ND-71548 (E) CHAPTER 6
Page 387
Issue 2
FAULT RECOVERY DURING TESTS
NAP-200-059
Sheet 1/2
Station to Station Connection Fault
START
Dial Tone (DT) is still heard after a digit is dialed (cannot break dial tone)
A specific RST card is involved
A specific LC card is involved
A specific UNIT card is involved
Entire System is involved
Reorder Tone (ROT) is heard after a station number is dialed.
Using MAT command “ANPD/ANPDL/ANPDN,” check “Necessary Number of Digits” data.
Using command “ASPA/ASPAL/ASPAN,” check “Special Number” data.
Using command “ASDT,” check “Station” data.
Using command “ATNR,” check “Tenant Restriction Class” data.
Ring Back Tone (RBT) is heard, but the bell at the called station remains silent.
Check whether the called station is assigned the correct LENS data in command “ASDT.”
When all the stations accommodated in a specific PIM do not ring, replace PWR circuit card
with a spare.
If the fault involves one or more lines within the same LC circuit card, replace LC card with a
spare.
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
A