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DATASHEET |
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ISSUE 6 |
| SATURN USER NETWORK INTERFACE |
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Register 0xE1: RASE Interrupt Status
Bit | Type | Function | Default |
Bit 7 | R | PSBFI | X |
Bit 6 | R | COAPSI | X |
Bit 5 | R | Z1/S1I | X |
Bit 4 | R | SFBERI | X |
Bit 3 | R | SDBERI | X |
Bit 2 | R | SFBERV | X |
Bit 1 | R | SDBERV | X |
Bit 0 | R | PSBFV | X |
PSBFV:
The PSBFV bit indicates the protection switching byte failure alarm state. The alarm is declared (PSBFV is set high) when twelve successive frames have been received without three consecutive frames containing identical K1 bytes. The alarm is removed (PSBFV is set low) when three consecutive frames containing identical K1 bytes have been received.
SDBERV:
The SDBERV bit indicates the signal degrade threshold crossing alarm state. The alarm is declared (SDBERV is set high) when the bit error rate exceeds the threshold programmed in the RASE SD Declaring Threshold registers. The alarm is removed (SDBERV is set low) when the bit error rate is below the threshold programmed in the RASE SD Clearing Threshold registers.
SFBERV:
The SFBERV bit indicates the signal failure threshold crossing alarm state. The alarm is declared (SFBERV is set high) when the bit error rate exceeds the threshold programmed in the RASE SF Declaring Threshold registers.
The alarm is removed (SFBERV is set low) when the bit error rate is below the threshold programmed in the RASE SF Clearing Threshold registers.
SDBERI:
The SDBERI bit is set high when the signal degrade threshold crossing alarm is declared or removed. This bit is cleared when the RASE Interrupt Status register is read.
Proprietary and Confidential to | 176 |