MT9072 Datasheet, PDF (9/275 Pages) Zarlink Semiconductor Inc – Octal T1/E1/J1 Framer

MT9072
Performance Monitoring
Error Counters
• All counters can be cleared or preset by writing to the appropriate locations
• Maskable occurrence interrupt
• Maskable overflow interrupt
• Counters can be latched on one second intervals
Data Sheet
T1/J1 Mode
• CRC-6 Multiframe Counter (8-bit)
• PRBS Error Counter (8-bit)
• Multiframes Out of Sync Counter (16-bit)
• Framing Bit Error Counter (16-bit)
• Bipolar Violation Counter (16-bit)
• CRC-6 Error Counter (16-bit)
• Out of Frame Alignment Counter (8-bit)
• Change of Frame Alignment Counter (8-bit)
• Excessive Zeros Counter (8-bit)
E1 Mode
• CRC-4 Multiframe Counter (8-bit)
• PRBS Error Counter (8-bit)
• Loss of Basic Frame Sync (16-bit)
• E-bit Error Counter (16-bit)
• Bipolar Violation Counter (16-bit)
• CRC-4 Error Counter (16-bit)
• FAS Bit Error Counter (8-bit)
• FAS Error Counter (8-bit)
Error Insertion
T1/J1 Mode
• Bipolar Violations
• CRC-6 errors
• Ft errors
• Fs errors
• Payload errors
• Loss of Signal error
E1 Mode
• E-bit
• Bipolar Violations
• CRC-4 Errors
• FAS Errors
• NFAS Errors
• Payload Errors
• Loss of Signal Error
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Zarlink Semiconductor Inc.