Ms (Qca109 Ce Cabinet) To Meridian 1 Option - Nortel Meridian SL-1 Supplementary Manual

Figure 2-11
Typical QSD81 Shelf Circuit Pack Layout
SL-1 MS (QCA109 CE cabinet) to Meridian 1 Option 21
Q
P
C
N
4
Q
T
1
N Q Q
P
8
4
o P P
C
D
t C C
4
1
E
6 7
1
9
N
U 8 4
4
A
E
s 7 2
A
T
e
E
d C F
N
M
or
P D
E
M
U I
T
P
N
S
T
8
D
0
4
1 2 3 4 5 6
MEM CPU MSI MS/PS LP LP
0/1 2/3
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).
Be sure the preliminary steps have been carried out before starting this
procedure.
Note: The system service will be interrupted and emergency service
(if provided) will be connected.
1 Invoke emergency transfer by operating the line transfer switch on the
QPC84 power monitor circuit pack to ON or 1.
• Set the CAB INP circuit breaker on the QSP43 power control
shelf in the QCA109 cabinet to OFF.
• Set the AC input circuit breaker on the -48V rectifier in the
QCA109 cabinet to OFF.
Upgrading LE, A, M, MS to Option 21 2-31
Q
Q
Q Q
P
P P P
C
C
C C
4
4 4 1
Q Q 1
3
1 1 N
P P
4
4 4 T 9
C C
8
4 4 NT8D68AA
E
E E D S
FLOPPY
1 1 N
D
N N 1
4 4 DISK
E
E E 7 I
MODULE
T
T T A
E E (Note 2)
A or
N N or
or or
E E
C Q
T T N
P
N N T
T
T T C
8
8
8 8
D
D D 4
0
1
0 0
Shield
4
4 4
7 8 9 10 11 12 13 14
LP LP LP LP LP LP SDI SDI
4/5 6/7 8/9 10/11 12/13 14/15 DTI DTI
Note 3 Note 1
Shelf upgrades to Meridian 1 553-3001-253
Shelf
Backplane
D
GND
Q
P
-48V-0
C
3
5
-48VGND
5
C
-48V-1
O
N
V
G
15 16
SDI CONV
DTI