AT&T MERLIN LEGEND Reference page 108

Maintenance
(DSE)
Internal Loopback Test
The Internal (DSE)
Processor module and the 800 CO-BRI module. If the test fails, the 800 CO-BRI
module usually should be replaced.
Follow the screens and instructions below to run an Internal Loopback Test.
Screen Display
Step
1
s l o t :
E n t e r s l o t number (OO-17)
B a c k s p a c e
E x i t
2
slot xx:
M a k e a s e l e c t i o n
S t a t u s
Busy-Out
Restore
BchLoopback
Exit
3
B u s y - O u t S l o t x x :
D o y o u w a n t t o c o n t i n u e ?
Yes
C a n c e l
E x i t
4
Busy-Out Slot xx:
Busy-Out Complete
Exit
Loopback Test checks the communication path between the
At the Slot screen, enter the number of
the slot in which the 800 CO-BRI
module resides. Select Enter.
E n t e r
At the menu for that slot, select Busy-
I
o u t .
Demand
Test
Reset
Clock
At the Busy-Out Slot screen, select
Yes.
When the busy-out of the slot is
complete, the Busy-Out Complete
screen appears. Select Exit.
NOTE:
If the busy-out cannot be completed,
a screen showing "Busy-Out FAlLED"
appears. Repeat steps 2 through 4
until the slot can be busied-out.
Procedure
— — —
Demand Tests
6-5