
1QPC687 CP U/R OM/SDI circuit card
1*QPC742D FDI circuit card
1QPC940 ROM dau ghter board
1QSD81 CE shelf
1QCAD109 CE shelf power adapter cable (SL-1 LE)
1QCAD349 CE alarm cab le (SL-1 LE)
1QCAD141 CE pow er adapter cable (SL-1 A)
1PO677761 Shield
1PO625843 Shorting clip
* De notes m inimum vintage

Upgrading LE, A, M, MS to Option 21 2-3
Shelf upgrades to Meridian 1 553-3001-253
Preliminary Steps
1 Obtain printouts of all the characteristics (TN, loop, telephones and all
other assignments and features) of the existing system. Retain these
printouts for an after conversion check.
2 Using overlay program 43, perform a data dump to the existing tape or
disk.
3 Remove the covers or doors from the front of the CE cabinet and any
peripheral equipment cabinets in the system.
4 Designate (but do not disconnect) all the cables connected to the
circuit packs in the CE cabinet.
5 Set the ENB/DIS switch on all the QPC84 circuit packs to DIS.
SL-1 LE (QCA23 CE cabinet) to Meridian 1 Option 21
Be sure the preliminary steps have been carried out before starting this
procedure.
1 Load overlay program 35 and STAT CPU to check which CPU is
active. If necessary switch CPU’s (SCPU) to ensure that system is
operating in CPU 1.
• Set the MAINT/NORM switch on the QPC42 circuit pack on
QSD12 CPU/Memory shelf 1 to MAINT (shelf position 3
Figure 2-1).
2 Disable faceplate switch on the QPC84 power monitor circuit pack in
the QCA23 CE cabinet.
3 Set circuit breaker CPU 0 located on the QBL10 power distribution
box in the QCA23 cabinet to OFF.
• Disconnect and remove cables connected to faceplate connectors
on circuit packs located in the QSD12 CPU/Memory shelf 0
located in shelf position 5 (Figure 2-1).
• Disconnect the power connector (P5), the power monitor
connector and the inter shelf cables from the end of the QSD12
CPU/Memory shelf 0.

2- 4 Upgrading LE, A, M, MS to Option 21
Shelf upgrades to Meridian 1 553-3001-253
•Remove and temporarily store all circuit packs from the QSD12
CPU/Memory shelf 0.
•Place a sheet of paper or cardboard in the bottom of the shelf to
ensure that the screws are not dropped in equipment below the
shelf.
•Remove the four mounting screws securing the QSD12 shelf 0 to
the cabinet frame and remove the shelf from the cabinet.
4With the four mounting screws install the QSD81 CE shelf in the
space vacated by the QSD12 CPU/Memory shelf 0 (shelf position 5
Figure 2-1).
5Connect a QCAD109 power adapter cable from connector P5 of the
cabinet power distribution harness to connector G on the QSD81 shelf
(Figure 2-2).
6Ensure that the option switches and plugs on the circuit packs are
properly set. Refer to 553-3001-211.
7Install the QPC940 ROM daughter board on the component side of the
QPC687 circuit pack.
•Ensure that the correct QMM42 Data Cartridge is installed on the
connector located on the component side of the QPC742 Floppy
Disk Interface (FDI) circuit pack and that switches 1 and 5 are set
to on.
Note: The software version and ID number indicated on the data
cartridge must match the software version and ID number indicated on
the floppy disks.
8Install the NT8D68AA Floppy Disk Unit in its assigned position in the
CE shelf (Figure 2-3). The NT8D68AA FDU may be installed in an
alternate location such as the old network shelf in position 6 or any
available PE slots, provided the NT8D77AC floppy disk interface
cable will reach from the front of the NT8D68AA FDU to the front of
the QPC742 circuit card.
Note: If the Floppy Drive is to be located within two slot spaces of
the QPC355 Converter the shield (PO677761) must be installed
between them (Figure 2-3).

