...................................................................................................................................................................................................................................

Overview

The procedure described below should be performed if the LED behavior described in

chapter 8, section

Procedure

Proceed as follows in the case of an XC protection test failure:

...................................................................................................................................................................................................

Check that both XC units are plugged correctly.

IF ...

the failure is not solved (same

behavior as before),

the failure is solved,

...................................................................................................................................................................................................

Replace the XC unit (worker).

IF ...

the failure is not solved,

the failure is solved,

...................................................................................................................................................................................................

Replace the XC unit (protection).

N D

O F

...................................................................................................................................................................................................

365-374-179R10.0

Issue 2, June 2009

"XC protection test" (p.

S T E P S

Alcatel-Lucent - Proprietary

See notice on first page

8-40), steps 17 and 18) cannot be observed.

THEN ...

proceed to Step 2.

END OF STEPS

THEN ...

proceed to Step 3.