Figure 6-11 Example #3: Vt1.5 Circuit In A Upsr Or 1+1 Protection Scheme; Figure 6-12 Example #4: Two Vt1.5 Circuits In Upsr Or 1+1 Protection Scheme - Cisco 15454-TCC - Network Processor Card Operation Manual

Cross-Connect Card Capacities
•

Figure 6-11 Example #3: VT1.5 circuit in a UPSR or 1+1 protection scheme

Source
EC-1
Figure 6-12
is created:
•
•

Figure 6-12 Example #4: Two VT1.5 circuits in UPSR or 1+1 protection scheme

VT1.5 circuit #1
Source
EC-1
VT1.5 circuit #2
Unless you create VT tunnels (see the
the XCVT/XC10G VT matrix at each node through which the circuit passes.
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Cisco ONS 15454 Installation and Operations Guide
6-18
21 STSs are available for VT1.5 circuits.
VT1.5 circuit #1
XCVT-XC10G Matrices
shows a second VT1.5 circuit that was created using STS-2. When the second VT1.5 circuit
Three more VT1.5-mapped STSs are used.
18 STSs are available on the XCVT or XC10G for VT1.5 circuits.
XCVT-XC10G Matrices
STS Matrix
6 STSs total used
18 STSs available
VT1.5 Matrix
Two STSs are used at each node in the
the Figure 6-11 example.
STS Matrix
Working
Protect
3 STSs total used
21 STSs available
VT1.5 Matrix
Circuit #1 (working)
Circuit #2 (working)
Circuit #1 (protect)
Circuit #2 (protect)
"VT Tunnels" section on page
Figure 6-9 example, and three STSs are used at each node in
Chapter 6 Circuits and Tunnels
OC-12
Drop
OC-12
STS
VT1.5
Drop
OC-12
Drop
OC-12
STS
VT1.5
6-19), VT1.5 circuits use STSs on
November 2001