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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 3 Card Reference
DS3i-N-12 Card
Figure 3-13 DS3i-N-12 faceplate
The following list summarizes the DS3i-N-12 card features:
• Provisionable framing format M23, C-bit or unframed
• Auto recognition and provisioning of incoming framing
• VC-3 payload mapping as per ITU-T G.707
• Idle signal (“1100”) monitoring as per GR-499
• P-bit monitoring
• C-bit parity monitoring
• X-bit monitoring
• M-bit monitoring
• F-bit monitoring
• Far-end block errors (FEBE) monitoring
• Far-end alarm and control (FEAC) status and loop code detection
• Path trace byte support with TIM-P alarm generation
FAIL
ACT/STBY
SF
DS3I- N
12
63110
33678 12931
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