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8-14
Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 8 Performance Monitoring
Pointer Justification Count Reference
Figure 8-9
Viewing pointer justification count parameters
There are positive (PPJC) and negative (NPJC) pointer justification count parameters. PPJC is a count
of path-detected (PPJC-Pdet) or path-generated (PPJC-Pgen) positive pointer justifications. NPJC is a
count of path-detected (NPJC-Pdet) or path-generated (NPJC-Pgen) negative pointer justifications
depending on the specific PM name.
A consistent pointer justification count indicates clock synchronization problems between nodes. A
difference between the counts means the node transmitting the original pointer justification has timing
variations with the node detecting and transmitting this count. Positive pointer adjustments occur when
the frame rate of the SPE is too slow in relation to the rate of the STS 1.
For pointer justification count definitions, depending on the cards in use, see the
Performance Monitoring Parameters” section on page 8-24
,
“OC-12 Card Performance Monitoring
Parameters” section on page 8-28
, or the
“OC-48 Card Performance Monitoring Parameters” section on
On CTC, the count fields for PPJC and NPJC PMs appear white and blank unless they are enabled on
the Provisioning > Line tabs.
shows the PJStsMon# menu on the Provisioning screen.
Pointer justification is only enabled for one STS at a time.
Provisioning tab
76168
Pointer
justification
counts
Card view
Содержание ONS 15327
Страница 22: ...Contents xxii Cisco ONS 15327 User Documentation June 2002 I N D E X ...
Страница 30: ...Figures xxviii Cisco ONS 15327 User Documentation June 2002 ...
Страница 44: ...Procedures xlii Cisco ONS 15454 Installation and Operations Guide R3 2 June 2002 ...
Страница 82: ...1 32 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 1 Hardware Installation Hardware Specifications ...
Страница 166: ...4 22 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 4 IP Networking ONS 15327 Routing Table ...
Страница 254: ...7 22 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 7 Card Provisioning Using Virtual Wires ...
Страница 408: ...13 26 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 13 Card Reference E10 100 4 Card ...
Страница 540: ...Glossary GL 16 Cisco ONS 15327 User Documentation R3 3 June 2002 ...