Upgrading LE, A, M, MS to Option 21 2-5
Shelf upgrades to Meridian 1 553-3001-253
9Insert the circuit packs in their assigned slots in the QSD81 CE shelf
(Figure 2-3) and connect the maintenance terminal to the faceplate
jack of the CPU circuit card.
10Set all ENB/DIS switches on the faceplates of circuit packs on the
QSD81 CE shelf to ENB.
11Set the MAINT/NORM switch on the front of the QPC687 circuit
pack to NORM.
12Connect a NT8D77AC floppy disk interface cable from the connector
on the faceplate of the QPC742 circuit pack to the connector on the
front of the NT8D68AA FDU.
•In the QBL10 Power Distribution box set CPU 0 breaker to on.
Insert the floppy disks into disk drives. A system reload
(SYSLOAD) should occur. Wait for the SYSLOAD to be
completed.
•After Sysload (SYS) and Initialization (INI) is completed, invoke
manual INI to abort midnight routine. Load overlay program 22
and print issue package and configuration. Verify customer data.
Note: The following steps will cause the system service to be
interrupted and emergency service (if provided) will be connected.
13Invoke emergency transfer by operating the line transfer switch on the
QPC84 power monitor circuit pack in the QCA23 CE cabinet (and
QCA8 and QCA74 cabinets if equipped) to ON or 1.
14Set the CAB INP breaker on the QBL10 power distribution box to
OFF.
•Disconnect connector P9 (green) from the side of the QSD10
power convertor shelf.
•Connect a QCAD349A alarm adapter cable between connector P9
of the cabinet power distribution harness and connector J9 on the
QSD10 power control shelf (Figure 2-2).

2- 6 Upgrading LE, A, M, MS to Option 21
Shelf upgrades to Meridian 1 553-3001-253
•Connect connector D on the QCAD349A alarm cable to connector
D on the end of the QSD81 common equipment shelf (Figure 2-
2).
15Disconnect all previously tagged cables from the connectors on the
QPC45, QPC139 and QPC50 circuit packs and connect to their
assigned circuit packs on the QSD81 CE shelf.
16Disconnect the power connector (connector P2 on the cabinet power
distribution harness) from the shelf containing the tape unit.
17Set circuit breakers CPU 1, NET 0 and NET 1 on the QBL10 power
distribution in the QCA23 cabinet to OFF.
18Disconnect power connectors and any remaining cables from the end
of the following shelves (Figure 2-1):
•the tape unit shelf in position 2.
•the QSD12 CPU/Memory shelf in position 3.
•the QSD13 Network shelf 1 in position 4.
•the QSD13 Network shelf 0 in position 6, if the shelf is not
required for other services such as DTI.
19Remove any remaining cables that are connected to the front of circuit
packs on the shelves being removed and remove the shelves.
20Perform this step only if the QSD13 Network shelf 0 in position 6 has
been removed.
•Disconnect the power connector from the end of the QUD4
cooling unit in position 6 and remove the cooling unit. Insert a
P0625843 shorting clip in terminals 1 and 2 of the power
connector disconnected from the QUD4 cooling unit (Figure 2-4).
Note: The P0625843 shorting clip is installed to prevent an alarm
indication because of the missing cooling unit.
•Unseat diskettes from the NT8D68AA Floppy Disk drive.
21In the QBL10 power distribution box:
•Set CAB INP breaker to ON.

Upgrading LE, A, M, MS to Option 21 2-7
Shelf upgrades to Meridian 1 553-3001-253
22 Insert the floppy disks into disk drives. A system reload (SYSLOAD)
should occur. Wait for the SYSLOAD to be completed.

2- 8 Upgrading LE, A, M, MS to Option 21
Shelf upgrades to Meridian 1 553-3001-253
23 Reestablish normal service on the system as soon as it is determined
that trunk connections can be made to an attendant console or other
suitable telephone. To restore normal service, set the line transfer
switch on the QPC84 circuit packs to OFF or 0.
24 Set the ENB/DIS switch on all the QPC84 circuit packs to ENB.
• Install cabinet covers and dispose of surplus equipment.

