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7.2.1 Concatenated STS Time Slot Assignments
You cannot set up VT circuits to terminate on an ONS 15600 node. However, you can create both STS
Note
and VT circuits that have an ONS 15454 or ONS 15327 source and destination with an ONS 15600 as a
pass-through node. For information on VT circuit creation and tunneling, refer to the circuit chapters in
the Cisco ONS 15327 Reference Manual and the Cisco ONS 15454 Reference Manual. Note that you
cannot mix protection schemes, for example, 1+1 to path protection. Acceptable schemes are
unprotected to unprotected, 1+1 to 1+1, BLSR to BLSR, and path protection to path protection.
7.2.1 Concatenated STS Time Slot Assignments
Table 7-1
Controller (CTC) to provision circuits.
Table 7-1
Starting
STS
1
4
7
10
13
16
19
22
25
28
31
34
37
40
43
46
49
52
55
58
61
64
67
70
Cisco ONS 15600 Reference Manual, R7.0
7-4
shows the available time slot assignments for concatenated STSs when using Cisco Transport
STS Mapping Using CTC
STS-3c
STS-6c
STS-9c
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
STS-12c STS-18c STS-24c STS-36c STS-48c STS-192c
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
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Yes
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No
Yes
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No
No
No
Yes
Yes
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No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
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Yes
Yes
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Yes
Yes
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Yes
Yes
Yes
Yes
Yes
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Yes
Yes
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Yes
Yes
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Yes
Yes
Chapter 7
Circuits and Tunnels
Yes
Yes
Yes
Yes
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Yes
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Yes
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Yes
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No
No
No
No
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No
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No
No
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Yes
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Yes
Yes
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Yes
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Yes
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No
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