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Cisco Transport Manager Release 6.0 User Guide
78-16845-01
Chapter 3 Building the Network
3.6.6 Creating Links
Note A PTP can be associated with only one bidirectional link or two unidirectional links at
a particular layer rate for all NEs except Not Managed/Other Vendor NEs. For Not
Managed/Other Vendor NEs, a PTP can terminate in only one link.
f. Click Next.
Step 3 The Link Summary panel summarizes the attributes of the new link. To change the link summary
information, click Back and change the selections as needed.
Step 4 Click Finish.
Table 3-12 Field Descriptions for the Create Link Wizard
Field Description
Link Attributes Panel
Name Enter a unique name for the new link. The link name is a free-format string, up to 256 characters.
Description Enter a description of the new link. The link description is a free-format string, up to 256 characters.
Layer Choose the link layer rate, defined as per ITU-T standard G.872 for multilayered optical networks. Values
are Physical, OTS, OMS, OCh, SONET/SDH, and Layer 2.
Layer Detail Choose the bandwidth of the link as per the layer rate.
• For SONET links, the link rate is OC-3, OC-12, OC-48, OC-192, or Layer 2, depending on the NE
configuration.
• For SDH links, the link rate is STM1, STM-4, STM-16, STM-64, or Layer 2.
• For DWDM links, values are 10G ITU or 2.5G ITU.
• For OCH links, the link rate is 10G ITU or 2.5G ITU.
• For ONS 15800, ONS 15801, and ONS 15808 NEs, the link rate is OTS.
• For links between Not Managed/Other Vendor NEs, the link rate is Not Applicable.
• For links between Not Managed/Other Vendor NEs and CTC-based NEs, the rate is that of the
CTC-based NE. Links between a SONET/SDH link and a Not Managed/Other Vendor NE depend on
the link source. If the link source is the Not Managed/Other Vendor NE, the layer rate is Not
Applicable. If the link source is the SONET/SDH link, the layer rate will be the layer rate of the
SONET/SDH link.
• For links between MDS 9000 NEs and CTC-based NEs, the rate is that of the CTC-based NE. Links
between a SONET/SDH link and an MDS 9000 NE depend on the link source. If the link source is the
MDS 9000 NE, the layer rate is Not Applicable. If the link source is the SONET/SDH link, the layer
rate will be the layer rate of the SONET/SDH link.
Protection Specify the link protection: Unprotected, 1+1, Y-Cable (meaning 1+1 with Y-cable protection), 2-Fiber
BLSR/MS-SPRing, 4-Fiber BLSR/MS-SPRing, or Not Applicable. For CTC-based NEs, select
Unprotected, 1+1, or Y-Cable. For ONS 1580x NEs, the only selectable value is Unprotected. For links
between Not Managed/Other Vendor NEs, the link protection is Not Applicable. For links between Not
Managed/Other Vendor NEs and CTC-based NEs, the link protection will be that of the CTC-based NE.
For links between MDS 9000 NEs and CTC-based NEs, the link protection will be that of the CTC-based
NE.