Nortel Optical Multiservice Edge 6130, Руководство по планированию, Страница: 85 / 292

OAM&P description 6-25
Planning Guide NT6Q92MA Rel 1.0 Iss 1 Standard September 2006
Table 6-9 describes the maximum number of RS and MS DCC interfaces
supported on the STM-1/4 interfaces for each OME6130 NE.
Each STM-1/4 interface is capable of supporting one DCC interface. The
default setting for the DCC interface is set to off. The DCC interfaces can be
configured from the Network Interface application available from the
DCN
menu item in the local craft access terminal. For more details on how to
provision the DCC interfaces, refer to
Provisioning and Protection Switching
Procedures , 323-1855-310. For more information on DCN planning, refer to
Appendix A: Data communications planning on page 10-1 .
DCC Transparency
The OME6130 supports DCC transparency via overhead tunnel provisioning.
This feature allows two STM-1/4 interfaces to be connected together so the
network element appears transparent to subtending network elements (NEs
connected to the OME6130 via the STM-1/4 interfaces).
The overhead tunnel allows DCC bytes to be forwarded transparently between
the two STM-1/4 interfaces. This feature offers advantages such as, allowing
interoperability with other vendor’s equipment that do not support a
standard-based OSI stack.
The user can select the bytes on which the overhead tunnel should be passing
through. The available values are:
• E1
• E2
• F1
• DCC_R
• DCC_M
Table 6-9
Maximum number of
RS and MS DCC interfaces
per OME6130 NE
Number of
MS
DCC interfaces
Number of
RS
DCC interfaces
None up to ten (10)
one (1) up to seven (7)
two (2) up to four (4)
three (3) up to one (1)