OptiX OSN 8800/6800/3800
Hardware Description
4 OptiX OSN 8800 Subrack
Issue 01 (2016-03-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7
Figure 4-2
Slots of the OptiX OSN 8800 T64 subrack
IU
1
IU
2
IU
3
IU
4
IU
5
IU
6
IU
7
IU
8
IU
9
C
ro
ss
-c
o
n
ne
ct
b
oa
rd
IU
10
IU
11
IU
12
IU
13
IU
14
IU
15
IU
16
IU
17
IU
18
IU
19
IU
20
IU
21
IU
22
IU
23
IU
24
IU
25
IU
26
IU
27
IU
28
IU
29
IU
30
IU
31
IU
32
IU
33
IU
34
PIU
IU70
PIU
IU69
IU71
EFI2
STG
IU75
IU79
PIU
IU78
IU74
IU91 FAN
IU90 FAN
SCC
PIU
A
U
X
IU
72
IU
76
IU
77
EF
I1
IU
35
IU
36
IU
37
IU
38
IU
39
IU
40
IU
41
IU
42
IU
43
IU
44
IU
45
IU
46
IU
47
IU
48
IU
49
IU
50
IU
51
IU
52
IU
53
IU
54
IU
55
IU
56
IU
57
IU
58
IU
59
IU
60
IU
61
IU
62
IU
63
IU
64
IU
65
IU
66
IU
67
IU
68
PIU
IU81
PIU
IU80
IU82
STI
STG
IU86
IU89
PIU
IU88
IU85
IU93 FAN
IU92 FAN
SCC
PIU
A
U
X
IU
83
IU87
ATE
Front
Back
C
ro
ss
-c
o
n
ne
ct
b
oa
rd
C
ro
ss
-c
o
nn
e
ct
bo
a
rd
C
ro
ss
-c
o
nn
e
ct
bo
a
rd
A
U
X
IU
73
A
U
X
IU
84
Paired slots
For one-slot boards, the paired slots must be configured as follows: slots IU1 and IU2, slots IU3 and IU4, and so on.
For two-slot boards, the paired slots must be configured as follows: slots IU1 to IU2 and slots IU3 to IU4, slots IU5 to IU6 and slots IU7 to IU8, and so on.
For four-slot boards, the paired slots must be configured as follows: slots IU1 to IU4 and slots IU5 to IU8, slots IU11 to IU14 and slots IU15 to IU18, and so on.
: houses service boards and supports service cross-connections.
Pair slots refer to a pair of slots whose resident boards' overhead can be processed by the
buses on the backplanes.
In a general OptiX OSN 8800 T64 subrack, IU73 and IU84 are reserved for future use,
and IU72 and IU83 are used to house AUX boards. In an enhanced OptiX OSN 8800
T64 subrack, IU72 and IU83 are used to house the active AUX boards, and IU73 and
IU84 are used to house the standby AUX boards.
Only the TN52AUX board supports 1+1 backup in an enhanced subrack.
IU77 is reserved for future use.
IU9 and IU43 are reserved for the cross-connect board.
−
Enhanced OptiX OSN 8800 T64 subrack: TNK2UXCT or TNK4XCT.
−
General OptiX OSN 8800 T64 subrack: TNK4XCT or TNK2XCT.
IU10 and IU44 are reserved for the cross-connect board.
−
Enhanced OptiX OSN 8800 T64 subrack: TNK2USXH, TNK4SXH or TNK4SXM.
−
General OptiX OSN 8800 T64 subrack: TNK4SXH, TNK2SXH, TNK4SXM or
TNK2SXM.
The following table provides the slots for housing active and standby boards of the
subrack.
Board
Slots for Active and Standby Boards
PIU
General OptiX 8800 T64: IU69 & IU78, IU70 & IU79, IU80 &
IU88, and IU81 & IU89
Enhanced OptiX 8800 T64: IU69 & IU89, IU70 & IU88, IU78 &
IU81, and IU79 & IU80
