ND-20292

CHAPTER 5

APRIL, 1990

Call Dropping

NoYes

I Check tosee if all lines

dropatthesametimeI

Have Telco check the line

Check COI-E LED

 

 

 

1.

Perform

Second

Initialization;

 

 

 

 

 

if trouble

persists,

 

 

 

 

 

 

 

 

THEN

 

 

 

Have

Telco

check

2.

Replace

COI-E(

) ETU,

retest;

if

line

circuit(s)

 

 

trouble

persists

 

 

 

 

 

 

 

 

THEN

 

 

 

 

 

 

3.

Replace

TSW-E(

) and

Test

 

500 -11

Page 598
Image 598
NEC nd-20292 manual Call Dropping