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Table 8: Explanation of K2 Byte (continued)
Higher-Level Protocols
See ERX Module Guide, Appendix A, Module Protocol Support for information about
the higher-level protocols that the interfaces described in this chapter support.
Platform Considerations
You can configure unchannelized SONET/SDH interfaces on the following E Series
Broadband Services Routers:
This section describes the line modules and I/O modules that support SONET/SDH
interfaces.
For detailed information about the modules that support SONET/SDH interfaces on
ERX14xx models, ERX7xx models, and the ERX310 router :
Bit Value (12345678)
0001–1110
Bit 5 indicates the type of redundancy.
0
Bits 6–8 indicate the switching mode.
000– 011
100
101
110
111
E120 Broadband Services Router
E320 Broadband Services Router
ERX1440 router
ERX1410 router
ERX710 router
ERX705 router
ERX310 router
See ERX Module Guide, Table 1, Module Combinations for detailed module
specifications.
Chapter 3: Configuring Unchannelized OCx/STMx Interfaces
Meaning
Channel number of working interface
1+1 architecture
Reserved for future use
Unidirectional mode
Bidirectional mode
Line remote defect indication (RDI)
Line alarm indication signal (AIS)
Platform Considerations
77
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