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