Huawei OptiX OSN 7500 - 4.2 Slot

OptiX OSN 7500
Technical Manual - System Description 4 Boards
Huawei Technologies Proprietary
4-4
Unit Constituent board Function
auxiliary interfaces externally
(orderwire, broadcast, external
clock).
Fan unit FANA Dissipate heat for the system.
Optical booster
amplifier board
BA2, BPA Amplify or pre-amplify the optical
power.
Case-basedoptical
amplifier
61COA and 62COA Amplify the optical power and
installed in the cabinet.
Other
functional
units
Dispersion
compensation
board
DCU Compensate dispersion for
STM-64 optical signals.
4.2 Slot
Figure 4-2 shows the slot layout of the OptiX OSN 7500.
S
L
O
T
1
S
L
O
T
2
S
L
O
T
3
S
L
O
T
4
S
L
O
T
5
S
L
O
T
6
S
L
O
T
7
S
L
O
T
8
S
L
O
T
9
S
L
O
T
1
0
S
L
O
T
1
1
S
L
O
T
1
2
S
L
O
T
1
3
S
L
O
T
1
4
S
L
O
T
1
5
S
L
O
T
1
6
S
L
O
T
1
8
XCS(A)
XCS(B)
FAN
FAN
FAN
S
L
O
T
1
7
Fiber routing Fiber routing
S
L
O
T
2
6
S
L
O
T
2
7
S
L
O
T
2
8
S
L
O
T
2
9
S
L
O
T
3
0
S
L
O
T
3
1
Fiber routing
Fiber routing
Fiber routing
S
L
O
T
2
5
S
L
O
T
2
4
SCC(A) SCC(B)
S
L
O
T
1
9
S
L
O
T
2
0
S
L
O
T
2
1
S
L
O
T
2
2
S
L
O
T
2
3
AUX
PIU(A)PIU(B)
SLOT
32
SLOT
33
S
L
O
T
3
4
S
L
O
T
3
5
S
L
O
T
3
6
S
L
O
T
3
7
S
L
O
T
3
8
EOW
(A) in the figure means primary board and (B) is standby one.