Ds3I-N-12 Faceplate And Block Diagram - Cisco 15454-DS1-14= - 1.544Mbps Expansion Module Reference Manual

3.8.1 DS3i-N-12 Slots and Connectors
Figure 3-8
DS3I- N
12
FAIL
ACT/STBY
SF
The following list summarizes the DS3i-N-12 card features:
• Provisionable framing format (M23, C-bit, or unframed)
Autorecognition and provisioning of incoming framing
•
VC-3 payload mapping as per ITU-T G.707, mapped into VC-4 and transported as STS-3c
•
Idle signal ("1100") monitoring as per Telcordia GR-499-CORE
•
P-bit monitoring
•
C-bit parity monitoring
•
X-bit monitoring
•
• M-bit monitoring
• F-bit monitoring
• Far-end block error (FEBE) monitoring
• Far-end alarm and control (FEAC) status and loop code detection
• Path trace byte support with TIM-P alarm generation
Cisco ONS 15454 Reference Manual, R8.5
3-20

DS3i-N-12 Faceplate and Block Diagram

main DS3-m1
protect DS3-p1
Line
Interface
Unit #1
main DS3-m12
protect DS3-p12
Line
Interface
Unit #1
Processor
BERT
DS3
FPGA
ASIC
OHP
FPGA
uP bus
SDRAM Flash
Chapter 3 Electrical Cards
B
BTC
a
ASIC
c
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p
l
a
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