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Cisco ONS 15454 Reference Manual, R7.0.1
OL-9217-01
Chapter 4 Optical Cards
4.18 4.18.2 Ports and Line Rates
The maximum bandwidth of the 15454_MRC-12 card is determined by the cross-connect card, as shown
in Table 4-19.
4.18.2 Ports and Line Rates
Each port on the 15454_MRC-12 card can be configured as OC-3/STM-1, OC-12/STM-4, or
OC-48/STM-16, depending on the available bandwidth and existing provisioned ports. Based on the
cross-connect card and slot limitations shown in Table 4-19, the following rules apply for various
synchronous transport signal (STS) available bandwidths. (Table 4-20 shows the same information in
tabular format.)
• STS-12
–
Port 1 is the only port that is usable as an OC-12. If Port 1 is used as an OC-12, all other ports
are disabled.
–
Ports 1, 4, 7, and 10 are the only ports usable as OC-3. If any of these ports is used as an OC-3,
Ports 2, 3, 5, 6, 8, 9, 11, and 12 are disabled.
• STS-48
–
Port 1 is the only port usable as an OC-48. If Port 1 is used as an OC-48, all other ports are
disabled.
–
Ports 1, 4, 7, and 10 are the only ports usable as OC-12.
–
If Port 4 is used as an OC-12, Ports 2 and 3 are disabled.
–
If Port 7 is used as an OC-12, Ports 5, 6, and 8 are disabled.
–
If Port 10 is used as an OC-12, Ports 9, 11, and 12 are disabled.
–
Any port can be used as an OC-3 as long as all of the above rules are followed.
• STS-192
–
Ports 1, 4, 7, and 10 are the only ports usable as OC-48.
–
If Port 4 is used as an OC-48, Ports 2 and 3 are disabled.
–
If Port 7 is used as an OC-48, Ports 5, 6, and 8 are disabled.
–
If Port 10 is used as an OC-48, Ports 9, 11, and 12 are disabled.
–
If Port 4 is used as an OC-12, Ports 2 and 3 can be used as an OC-12 or OC-3.
–
If Port 7 is used as an OC-12, Ports 5, 6, and 8 can be used as an OC-12 or OC-3.
–
If Port 10 is as used as an OC-12, Ports 9, 11, and 12 can be used as an OC-12 or OC-3.
–
If Port 4 is used as an OC-3, Ports 2 and 3 can be used as an OC-3 or OC-12.
–
If Port 7 is used as an OC-3, Ports 5, 6, and 8 can be used as an OC-3 or OC-12.
Table 4-19 Maximum Bandwidth by Shelf Slot for the 15454_MRC-12 in Different Cross-Connect
Configurations
XC Card Type
Maximum Bandwidth
in Slots 1 through 4
and 14 through 17
Maximum Bandwidth
in Slots 5, 6, 12, or 13
XCVT OC-12 OC-48
XC10G/XC-VXC-10G OC-48 OC-192
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