3.0 Registers
CN8223
3.8 Event/Error Counters
ATM Transmitter/Receiver with UTOPIA Interface
Table 3-21. Internal DS3 PLCP and Direct Mapping Modes Event/Error Counters
Address
Counter Name
Function
0x40
LINE_ PHY_CNTR_1
Line Code Violation (LCV) in B3ZS/HDB3 decoder when enabled. For B3ZS this counts
both bipolar rule violations and occurrences of three or more 0s. For HDB3 this counts
violations according to ITU Recommendation 0.161.
0x41
0x42
0x43
0x44
0x45
LINE_ PHY_CNTR_2
LINE_ PHY_CNTR_3
LINE_ PHY_CNTR_4
LINE_ PHY_CNTR_5
LINE_ PHY_CNTR_6
Counts F and M-bit errors.
Counts P1/P2 parity errors.
Counts C bit path parity errors.
Counts DS3 FEBE errors.
Counts PLCP frame errors if there is an error in either A1 or A2 octets. Event also appears
on LINE_STATUS, bit 9. Not used in Direct Mapping mode.
0x46
0x47
0x48
LINE_ PHY_CNTR_7
LINE_ PHY_CNTR_8
LINE_ PHY_CNTR_9
Counts PLCP OOF events in PLCP Mode. Counts LOCD events in Direct Mapping mode.
Event also appears on LINE_STATUS, bit 5. Not used in Direct Mapping mode.
Counts PLCP BIP errors. Event also appears on LINE_STATUS, bit 10. Not used in Direct
Mapping mode.
Counts PLCP FEBE errors. Event also appears on LINE_STATUS, bit 11. Not used in
Direct Mapping mode.
0x49
0x4A
0x4B
COR_HEC_ERR
UNCOR_HEC_ERR
PAY_CRC_ERR
Counts corrected HEC errors. Event also appears on EVENT_STATUS, bit 0.
Counts uncorrected HEC errors. Event also appears on EVENT_STATUS, bit 1.
Counts payload CRC-10 errors used in AAL3/4. Event also appears on EVENT_STATUS,
bit 2.
0x4C
0x4D
PAY_LEN_ERR
Counts payload length errors used in AAL3/4. Event also appears on EVENT_STATUS,
bit 3.
NON_ZERO_GFC
Counts ATM cells received with non-zero GFC fields. Event also appears on
EVENT_STATUS, bit 4.
0x4E
0x4F
0x50
0x51
0x52
0x53
0x54
0x55
0x56
CELL_SENT_CNT0
CELL_SENT_CNT1
CELL_SENT_CNT2
CELL_SENT_CNT3
CELL_RCV_CNT0
CELL_RCV_CNT1
CELL_RCV_CNT2
CELL_RCV_CNT3
IDLE_CELL_CNT
Count of ATM cells sent from FIFO port 0. Event also appears on CELL_STATUS, bit 0.
Count of ATM cells sent from FIFO port 1. Event also appears on CELL_STATUS, bit 1.
Count of ATM cells sent from FIFO port 2. Event also appears on CELL_STATUS, bit 2.
Count of ATM cells sent from FIFO port 3. Event also appears on CELL_STATUS, bit 3.
Count of ATM cells received on FIFO port 0. Event also appears on CELL_STATUS, bit 4.
Count of ATM cells received on FIFO port 1. Event also appears on CELL_STATUS, bit 5.
Count of ATM cells received on FIFO port 2. Event also appears on CELL_STATUS, bit 6.
Count of ATM cells received on FIFO port 3. Event also appears on CELL_STATUS, bit 7.
Counts ATM cells received that match the idle cell header screens. Event also appears on
EVENT_STATUS, bit 6.
0x57
NON_MATCH_CNT
Counts ATM cells received that do not match any header screens. Event also appears on
EVENT_STATUS, bit 5.
3-42
Conexant
100046C
CONEXANT [ CONEXANT SYSTEMS, INC ]
