user manual

ND-20292
CHAPTER 5
APRIL, 1990
El
No Dial Tone Access on SLT
-1
I
Check Memory Block 4C-1 for Correct MFR-EA and SLI-E()
assianments.
I
Go to Flow Chart C3
BotheCo ~ Ch$kkC;,i”b”,L$~e
Internal
V
Replace SLT and test
, I ,
Go to Flowchart C3
I
Repair SLT
Reset SLI-E() and test. If trouble persists,
THEN
Replace SLI-E( ), and test. If trouble persists
THEN
Reset MFR-E and test. If trouble persists
THEN
Replace MFR-E and test.
Go to Flow chart Al
Leave 1 SLI-E( ), 1 ESI-E( ), and 1 MFR-EA installed
500 -17