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Introduction
OptiX OSN 3500 TM - SD
1-7
1.2.5 Cross-Connect Capability
The OptiX OSN 3500 offers versions of three cross-connect boards: the General
Cross-connect & clock Board GXCS and the Enhanced Cross-connect & clock Board
EXCSA/B. Table 1-2 shows the cross-connect capacity of the OptiX OSN 3500.
Table 1-2
Cross-connect capacity of the OptiX OSN 3500
Cross-connect
and timing board
Higher-order
cross-connect
capacity
Lower-order
cross-connect
capacity
Extension
subrack capacity
GXCSA
35G
5G
0G
EXCSA
60G
5G, can expands
to 20G
0G
EXCSB
58.75G
5G, can expands
to 20G
1.25G
1.2.6 Service Access Capability
By configuring boards of different types and quantities, the OptiX OSN 3500 can
access services of different capacities. Table 1-3 lists the maximum access capacity
of the OptiX OSN 3500 for various services.
Table 1-3
Maximum access capacity of the OptiX OSN 3500 for various services
Service type
Maximum access ports of a single
subrack
STM-64 standard or concatenated
service
4
STM-16 standard or concatenated
service
8
STM-4 standard or concatenated service
46
STM-1 optical service
92
STM-1 electrical service
78
E4 service
32
E3/DS3 service
48
E1/T1 service
504
FE service
92
GE service
30