Lucent Technologies Release 7 How to Replace the Tone-Clock Circuit Pack, SAKI

DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4 June 1999
Maintenance Object Repair Procedures
9-1726TDM-CLK (TDM Bus Clock)
9
4. For Port Networks with more than one Tone-Clock circuit pack,
interchange Tone-Clocks with the set tone-clock UUC, then run
test synchronization r 10, and check to see if new 2305 errors are
reported against the new ac tive Tone-Clock circuit pack. If not,
replace the standb y Tone-Clock circuit pack. See
How to Replace
the Tone-Clock Circuit Pack
in the TONE-BD section. If this clears
the error, the problem has been resolv ed.
5. Replace the EI circuit pac k for the active PNC. In the direct-connect
case, use the list fibers command to identify which active EI
connects with the PPN.
6. If the problem is still not cle ared, and the Tone-Clock circuit pack
reported in the error log has no t been replaced up to now, replace
it. See
How to Replace the Tone-Clock Circuit Pack in the TONE-BD
section.
System Technician-Demanded Tests:
Descriptions and Error Codes
Always investigate tests in the order p resented in the table below when
inspecting errors in the s ystem. By clearing error cod es associated with the
SAKI
Reset Test
for example, you may also clear errors g enerated from other tests in
the testing sequence.
Order of Investigation Short Test Sequence Long Test Sequence Reset Board Sequence D/ND1
SAKI Reset Test (#53) (a) X D
Clock Health Test (#46) (b) X X ND
Control Channel Looparound Test (#52)
(a) XX ND
Tone Generator Crosstalk Test (#90) (c) X ND
Tone Generator Transmission Test (#40)
(c) XX ND
Tone Generator Audit/Update Test (#41)
(c) XX ND
TDM Bus Clock Circuit Status Inquir y
Test (#148) XX ND
TDM Bus Clock Slip Inquiry Test
(#149)(e) XX ND
TDM Bus Clock PPM Inquiry Test (#150) X X ND