363-206-295
Maintenance Description
9-38
Issue 1
December 1997
CV-P Coding Violations
9
CV-P coding violations are a count of the number of P-bit, adjusted F&M bit, or
near-end and far-end C-bit parity errors in the DS3 signal received from the fiber
and the DSX-3. To detect degradation of the signal, these errors are counted and
thresholded independently for all DS3 interfaces provisioned in VM or VMR mode.
By provisioning all NEs in the DS3 path to the VM mode, coding violations can be
used as a DS3 path performance parameter when the P-bit option is selected.
When the F&M-bit or C-bit option is selected, NEs could be provisioned in VMR or
VM mode (see Table 9-6).
Severely Errored Frame Seconds (SEFS)
9
SESF are a count of the number of seconds during which an OOF or AIS
condition exists for a DS3 signal received from the fiber or the DSX-3, or during an
unprotected DS3 circuit pack failure. SEFSs are counted and thresholded
independently for all DS3 interfaces provisioned in VM or VMR mode.
Errored Seconds (ES-P)
9
An "errored second" is a second in which one or more DS3 P-bit, adjusted
F&M-bit, or near-end and far-end C-bit coding violations are detected. ES-P are
not counted during UAS. ES are counted and thresholded independently for each
DS3 path terminated by the system.
Severely Errored Seconds (SES-P)
9
An SES-P is a second in which 44 or more DS3 P-bit, adjusted F&M-bit, or near-
end and far-end C-bit coding violations are detected. SES-P are not counted
during UAS. SES are counted and thresholded independently for each DS3 path
terminated by the system.
Table 9-5.
DS3 Performance Monitoring Modes
DS3 Mode
DS3 Port State
VM
VMR
CC
IS (In Service)
Yes
Yes
No
AUTO
No
No
No
NMON (Not Monitored)
Yes
Yes
No
Содержание DDM-2000 OC-12
Страница 1: ...363 206 295 Issue 1 December 1997 DDM 2000 OC 12 Multiplexer Release 7 0 User Service Manual Volume I ...
Страница 37: ...Tables xxxviii Issue 1 December 1997 A A SONET Overview A 1 SONET Payloads A 18 A 2 SONET Transport Rates A 19 ...
Страница 506: ...INS PROG 8 of 8 Page INS PROG COMMANDS RELATED rtrv eqpt rtrv ne OC 12 DDM 2000 1997 December 1 Issue 11 89 ...
Страница 528: ...RTRV ATTR ALM 2 of 2 Page RTRV ATTR ALM COMMANDS RELATED set attr alm OC 12 DDM 2000 1997 December 1 Issue 11 111 ...
Страница 565: ...RTRV OC3 3 of 3 Page RTRV OC3 COMMANDS RELATED rtrv sync 11 148 1997 December 1 Issue OC 12 DDM 2000 ...
Страница 664: ...SET FEAT 3 of 3 Page SET FEAT COMMANDS RELATED rtrv feat OC 12 DDM 2000 1997 December 1 Issue 11 247 ...
Страница 766: ... Ctl T TOGGLE 2 of 2 Page Ctl T TOGGLE COMMANDS RELATED logout rlgn OC 12 DDM 2000 1997 December 1 Issue 11 349 ...
Страница 847: ...Multiplexer OC 12 DDM 2000 7 Release TARP TOP Manual User Service II Volume 363 206 295 1 Issue 1997 December ...
Страница 867: ...363 206 295 TOP Maintenance and Operation BLANK LEFT INTENTIONALLY PAGE THIS 12 1997 December 1 Issue ...
Страница 1145: ...Order Circuit 363 206 295 NTP 029 1 of 1 Page 1997 December 1 Issue Unused LISTED ORDER IN BELOW ITEMS DO TO GO DETAILS FOR ...
Страница 1146: ...Order Circuit 363 206 295 NTP 030 1 of 1 Page 1997 December 1 Issue Unused LISTED ORDER IN BELOW ITEMS DO TO GO DETAILS FOR ...
Страница 1182: ...Turnup System 363 206 295 NTP 033 1 of 1 Page 1997 December 1 Issue Unused LISTED ORDER IN BELOW ITEMS DO TO GO DETAILS FOR ...
Страница 1243: ...Clearing Trouble 363 206 295 TAP 107 1 of 1 Page 1997 December 1 Issue Unused ...
Страница 1393: ...363 206 295 DLP 513 1 of 1 Page 1997 December 1 Issue Unused ...
Страница 1394: ...363 206 295 DLP 514 1 of 1 Page 1997 December 1 Issue Unused ...
Страница 1456: ...363 206 295 DLP 523 7 of 7 Page 1997 December 1 Issue OC 12 via Access Broadcast Video for Cross connections of Example 4 Figure ...
Страница 1465: ...DLP 525 363 206 295 1997 December 1 Issue 6 of 2 Page Schematic Ring Virtual ATM Sample 1 Figure ...
Страница 1469: ...DLP 525 363 206 295 1997 December 1 Issue 6 of 6 Page Ring Virtual ATM OC 12 DDM 2000 for Cross connections of Example 4 Figure ...
Страница 1565: ...363 206 295 DLP 543 6 of 5 Page 1997 December 1 Issue Network Broadcast Video of Test Transmission 2 Figure ...
Страница 1566: ...DLP 543 363 206 295 1997 December 1 Issue 6 of 6 Page Network Ring Virtual ATM of Test Transmission 3 Figure ...