6-2
Cisco ONS 15454 Reference Manual, R7.0.1
OL-9217-01
Chapter 6 Storage Access Networking Cards
6.1 6.1 FC_MR-4 Card Overview
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Dual rate (1G/2G): MM (550 m) and SM (10 km)
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Single rate (1G): SX (550 m) and LX (10 km)
• SONET/SDH support
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Four 1.0625-Gbps FC channels can be mapped into one of the following:
SONET containers as small as STS1-1v (subrate)
SDH containers as small as VC4-1v (subrate)
SONET/SDH containers as small as STS-18c/VC4-6v (full rate)
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Four 2.125-Gbps FC channels can be mapped into one of the following:
SONET containers as small as STS1-1v (subrate)
SDH containers as small as VC4-1v (subrate)
SONET/SDH containers as small as STS-36c/VC4-12v (full rate)
• Frame encapsulation: ITU-T G.7041 transparent generic framing procedure (GFP-T)
• High-order SONET/SDH VCAT support (STS1-Xv and STS-3c-Xv/VC4-Xv)
• Differential delay support for VCAT circuits
Figure 6-1 shows the FC_MR-4 faceplate and block diagram.
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