Nortel Meridian SL-1 Supplementary Manual page 79

6-8 Upgrading from SL-1 N (QCA58 cabinet) to Option 61
Figure 6-1
CPU/MEM shelf - circuit card and BTU positions
Q
P
C
6
NT8D78AA
9
Faceplate
1
Connector
Interface
C
Cables
O
N
V
Maintenance
Display
1
Shelf upgrades to Meridian 1 553-3001-253
CPU/MEM Shelf Layout
BTU in Connector Between Circuit Packs
Q Q Q Q Q
P P P P P
C C C C C
4 7 5 5 5
9 4 7 8 8
6 2 9 0 1
E F C
X D F I M
T I N F A
2 3 4 5 6 7
CPU1
Q Q Q Q Q Q
P P P P P
C C C C C
5 5 5 5 5
8 8 8 8 7
3 3 1 0 9
M M C
E E M I F
M M A F N
8 9 10 11 12 13 14
CPU0
Shelf Backplane
P
A
C
7
B
4
2
C
F
D
D
I
15
QPC691 CONV
-48 V 1 Red
(long lead)
Connector Cables
to Network
Shelf 0
-48 V 0 Red
(short lead)
Power Monitor
Connector
-48 V GND Black
L GND White