![Nortel QPC705 Maintenance Manual Download Page 33](http://html.mh-extra.com/html/nortel/qpc705/qpc705_maintenance-manual_1707058033.webp)
Equipment replacement Page 29 of 34
QCA144 1.5 MB/S RPE Cabinet
Maintenance and equipment replacement
Figure 5
Shelf assignments
X-1
X-2
X-3
X-4
DLB
LPY
X-6/
Y-1
X-7/
Y-2
X-8/
Y-3
X-9/
Y-4
PE
PWR
X-1
X-2
X-3
X-4
DLB
X-6/
Y-1
X-7/
Y-2
X-8/
Y-3
X-9/
Y-4
PE
PWR
Q
P
C
7
0
6
C
O
N
V
Q
P
C
7
0
6
C
O
N
V
B
F
R
Shelf position
4
PE4 breaker
on QUX20 unit
Shelf position
5
PE5 breaker
on QUX20 unit
LPX
LPY
B
F
R
LPX
PE SHLF
Y-LP__SH_
X-LP__SH_
PE SHLF
Y-LP__SH_
X-LP__SH_
X-1
X-2
X-3
X-4
DLB
LPY
X-6/
Y-1
X-7/
Y-2
X-8/
Y-3
X-9/
Y-4
PE
PWR
X-1
X-2
X-3
X-4
DLB
X-6/
Y-1
X-7/
Y-2
X-8/
Y-3
X-9/
Y-4
PE
PWR
Q
P
C
7
0
6
C
O
N
V
Q
P
C
7
0
6
C
O
N
V
B
F
R
Shelf position
2
PE2 breaker
on QUX20 unit
Shelf position
3
PE3 breaker
on QUX20 unit
LPX
LPY
B
F
R
LPX
PE SHLF
Y-LP__SH_
X-LP__SH_
PE SHLF
Y-LP__SH_
X-LP__SH_
X-2
X-3
X-4
X-5
553-6107
DLB
Rectifier
X-6/
Y-1
X-7/
Y-2
X-8/
Y-3
X-9/
Y-4
X-10/
Y-5
Q
P
C
7
0
5
C
O
N
V
X-1
Shelf position
1
CE/PE1 breaker
on QUX19 unit
LPY
B
F
R
LPX
RPE SHLF
PE SHLF
Y-LP__SH_
X-LP__SH_
QPC62 1.5Mb CONV
1
QPC66 2Mb CONV
2
QPC99 CAR. IF
3
QPC65 RPS
4
QPC755 NET EXT
5
QPC65 RPS
6
QPC99 CAR. IF
7
QPC66 2Mb CONV
8
QPC62 1.5Mb CONV
9
QPC67 CAR. MAINT.
10
QUX19
power
distribution
unit
QUAA3
power unit
QUX20
power
distribution
unit 2