Upgrading LE, A, M, MS to Option 21 2-9
Shelf upgrades to Meridian 1 553-3001-253
Figure 2-1
QCA23 CE Cabinet Layout
Tape Unit Shelf
in the LE
Position 2
QSD12 CPU/Memory Shelf 0
in the LE
Position 5
QSD 81 Common Equipment
Shelf in the Option 21
QUD6 Cooling Unit QUD4 Cooling Unit in the LE
Not Required in the Option 21
Position 8
QSD10 Power Converter Shelf
QSD12 CPU/Memory Shelf 1
or
Peripheral Equipment Shelf
in the LE
Position 3
Peripheral Equipment Shelf
in the Option 21
QSD13 Network Shelf 1
or
Peripheral Equipment Shelf
in the LE
Position 4
Peripheral Equipment Shelf
in the Option 21
QSD13 Network Shelf 0
in the LE
QBL10 Power Distribution BoxQUX9 Power Distribution Unit
Position 7
-48 V Rectifier
Position 1
Peripheral Equipment Shelf
This Shelf Position is
Not Used in the
Option 21
In the Option 21 this shelf can be
used
as an alternate location
for the floppy disk unit,
DTI packs or removed
Position 6

2- 10 Upgrading LE, A, M, MS to Option 21
Shelf upgrades to Meridian 1 553-3001-253
Figure 2-2
Cable Connections
QSD10
Power Converter
Shelf
QSD81
Common Equipment
Shelf
QCAD349
Alarm Cable
Cabinet Power
Distribution Harness
Connector J9
Connector P9
Connector D
QCAD109
Adapter
Cable
Connector P5
Connector G

Upgrading LE, A, M, MS to Option 21 2-11
Shelf upgrades to Meridian 1 553-3001-253
Figure 2-3
Typical QSD81 Shelf Circuit Pack Layout
1
MEM 2 CPU 3
MSI
4
MS/PS 5 LP
0/1
6
LP
2/3
7
LP
4/5
8
LP
6/7
9
LP
8/9
10
LP
10/11
11
LP
12/13
12
LP
14/15
13
SDI
DTI
14
SDI
DTI
15
SDI
DTI
16
CONV
GND
-48V-0
-48VGND
-48V-1
D
G
NT8D68AA
FLOPPY
DISK
MODULE
(Note 2)
Q
P
C
3
5
5
C
O
N
V
Note 1
Note 1: To avoid a system failure, do not install a QPC471 or QPC775 Clock Controller
circuit pack in slots 13, 14 or 15. These circuit packs can be installed in any available slot
5 through 12.
Note 2: When the NT8D68AA Floppy Disk Module is installed within two slot spaces of
the converter the shield must be installed between it and the Converter.
The NT8D68AA Floppy Disk Module can be located elsewhere or in another shelf when
these slots are not available.
Note 3: QPC414 ENET can be installed in slots 5 through 12.
NT8D04 can be installed in slots in slots 5 through 12 (default slots are 5, 7, 9, 11).
SDI can be installed in slots 5 through 15 (recommended slots are 13, 14, 15).
NT8D17AA can be installed in slots 5 through 12 (recommended slot 12).
Shelf
Backplane
N
T
8
D
1
9
A
A
M
M
P
S
Q
P
C
6
8
7
C
P
U
Q
P
C
7
4
2
F
D
I
Q
P
C
1
3
9
S
D
I
or
Q
P
C
8
4
1
Shield
N
o
t
U
s
e
d
N
T
8
D
1
7
A
A
C
T
Q
P
C
4
1
4
E
N
E
T
or
N
T
8
D
0
4
Q
P
C
4
1
4
E
N
E
T
Q
P
C
4
1
4
E
N
E
T
or
N
T
8
D
0
4
Q
P
C
4
1
4
E
N
E
T
Q
P
C
4
1
4
E
N
E
T
or
N
T
8
D
0
4
Q
P
C
4
1
4
E
N
E
T
Q
P
C
4
1
4
E
N
E
T
or
N
T
8
D
0
4
Note 3

2- 12 Upgrading LE, A, M, MS to Option 21
Shelf upgrades to Meridian 1 553-3001-253
Figure 2-4
Shorting Clip P0625843
1 2
3 4
56
P0625843
Shorting Clip
Cooling unit connector on
cabinet power distribution harness